WORLDBASE Player / Joueur CM Cogan, N
GameID: 0
376 games / 376 parties
2025.07.22 Titled Tue 22nd Jul Early
5412 Cogan, N (2062) Dumanuly, Sultanbeibarys (2212) 0-1
1. d4 g6 2. c4 Bg7 3. Nc3 c6 4. e4 d5 5. cxd5 cxd5 6. e5 Nc6 7. Be3 h5 8. Bd3 Nh6 9. Nge2 Bf5 10. O-O Bxd3 11. Qxd3 Nf5 12. a3 O-O 13. b4 a6 14. Rfd1 e6 15. Bd2 Rc8 16. Rac1 b5 17. Rc2 Qb6 18. Be3 Rc7 19. Nc1 Rfc8 20. Nb3 Nxe3 21. fxe3 Bxe5 22. Nc5 Bd6 23. Rf1 Bxc5 24. bxc5 Qb7 25. e4 b4 26. exd5 bxc3 27. dxc6 Qxc6 28. Rxc3 Qd5 29. Qc4 Rd7 30. Rd1 Rc6 31. Qa4 e5 32. Rcd3 e4 33. Rb3 Rxc5 34. Rb8+ Kg7 35. dxc5 Qxd1+ 36. Qxd1 Rxd1+ 37. Kf2 Rc1 38. Rb6 Rxc5 39. Rxa6 Rc2+ 40. Kf1 f5 41. a4 h4 42. h3 Kh6 43. a5 Kg5 44. Ra8 Kf4 45. a6 Ke3 46. Rb8 Rc1# 0-1
2025.07.22 Titled Tue 22nd Jul Early
5566 Sairam, Pranav (2014) Cogan, N (2062) 1-0
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bf5 6. Be2 e6 7. O-O Be7 8. d4 O-O 9. Be3 c6 10. c4 Qa5 11. Qb3 Qc7 12. Rac1 a5 13. a4 Na6 14. Rfd1 Rfd8 15. c5 Nb4 16. Ne5 Bf6 17. Bf4 Qe7 18. Bf3 h6 19. h3 Bh7 20. Qc4 Bg5 21. Bxg5 Qxg5 22. Re1 Bf5 23. g4 Bh7 24. Kg2 Qf4 25. Re3 f6 26. Qxe6+ Kh8 27. Nf7+ Kg8 28. Nxd8+ Kh8 29. Qe8+ Bg8 30. Nf7+ Kh7 31. Qxa8 Bxf7 32. Be4+ g6 33. Qf8 Bg8 34. Bxg6+ Kh8 35. Bf7 Qg5 36. Qxg8+ Qxg8 37. Bxg8 Kxg8 38. Re7 Nd5 39. Rxb7 f5 40. Re1 f4 41. Re8# 1-0
2025.05.20 ch-Africa 2025
77409 Cogan, N (2099) Mena, Martin (2044) 0-1
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 Nbd7 7. e3 c6 8. Bd3 O-O 9. Nge2 Re8 10. O-O Nf8 11. f3 g6 12. Rad1 b6 13. Kh1 Bb7 14. e4 Ne6 15. Bxf6 Bxf6 16. e5 Bg7 17. f4 f5 18. exf6 Qxf6 19. f5 gxf5 20. Bxf5 Qh6 21. Rd3 Ng5 22. Rg3 Bc8 23. Rf4 Rf8 24. Bxc8 Rxf4 25. Nxf4 Rxc8 26. Ncxd5 Rf8 27. Ne7+ Kh8 28. Rg4 Qd6 29. h4 Rxf4 30. Rxf4 Qxf4 31. hxg5 Qh4+ 32. Kg1 Qe1+ 33. Kh2 Qxe7 34. Qxc6 Bxd4 35. b3 Be5+ 36. Kh1 Qxg5 37. Qc8+ Kg7 38. Qd7+ Kh6 39. Qc6+ Qf6 40. Qc1+ Qf4 41. Qc6+ Bd6 42. Kg1 Qf6 43. Qc1+ Qg5 44. Qd1 Bc5+ 45. Kf1 Qe3 0-1
2025.05.19 ch-Africa 2025
77389 Abugenda, Nagi (1994) Cogan, N (2099) 0-1
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 b6 11. Be2 Bb7 12. O-O O-O 13. f3 f5 14. exf5 Rxf5 15. Bd3 Rh5 16. Ne2 Qc7 17. Ng3 Rh4 18. Rad1 Rf8 19. Be2 Qe5 20. f4 Nxf4 21. Bxf4 Rhxf4 22. Rxf4 Qxf4 23. Qxf4 Rxf4 24. Rxd7 Bd4+ 25. Kh1 Bc6 26. Rxe7 Rf2 27. Bf1 Rxb2 28. Re2 Rb1 29. Rd2 Be3 30. Re2 Bc5 31. Re6 Bd7 32. Rf6 Bf5 33. h4 Be7 34. Rc6 Bxh4 35. Ne2 Rxf1+ 36. Kh2 Bg5 37. Kg3 h5 38. Rc7 h4+ 39. Kh2 Bf4+ 40. Nxf4 Rxf4 41. Rxa7 Rxc4 0-1
2025.05.18 ch-Africa 2025
83926 Cogan, N (2099) Nadir, S (2069) 0-1
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Bf5 5. Nc3 f6 6. Bd2 Nc6 7. e4 dxe4 8. d5 Ne5 9. Qa4+ Kf7 10. f3 exf3 11. Nxf3 Nxf3+ 12. gxf3 g6 13. O-O-O Bh6 14. d6 exd6 15. Bc4+ Kg7 16. Qb4 Rc8 17. Bd3 Bxd3 18. Bxh6+ Nxh6 19. Rxd3 Nf5 20. Qxb7+ Rc7 21. Qb3 Qe7 22. Kb1 Rb7 23. Qa4 Rhb8 24. b3 Rc8 25. Qe4 Qc7 26. Rg1 Kf8 27. Qe6 Qc5 28. Qxf6+ Rf7 29. Qh8+ Ke7 30. Nd5+ Kd7 31. Nf6+ Rxf6 32. Qxh7+ Ne7 33. Re1 Re6 34. Red1 Qc2+ 35. Ka1 Qe2 36. Qh4 Rc2 37. Qa4+ Nc6 38. f4 Qxd3 0-1
2025.05.17 ch-Africa 2025
83907 Naipal, Hoolan (1844) Cogan, N (2099) 0-1
1. d4 Nf6 2. c4 e6 3. a3 b6 4. Nc3 Bb7 5. Bf4 d6 6. d5 e5 7. Bg5 h6 8. Bxf6 Qxf6 9. e4 g6 10. h4 h5 11. g3 Bh6 12. Bh3 O-O 13. Nge2 Bc8 14. Bxc8 Rxc8 15. Qd3 a5 16. O-O Na6 17. Qc2 Qf3 18. Rad1 Rf8 19. Rd3 Qf6 20. Kg2 Qe7 21. Rdd1 Kh7 22. Nc1 f5 23. Nd3 Nc5 24. Nxc5 bxc5 25. Rb1 f4 26. b4 axb4 27. axb4 cxb4 28. Rxb4 Qf6 29. Qb1 Rf7 30. Rb7 Ra3 31. Nb5 fxg3 32. f3 Qxh4 33. Rh1 Qf4 34. Rf1 Qd2+ 35. Kxg3 Bf4+ 0-1
2025.05.15 ch-Africa 2025
83887 Cogan, N (2099) Zebaze Dongmo Loic Dylane (1921) 1/2-1/2
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. cxd5 Nxd5 6. Bd2 O-O 7. Bd3 b6 8. e4 Nxc3 9. bxc3 Be7 10. Nf3 Bb7 11. O-O c5 12. Be3 Nd7 13. Qe2 Qc7 14. Rfd1 Rfd8 15. Rac1 Nf6 16. Bg5 h6 17. Bd2 Rac8 18. Bb1 Bc6 19. Re1 cxd4 20. cxd4 Qb7 21. Bd3 Qa8 22. Ba6 Bb7 23. Bxb7 Qxb7 24. Qd3 Rxc1 25. Bxc1 Bb4 26. Re2 Rc8 27. Bb2 Qc7 28. a3 Be7 29. Ne1 Qd7 30. Qb3 Qb7 31. f3 Qa6 32. Nd3 Qc4 33. Qxc4 Rxc4 34. Ne5 Rc7 35. Kf2 Kf8 36. Ke1 Bd6 37. f4 Bxe5 38. fxe5 Nd7 39. Kd2 b5 40. Bc3 Nb6 41. Kd3 Ke8 42. g4 Nc4 43. Ra2 Rd7 44. Ke2 a5 45. Ba1 b4 1/2-1/2
2025.05.14 ch-Africa 2025
83829 Abdin, Mahmoud (1993) Cogan, N (2099) 1-0
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 c6 5. Qb3 Qc8 6. cxd5 cxd5 7. Nc3 e6 8. O-O Be7 9. d3 O-O 10. Bf4 Nc6 11. Rac1 Qd7 12. e4 Bg6 13. Rfe1 Rfd8 14. exd5 exd5 15. Ne5 Nxe5 16. Bxe5 Ng4 17. Nxd5 Bf8 18. Bf4 Rac8 19. h3 Rxc1 20. Rxc1 Nf6 21. Nxf6+ gxf6 22. Rd1 Bc5 23. Qxb7 Qa4 24. Qb3 Qa5 25. d4 Bb6 26. Qc3 Qxa2 27. d5 Kg7 28. Bg5 Rd6 29. Bf4 Rd8 30. d6 h6 31. h4 Qa4 32. b3 Qa6 33. Qf3 Qb5 34. Rd5 Qb4 35. Bd2 Qa3 36. h5 Bh7 37. Qg4+ Kh8 38. Bxh6 Rg8 39. Qf3 Qa1+ 40. Kh2 Qb2 41. Bd2 Bd4 42. Rxd4 Qxd4 43. Bc3 Qxd6 44. Qxf6+ Qxf6 45. Bxf6+ Rg7 46. h6 1-0
2025.05.14 ch-Africa 2025
83848 Cogan, N (2099) Ahmed Moustafa, Fares (1968) 1-0
1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. e3 h6 5. Bh4 Be7 6. Bd3 O-O 7. Nbd2 b6 8. O-O c5 9. c3 Ba6 10. Bxa6 Nxa6 11. Ne5 Nb8 12. f4 Nfd7 13. Bxe7 Qxe7 14. Qh5 Nxe5 15. fxe5 Nd7 16. Rf3 f6 17. Qh4 Rae8 18. exf6 Nxf6 19. Raf1 e5 20. Rg3 Kh7 21. Rgf3 e4 22. R3f2 cxd4 23. cxd4 Rc8 24. Nb1 b5 25. Nc3 Qd7 26. a3 a5 27. Rf5 Rfd8 28. h3 b4 29. axb4 axb4 30. Ne2 Rc2 31. Ng3 Rxb2 32. Rxf6 gxf6 33. Nf5 Kg6 34. Qxh6+ Kf7 35. Nh4 Qe6 36. Qh7+ Ke8 37. Nf5 Qf7 38. Ng7+ Kd7 39. Qf5+ Kc6 40. Ne6 Rg8 41. Rc1+ Kb6 42. Nf4 Rd8 43. Rc5 Rb1+ 44. Kf2 Rb2+ 45. Ke1 Rd6 46. Qc8 Qd7 47. Qb8+ Ka6 48. Qa8+ Qa7 49. Ra5+ Kxa5 50. Qxa7+ Ra6 51. Qc5+ Ka4 52. Nxd5 Ka3 53. h4 f5 54. h5 Ra8 55. h6 Kb3 56. Qxb4+ Kc2 57. Qd2+ Kb3 58. Qc3+ Ka2 59. Nb4+ Ka1 60. Nc2+ Kb1 61. Na3+ Ka2 62. Nc2 Kb1 63. Kd1 Ra7 64. Nb4 Ka1 65. d5 Rb7 66. Nc2+ Kb1 67. d6 R7b3 68. Qxb3 Rxb3 69. h7 Rd3+ 70. Ke2 Kxc2 71. h8=Q Rd2+ 72. Ke1 Rxd6 73. Qc8+ Kd3 74. Qxf5 Kxe3 75. Qf2+ Kd3 76. Qd2+ 1-0
2025.05.13 ch-Africa 2025
83801 Cogan, N (2099) Bellahcene, B (2504) 0-1
1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 d6 5. Nbd2 g5 6. Bg3 Nh5 7. e3 Bg7 8. Bd3 Nd7 9. c3 Qe7 10. Qe2 a5 11. a4 b6 12. e4 Bb7 13. Nc4 O-O 14. O-O Rae8 15. Nfd2 Nxg3 16. hxg3 d5 17. exd5 Bxd5 18. Rfe1 c5 19. Ne3 Ba8 20. Nf5 Qf6 21. Nxg7 Kxg7 22. Ne4 Qe7 23. dxc5 bxc5 24. Bb5 Rd8 25. Rad1 Nf6 26. Nxf6 Qxf6 27. Qe3 Qf5 28. Bd3 Qd5 29. f3 Qd6 30. Kh2 Qc7 31. Be4 Bxe4 32. Qxe4 Rxd1 33. Rxd1 Rb8 34. Rd2 h5 35. Rd7 Qxd7 36. Qe5+ Kh7 37. Qxb8 f6 38. f4 gxf4 39. gxf4 Qxa4 40. Qc7+ Kg6 41. f5+ exf5 42. Qxc5 Qh4+ 43. Kg1 Qe1+ 44. Kh2 Qe5+ 45. Qxe5 fxe5 46. b4 axb4 47. cxb4 Kf6 0-1
2025.04.15 Titled Tue 15th Apr Early
117876 Cogan, N (2099) Manukian, Ar (2104) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nb6 6. Bg5 h6 7. Bh4 Bg7 8. e3 O-O 9. Nf3 Nc6 10. Be2 a5 11. O-O a4 12. Rc1 a3 13. b3 Nb4 14. Qd2 c6 15. Rfd1 N6d5 16. e4 Nxc3 17. Rxc3 Bg4 18. h3 Bxf3 19. Rxf3 Na6 20. b4 Nc7 21. Qc1 g5 22. Bg3 Nb5 23. Bxb5 cxb5 24. e5 Ra4 25. Qc5 Qd7 26. Rc1 Rd8 27. Rd3 e6 28. Kh2 Bf8 29. Qb6 Rxb4 30. Rc7 Qe8 31. Qxb7 Rbxd4 32. Rf3 R4d7 33. Qc6 Rxc7 34. Qxc7 Qd7 35. Qc2 b4 36. Qe4 Qd5 37. Qg4 Qxa2 38. h4 Qb1 39. hxg5 Qg6 40. Bh4 h5 41. Qf4 a2 42. Qc1 Ra8 43. Rf6 a1=Q 44. Rxg6+ fxg6 45. Qc2 Kf7 46. Qc7+ Be7 47. Qc4 Qxe5+ 48. Bg3 Qd5 49. Qf4+ Qf5 50. Qe3 Rc8 51. Be5 Rc4 52. Bg3 Rc3 53. Qa7 h4 54. Qb8 hxg3+ 55. fxg3 Rc5 56. Qh8 Qxg5 57. Qh7+ Ke8 58. Qh8+ Kd7 59. Qd4+ Qd5 60. Qf2 Rc7 61. Qf7 Rb7 62. Qf2 b3 63. Qf7 b2 64. g4 b1=Q 65. g5 Qbe4 66. Qxe7+ Kxe7 67. Kg3 Qxg2+ 68. Kh4 Qde4# 0-1
2025.04.15 Titled Tue 15th Apr Early
118015 Martinez, Shawn (1921) Cogan, N (2099) 1-0
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 Bf5 5. Bc4 c6 6. O-O e6 7. d4 Be7 8. Ne5 Nd7 9. Qf3 Nxe5 10. dxe5 Bxc2 11. Ne4 Bxe4 12. Qxe4 O-O 13. f4 g6 14. Kh1 Qa5 15. a3 b5 16. Bd3 Rfd8 17. g4 c5 18. f5 c4 19. Bc2 Bf8 20. Bg5 Rd7 21. fxe6 fxe6 22. Rf2 c3 23. b4 Bxb4 24. Raf1 Bxa3 25. h4 b4 26. h5 gxh5 27. gxh5 Nb6 28. Rg2 Rg7 29. Bb3 Nd5 30. Qg4 Qb6 31. Qf3 Rd8 32. Bxd8 Qxd8 33. Qf7+ Kh8 34. Qxg7# 1-0
2025.04.15 Titled Tue 15th Apr Early
118120 Cogan, N (2099) Hehir, Michael (2009) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 f6 13. exf6 Bxf6 14. Qd2 Bxg5 15. Qxg5 Qxg5 16. Nxg5 Ne3 17. Kf2 Nc2 18. Rac1 Nd4 19. Nce4 Rf8+ 20. Bf3 Na6 21. Nxc5 Nxc5 22. Rxc5 Bg4 23. Rd1 Nxf3 24. Nxf3 Rad8 25. Rc7 Rf7 26. Rxf7 Kxf7 27. Ne5+ 1-0
2025.02.25 Titled Tue 25th Feb Late
166103 Kepeschuk, M (2269) Cogan, N (2099) 1-0
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Nf3 Nc6 7. O-O Rb8 8. e3 Qe7 9. Qc2 dxc4 10. Nxc4 Rd8 11. a3 Bd6 12. e4 e5 13. dxe5 Nxe5 14. Nfxe5 Bxe5 15. Nxe5 Qxe5 16. Bf4 Qa5 17. Bxc7 Rd2 18. Qc1 1-0
2025.02.25 Titled Tue 25th Feb Late
166545 Aliyev, E (2079) Cogan, N (2099) 0-1
1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Nc3 c6 5. f3 Nh5 6. Be5 Nf6 7. g4 Bg6 8. h4 h5 9. g5 Ng8 10. Nh3 e6 11. Nf4 Ne7 12. Bd3 Bxd3 13. Qxd3 Qd7 14. g6 f6 15. Bxb8 Rxb8 16. O-O-O Nf5 17. e4 Bd6 18. Nce2 Ne7 19. c4 b5 20. exd5 exd5 21. c5 Bc7 22. Rde1 O-O 23. Nxh5 Qf5 24. Qxf5 Nxf5 25. Nhf4 Rfe8 26. h5 Bxf4+ 27. Nxf4 Nxd4 28. h6 Rxe1+ 29. Rxe1 gxh6 30. Re7 Nf5 31. Rxa7 Re8 32. Nh5 Re6 33. b3 Re7 34. Nxf6+ Kg7 35. Rxe7+ Nxe7 36. Ng4 Kxg6 37. a4 h5 38. Ne5+ Kf5 39. Nxc6 Nxc6 40. axb5 Na7 41. b6 Nc6 42. b7 Ke6 43. b4 Kd7 44. b5 Nb8 45. c6+ Kc7 46. Kd2 h4 47. Ke3 h3 48. Kf2 d4 49. f4 d3 50. f5 d2 51. f6 d1=Q 52. f7 Qc2+ 53. Kg3 Qg6+ 54. Kxh3 Qxf7 55. b6+ Kxb6 56. Kh4 Qc7 57. Kg5 Kxc6 58. Kh6 Kxb7 59. Kg6 Kc6 60. Kh5 Qd7 61. Kg5 Qd6 62. Kf5 Kd5 63. Kg4 Qe5 64. Kf3 Qe4+ 65. Kf2 Qd3 66. Kg2 Qe2+ 67. Kh1 Nc6 0-1
2025.02.25 Titled Tue 25th Feb Late
166631 Cogan, N (2099) Mrozowski, Patryk (2225) 0-1
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 bxc4 5. e4 d6 6. Bxc4 g6 7. b3 Bg7 8. Bb2 O-O 9. Ne2 Nbd7 10. Qc2 a5 11. a4 Ba6 12. O-O Bxc4 13. Nxc4 Rb8 14. Bc3 Ra8 15. f4 Qc7 16. Rad1 Rfb8 17. h3 Nh5 18. Be1 Qb7 19. Rf3 Nb6 20. Nxa5 Qa6 21. Nc6 Rb7 22. g4 Nf6 23. e5 Nfxd5 24. a5 Nc8 25. Rxd5 Qxc6 26. Rdd3 dxe5 27. fxe5 Bxe5 28. Bf2 Nd6 29. Qxc5 Qxc5 30. Bxc5 Rxa5 31. b4 Ra1+ 32. Rf1 Ra2 33. Ng3 Bxg3 34. Rxg3 Ne4 35. Rgf3 Nxc5 36. bxc5 f6 37. Re3 Rc2 38. Rxe7 Rxe7 39. Rd1 Rxc5 40. Rd8+ Kg7 41. Rd1 Re3 0-1
2025.02.25 Titled Tue 25th Feb Late
166848 Rees, I (2277) Cogan, N (2099) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. g3 O-O 8. Bg2 Nc6 9. Nxd4 d5 10. O-O Bd7 11. cxd5 exd5 12. b3 Re8 13. Bb2 Ne4 14. Qf4 Qb6 15. e3 Rad8 16. b4 a5 17. Nxc6 bxc6 18. Bd4 Qb5 19. Rfb1 Nd2 20. Qg5 g6 21. Qf6 Kf8 22. Qg7+ Ke7 23. Bc5+ Ke6 24. Bh3+ f5 25. Qxh7 Rg8 26. Qe7# 1-0
2025.02.25 Titled Tue 25th Feb Late
167151 Tang, Terrence (2057) Cogan, N (2099) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. f4 d6 5. Nf3 g6 6. Bd3 Bg7 7. O-O O-O 8. c4 dxe5 9. fxe5 Bg4 10. Be3 c5 11. dxc5 N6d7 12. Be4 Nc6 13. Bxc6 bxc6 14. Bf4 Nxc5 15. Nc3 Nd3 16. Qd2 Nxf4 17. Qxf4 Qb6+ 18. Kh1 Bxf3 19. Qxf3 Qxb2 20. Rab1 Qa3 21. Rb3 Qc5 22. Qe4 Bxe5 23. Na4 Qd6 24. Rd3 Qc7 25. h3 Rad8 26. Re3 Bf6 27. Qf3 c5 28. Rb1 Bd4 29. Re2 Rb8 30. Rbe1 e6 31. Nc3 Rb4 32. Ne4 Rxc4 33. Rf1 Bg7 34. Qd3 Rd4 35. Qe3 c4 36. Qc1 f5 37. Ng5 Re8 38. Nxe6 Qd7 39. Nxd4 Bxd4 40. Rxe8+ Qxe8 41. Qxc4+ Qf7 42. Qxd4 1-0
2025.02.25 Titled Tue 25th Feb Late
167258 Cogan, N (2099) Todorovic, Boj (2130) 0-1
1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. cxd5 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 f6 13. exf6 Bxf6 14. Bxf6 Qxf6 15. Qd2 Bf5 16. Nxb5 Nd7 17. O-O Rae8 18. h3 Ne3 19. Rf2 c4 20. Nc7 Re4 21. Rc1 Qb6 22. Ne6 Rc8 23. Nfd4 Ne5 24. Kh1 Nxd5 25. g4 Bxe6 26. Bxc4 Rxd4 27. Qh6 Rdxc4 28. Rcf1 Nf7 29. Rxf7 Bxf7 30. Rxf7 Kxf7 31. Qxh7+ Ke6 32. Qxg6+ Ke5 33. Qg5+ Kd6 34. Qg6+ Kc7 35. Qf7+ Kb8 36. Qf1 0-1
2025.02.25 Titled Tue 25th Feb Late
167484 Khoa, Goodwill (1876) Cogan, N (2099) 1-0
1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. d4 d5 5. Bg5 O-O 6. e3 h6 7. Bxf6 Qxf6 8. Bd3 c6 9. O-O Nd7 10. c5 Bxc3 11. bxc3 e5 12. e4 Re8 13. Re1 exd4 14. exd5 Ne5 15. cxd4 Nxf3+ 16. Qxf3 Rxe1+ 17. Rxe1 Bd7 18. dxc6 Qxf3 19. gxf3 bxc6 20. Re7 Rd8 21. Bc4 Be6 22. Bxe6 fxe6 23. Rxe6 Rxd4 24. Rxc6 Ra4 25. Rc7 Rxa2 26. c6 a5 27. Ra7 Rc2 28. Rxa5 Rxc6 29. Ra7 Rf6 30. Kg2 Kh7 31. Kg3 Kg6 32. f4 Kh5 33. Ra5+ Kg6 34. h4 h5 35. Rg5+ Kh6 36. f5 Ra6 37. f3 Ra4 38. Rg6+ Kh7 39. Re6 Ra5 40. Kf4 Kg8 41. f6 Kf7 42. fxg7 Kxg7 43. Re5 Ra4+ 44. Kg5 Ra3 45. Rf5 1-0
2025.02.25 Titled Tue 25th Feb Late
167592 Cogan, N (2099) Hubner, Jessica Trindade (1819) 1-0
1. d4 Nf6 2. c4 c6 3. Bg5 d5 4. Bxf6 exf6 5. cxd5 cxd5 6. Nc3 Be6 7. g3 Nc6 8. Bg2 Bb4 9. Rc1 O-O 10. e3 Qa5 11. Ne2 Bg4 12. f3 Be6 13. a3 Bd6 14. O-O a6 15. e4 Ne7 16. Qd3 Rac8 17. Kh1 dxe4 18. fxe4 Bc4 19. Qe3 Ng6 20. Rf5 Be6 21. Rxa5 1-0
2025.02.25 Titled Tue 25th Feb Late
167757 Stachanczyk, J (2129) Cogan, N (2099) 1-0
1. e4 Nf6 2. Nf3 Nxe4 3. Nc3 Nxc3 4. dxc3 d5 5. Bf4 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. h4 f6 10. Nxg6 hxg6 11. Bd3 f5 12. h5 Nc6 13. Qe2 Qe7 14. O-O-O e5 15. Bd2 e4 16. Bb5 f4 17. Bxf4 O-O-O 18. Bxc6 bxc6 19. Qa6+ Kb8 20. Be3 c5 21. Qb5+ Ka8 22. Qc6+ Kb8 23. Rxd5 1-0
2025.01.07 Titled Tue 7th Jan Late
224561 Cogan, N (2099) Rangel, D (2248) 0-1
1. d4 e6 2. c4 d5 3. Nc3 c6 4. Nf3 f5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Ne5 O-O 9. Be2 Nbd7 10. Nxd7 Bxd7 11. O-O b6 12. Rc1 Rac8 13. a3 Ne4 14. f3 Nxc3 15. Rxc3 Rcd8 16. Qd2 Be8 17. Rfc1 f4 18. c5 bxc5 19. Rxc5 fxe3 20. Qxe3 Bd7 21. Bd1 Qf4 22. Qf2 e5 23. dxe5 Qxe5 24. Ba4 Rb8 25. b4 Rb6 26. h3 Rf6 27. Qc2 Rg6 28. Kh1 Qg3 29. Rc3 Bxh3 30. gxh3 Rh6 31. Qg2 Rxh3+ 32. Kg1 Qh4 33. f4 Rxc3 34. Rxc3 Qxf4 35. Re3 Qxe3+ 0-1
2025.01.07 Titled Tue 7th Jan Late
224867 Cogan, N (2099) Marinakis, Hristos (2158) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nge2 Nf8 9. O-O Ne6 10. Bh4 O-O 11. f3 c5 12. Kh1 Bd7 13. Qc2 g6 14. Rad1 Rc8 15. Qd2 Re8 16. Bb1 cxd4 17. Nxd4 Nxd4 18. Qxd4 Rc4 19. Bxf6 Rxd4 20. Bxd4 Qa5 21. a3 Be6 22. Bd3 a6 23. Ra1 Qd8 24. b4 Bf6 25. Ne2 Bd7 26. Rac1 Bxd4 27. exd4 Re3 28. Rc3 Qf6 29. Rfc1 Kg7 30. Kg1 Bf5 31. Rd1 Bxd3 32. Rdxd3 Rxe2 33. Kf1 Qe6 34. Rc1 Ra2 35. h4 Qe2+ 36. Kg1 Qxg2# 0-1
2024.09.24 Titled Tue 24th Sep Late
353640 Cogan, N (2112) Kalavannan, Koby (2193) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qa5 13. O-O Nxe5 14. Nxe5 Bxe5 15. Bc4 a6 16. d6 Bd4+ 17. Kh1 Be6 18. Bxe6 Rxe6 19. Qf3 f6 20. Qd5 fxg5 21. Qxe6+ Kh8 22. Qe8+ Kg7 23. Qf8# 1-0
2024.09.24 Titled Tue 24th Sep Late
354000 Cogan, N (2112) Shandrygin, Nikita (2209) 1/2-1/2
1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 Nf6 8. Qb3 O-O 9. Qxd5 Nxd5 10. Bd3 Nb6 11. Ne2 Be6 12. O-O Bc4 13. Nc1 e4 14. Bxc4 Nxc4 15. Nb3 b6 16. f3 f5 17. Rae1 a5 18. a4 Ne7 19. Rc1 Nd5 20. Rfe1 Rae8 21. f4 Kf7 22. Rc2 Ke6 23. Bc1 Ne7 24. Nd2 Kd5 25. Nxc4 Kxc4 26. Ba3 Rf7 27. Bxe7 Rfxe7 28. Rb1 Rd7 29. Kf2 Rd5 30. Ke2 Rb8 31. Kd2 c6 32. Ra2 h6 33. Kc2 g5 34. g3 Rd7 35. Rab2 Rdb7 36. fxg5 hxg5 37. Rf1 Rf7 38. Rfb1 b5 39. axb5 Rxb5 40. Rxb5 cxb5 41. Ra1 a4 42. Rb1 Rb7 43. Rb4+ Kd5 44. c4+ Kc6 45. cxb5+ Rxb5 46. Rxa4 Kd5 47. h4 gxh4 48. gxh4 Rb8 49. Ra5+ Ke6 50. Re5+ Kf6 51. Rc5 Rh8 52. Rc6+ Kf7 53. Rc5 Kg6 54. Rc6+ Kh5 55. d5 Kxh4 56. Kc3 Kg5 57. Kd4 Rh1 58. Ke5 Re1 59. Rc3 Kg4 60. d6 Rd1 61. Ke6 Kf3 62. d7 f4 63. exf4+ Kxf4 64. Ke7 e3 65. Rxe3 Kxe3 66. d8=Q Rxd8 67. Kxd8 1/2-1/2
2024.09.24 Titled Tue 24th Sep Late
354091 Xiong, Jeffery (2646) Cogan, N (2112) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. e3 h6 7. Bh4 dxc4 8. Bxc4 c5 9. O-O Nbd7 10. a3 Bxc3 11. bxc3 Qc7 12. Bd3 b6 13. e4 Bb7 14. Bg3 Qc6 15. Nd2 Rac8 16. Qe2 Rfd8 17. Bb5 1-0
2024.09.22 45th Olympiad 2024
357839 Khalema, Sechaba (1779) Cogan, N (2112) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxc6 Bxc3+ 8. bxc3 Bxc6 9. Qb4 dxc4 10. Qxc4 Ne4 11. Be3 O-O 12. f3 Bd5 13. Qd3 Nd6 14. g3 c5 15. Bg2 cxd4 16. cxd4 Rc8 17. O-O Qa5 18. Bf4 Bc4 19. Qd1 Nb5 20. Rf2 Rfd8 21. e3 f6 22. g4 e5 23. Bg3 exd4 24. exd4 Nxd4 25. Qb1 Qc3 26. Qe1 Ne2+ 27. Kh1 Nxg3+ 28. hxg3 Qxe1+ 29. Rxe1 Kf7 30. Kg1 b5 31. Rb2 a5 32. Bf1 Bxf1 33. Kxf1 b4 34. g5 Rc3 35. gxf6 Rxf3+ 36. Kg2 Rxf6 37. Re5 Ra8 38. a3 Rb6 39. axb4 axb4 40. Rb3 Ra2+ 41. Kh3 Ra8 42. g4 Kf6 43. Re4 Rab8 44. Kh4 h6 45. Kh5 Rb5+ 46. Kh4 R8b6 47. Rf3+ Kg6 48. Rb3 h5 49. Rf4 hxg4 50. Kxg4 Rg5+ 51. Kf3 Rf5 52. Kg4 Rxf4+ 53. Kxf4 Kf6 54. Ke4 g5 55. Rf3+ Kg6 56. Rb3 Rb5 57. Kd4 g4 58. Rg3 Kg5 59. Kc4 Rb8 60. Kb3 Kf4 61. Rg1 g3 62. Rf1+ Kg4 63. Rd1 g2 64. Kc2 Kg3 0-1
2024.09.21 45th Olympiad 2024
357411 Cogan, N (2112) Rakotomaharo, Fy Antenaina (2440) 0-1
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Bf5 7. e3 Nbd7 8. Bd3 Bxd3 9. Qxd3 Be7 10. O-O O-O 11. Rab1 Ne4 12. Bf4 Nd6 13. Ne5 Nb6 14. h3 Re8 15. b3 Bf8 16. Bh2 Qg5 17. Rbe1 Rad8 18. Bf4 Qh5 19. Qd1 Qf5 20. Qd3 Rxe5 21. Qxf5 Rxf5 22. g4 Rxf4 23. exf4 g6 24. f3 Bg7 25. Rd1 Nd7 26. a4 Re8 27. Kf2 Bf6 28. Rd3 Nf8 29. Rc1 Ne6 30. Ne2 Bh4+ 31. Kf1 Kf8 32. Rc2 Ke7 33. Re3 Kd7 34. Rec3 h6 35. Kg2 f5 36. Rc1 Rf8 37. Rh1 Bd8 38. Kg3 Bc7 39. Rf1 Nc8 40. Kg2 Nxf4+ 41. Nxf4 Bxf4 42. Rd3 Nd6 43. Kf2 Re8 44. Rg1 Re6 45. Rh1 Bg5 46. Rb1 Bh4+ 47. Kf1 a5 48. Ra1 f4 49. Rad1 Nf7 50. Rb1 Bg3 51. b4 axb4 52. Rdb3 Nd6 53. Rxb4 Kc8 54. a5 Nb5 55. R4b3 Re7 56. Rc1 Kb8 57. Rd3 Ka7 58. Ra1 Ka6 59. h4 Bxh4 0-1
2024.09.20 45th Olympiad 2024
357086 Asante Debesai Zerabruk (1908) Cogan, N (2112) 0-1
1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Qc7 5. O-O Nd4 6. Bc4 e6 7. Re1 Ng4 8. g3 Nxf3+ 9. Qxf3 Ne5 10. Qe2 a6 11. a4 b6 12. Ba2 Be7 13. d3 Bb7 14. Nd1 h5 15. f4 Nc6 16. c3 h4 17. g4 h3 18. Be3 Bd6 19. Qf2 g5 20. e5 Bxe5 21. fxe5 Nxe5 22. Qf6 Rh4 23. Nf2 Nxg4 24. Bxg5 Qxh2+ 25. Kf1 Nxf6 0-1
2024.09.19 45th Olympiad 2024
356749 AH KYE, Benitot (1815) Cogan, N (2112) 0-1
1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Bd7 10. Bb3 Rc8 11. O-O-O Ne5 12. Kb1 a5 13. h4 h5 14. g4 b5 15. a3 Nc4 16. Bxc4 bxc4 17. a4 Rb8 18. Ndb5 Bxb5 19. Nxb5 c3 20. Nxc3 hxg4 21. h5 Nxh5 22. Rxh5 gxh5 23. Bh6 e6 24. fxg4 hxg4 25. Rg1 Qb6 26. Qc1 Bxh6 27. Rxg4+ Kh7 28. Rh4 Qxb2+ 29. Qxb2 Rxb2+ 30. Kxb2 Kg6 31. Nb5 Bg7+ 32. Kb3 Kg5 33. Rh7 Be5 34. Kc4 f5 35. exf5 exf5 36. Rd7 f4 37. Nxd6 Bxd6 38. Rxd6 f3 39. Rd1 Kg4 40. Kb5 Rf5+ 41. Kb6 f2 42. Rf1 Kf3 43. c4 Ke2 44. Rxf2+ Kxf2 45. c5 Ke3 46. Kxa5 Kd4 47. Kb6 Kd5 48. a5 Rf6+ 49. Kb7 Kxc5 50. a6 Rf7+ 0-1
2024.09.18 45th Olympiad 2024
356342 Cogan, N (2112) Khan, Taffin (2066) 1-0
1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. a3 Bxd2+ 5. Qxd2 f5 6. Nc3 Nf6 7. e3 b6 8. Bd3 Bb7 9. f3 O-O 10. Nge2 Qe7 11. O-O c5 12. d5 Kh8 13. e4 d6 14. Nf4 fxe4 15. fxe4 Bc8 16. h3 e5 17. Nfe2 Na6 18. Ng3 g6 19. Rf3 Bd7 20. Raf1 Ng8 21. Bc2 Nc7 22. Ba4 Rxf3 23. Rxf3 Kg7 24. Bxd7 Qxd7 25. Qf2 Qe7 26. Nd1 Rf8 27. Ne3 Rxf3 28. Qxf3 Nh6 29. Ng4 Nf7 30. Qb3 h5 31. Nf2 Na8 32. Qb5 Qc7 33. Qe8 Qd8 34. Qc6 Kf8 35. Nd1 Qb8 36. Qd7 Qc7 37. Qe6 Kg7 38. Ne3 Nh6 39. Qe8 h4 40. Ngf1 Qb7 41. Qd8 Nf7 42. Qxh4 Qd7 43. g4 Qd8 44. Qxd8 Nxd8 45. h4 Nf7 46. Kf2 Nc7 47. Nd2 Ne8 48. Nb1 Nf6 49. Nc3 Kf8 50. Kf3 Ke7 51. Na4 Nd7 52. g5 Kd8 53. Kg4 Kc7 54. h5 Nf8 55. Nc3 Kd7 56. Na4 Kc7 57. Nc3 Kd7 58. Nf1 Kc7 59. Nd2 Kd7 60. Nf3 Nh8 61. Nh4 Ke7 62. Na4 Kf7 63. Nxb6 gxh5+ 64. Kxh5 Nhg6 65. Nxg6 Nxg6 66. Nc8 1-0
2024.09.16 45th Olympiad 2024
368152 Cogan, N (2112) Cabralis, K (2169) 0-1
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. e3 h6 7. Bxf6 Qxf6 8. Bd3 c5 9. Ne2 c4 10. Bc2 O-O 11. O-O Rd8 12. Nf4 Bxc3 13. bxc3 Nc6 14. Rb1 Rb8 15. a4 Ne7 16. f3 Nf5 17. Qd2 Qg5 18. Rf2 Nh4 19. e4 dxe4 20. fxe4 a6 21. Rb6 Qa5 22. Rb4 b5 23. g3 Ng6 24. Nxg6 fxg6 25. Qf4 Qb6 26. Qf7+ Kh7 27. e5 Qe6 28. Be4 Qg4 29. Bf3 Qg5 30. Qf4 Qe7 31. Be4 Qe6 32. h4 Bb7 33. axb5 Rf8 34. Qe3 Rxf2 35. Kxf2 Qh3 36. Bxb7 Rxb7 37. Kg1 axb5 38. Rb1 Ra7 39. Qf2 Ra3 40. Rc1 b4 41. h5 b3 42. Re1 Ra2 43. hxg6+ Kxg6 44. Qf3 b2 45. e6 Ra1 46. Qe4+ Qf5 47. e7 Qxe4 0-1
2024.09.15 45th Olympiad 2024
367805 Laohawirapap, Prin (2380) Cogan, N (2112) 1-0
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 Qa5 11. Qd2 d6 12. Be2 Bd7 13. O-O Nc5 14. Bf3 Bc6 15. Bd4 Bxd4 16. Qxd4 O-O 17. Qe3 Nd7 18. Be2 Qb6 19. Qxb6 Nxb6 20. f4 Na4 21. Nxa4 Bxa4 22. Kf2 Rac8 23. Ke3 Rc7 24. g4 Rfc8 25. h4 Bd7 26. Rcd1 a6 27. h5 Kg7 28. Rh1 f6 29. Rh2 g5 30. fxg5 fxg5 31. h6+ Kf6 32. Rf2+ Ke6 33. Rf5 Rg8 34. Rdd5 Rg6 35. Rxg5 Rxh6 36. Rh5 Rxh5 37. Rxh5 Be8 38. Rxh7 Bg6 39. Rh8 Ke5 40. Bd3 Bf7 41. b3 e6 42. Rh7 Rd7 43. g5 Be8 44. g6 Kf6 45. e5+ dxe5 46. Rxd7 Bxd7 47. Be4 Bc6 48. Bxc6 bxc6 49. Ke4 Kxg6 50. Kxe5 Kf7 51. Kd6 Kf6 52. Kxc6 e5 53. Kd5 Kf5 54. c5 1-0
2024.09.14 45th Olympiad 2024
367511 Cogan, N (2112) Nompavos, Lesly 1-0
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nf6 6. Nc3 Bg7 7. h3 a6 8. a4 O-O 9. Bc4 c6 10. O-O e6 11. Bg5 h6 12. Bh4 Qd7 13. Qd2 b6 14. e5 Nh7 15. Ne4 f6 16. exf6 Rf7 17. Ne5 Qc7 18. Nxf7 Qxf7 19. fxg7 Qxg7 20. Ra3 Ra7 21. Qf4 Rb7 22. Nf6+ Nxf6 23. Bxf6 Rf7 24. Qxb8 Rxf6 25. Qxc8+ Rf8 26. Qxe6+ Kh7 27. Rg3 g5 28. h4 b5 29. Bd3+ Kh8 30. hxg5 h5 31. Rh3 Qxg5 32. f4 Rxf4 33. Rxf4 Qxf4 34. Rxh5+ Kg7 35. Rh7+ Kf8 36. Rh8+ 1-0
2024.09.13 45th Olympiad 2024
367050 Karsten, Jan (2311) Cogan, N (2112) 1/2-1/2
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 h5 6. h3 g6 7. Nxc6 bxc6 8. e5 Nh7 9. Bc4 Bg7 10. Qe2 O-O 11. O-O Rb8 12. Bf4 d5 13. exd6 exd6 14. Bb3 Rb4 15. Bd2 Rb7 16. Rad1 d5 17. Rfe1 Ng5 18. Bf4 Ne6 19. Be5 Qg5 20. Qd2 Qxd2 21. Rxd2 Bxe5 22. Rxe5 Nc5 23. f3 Be6 24. Na4 Nxa4 25. Bxa4 Rxb2 26. Bxc6 Rc8 27. Bxd5 Bxd5 28. Rexd5 Rcxc2 29. Rxc2 Rxc2 30. Ra5 Rc7 31. h4 Kg7 32. Ra6 Re7 33. Kf2 Kf8 34. Kg3 Kg7 35. Kf4 Kh6 36. a4 Kg7 37. a5 Kh6 38. Rc6 Kg7 39. g4 hxg4 40. fxg4 Rb7 41. h5 Rb4+ 42. Kf3 gxh5 43. gxh5 Rh4 44. Ra6 Rxh5 45. Rxa7 Rh4 46. Ra6 Ra4 47. Ke3 f6 48. Kd3 Kg6 49. Kc3 Kg5 50. Ra8 f5 51. a6 Kg4 52. Rg8+ Kf3 53. Rg6 f4 54. Kb3 Ra1 55. Rc6 Kg3 1/2-1/2
2024.09.12 45th Olympiad 2024
366783 Celis, J (1929) Cogan, N (2112) 1-0
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Qb6 7. Nb5 Qa5+ 8. Bd2 Qd8 9. Bc3 Nf6 10. Nd2 d6 11. Be2 O-O 12. g4 a6 13. Nd4 Qb6 14. Nxc6 bxc6 15. Bf3 e5 16. g5 Nd7 17. Nb3 a5 18. Qxd6 a4 19. c5 Qd8 20. Nd2 Qxg5 21. Qxc6 Ra6 22. Qd5 Qe7 23. Bb4 Nb8 24. Be2 Be6 25. Qd3 Nc6 26. Qxa6 Nxb4 27. Qxa4 Qxc5 28. O-O Bh3 29. Qb3 Bxf1 30. Nxf1 Nc6 31. Qc4 Qd6 32. Rd1 Nd4 33. Ng3 h5 34. Qd3 Rd8 35. Kh1 Qf6 36. Qe3 Kh7 37. f3 Bh6 38. Qf2 Rc8 39. Bd3 Rb8 40. b3 Ra8 41. Bb1 Rc8 42. Ne2 Nxe2 43. Qxe2 Rc3 44. Bd3 Qh4 45. b4 Bf8 46. b5 Bc5 47. a4 Ra3 48. Bc2 Qf4 49. Rf1 Bd4 50. Bd1 Kg7 51. Qc2 Rc3 52. Qe2 Ra3 53. Qg2 Rd3 54. a5 Rd2 55. Qg3 Qe3 56. f4 Qxe4+ 57. Qf3 1-0
2024.09.11 45th Olympiad 2024
366245 Cogan, N (2112) Dragnev, Valentin (2556) 0-1
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. a4 Nc6 7. Nc3 e5 8. dxe5 dxe5 9. Be3 Bf5 10. Bc5 Re8 11. Nd2 e4 12. Nc4 Nd7 13. Be3 Be6 14. Nd2 f5 15. f3 Nde5 16. Kh1 exf3 17. exf3 Qe7 18. Qe2 Rad8 19. Qf2 b6 20. h3 Na5 21. Rad1 Qb4 22. f4 Nec4 23. Nxc4 Nxc4 24. Nd5 Bxd5 25. Rxd5 Nxb2 26. Rb1 Qxa4 27. g4 Qa2 28. Qf1 Rxd5 29. Ra1 Rxe3 30. Rxa2 Rd1 31. Qxd1 Nxd1 32. Rxa7 Re1+ 33. Kh2 Re2 0-1
2024.08.06 Titled Tue 6th Aug Early
423773 Vovk, Or (2315) Cogan, N (2112) 1-0
1. g4 d5 2. h3 e5 3. Bg2 Be6 4. d4 e4 5. c4 c6 6. Qb3 Qd7 7. Nc3 Bd6 8. cxd5 cxd5 9. Bxe4 dxe4 10. d5 Bxg4 11. hxg4 Na6 12. Nxe4 Nc5 13. Nxd6+ Qxd6 14. Qb5+ Nd7 15. Nf3 Nf6 16. g5 Nxd5 17. Bd2 Rc8 18. Rd1 a6 19. Qd3 Nc5 20. Qd4 Ne6 21. Qh4 Rc2 22. Bc3 Qc6 23. Be5 Qb5 24. Qe4 Rc5 25. Nd4 Qb4+ 26. Kf1 Ne7 27. a3 Qb6 28. b4 1-0
2024.08.06 Titled Tue 6th Aug Early
424171 Uber Gracia, Hugo (2312) Cogan, N (2112) 1/2-1/2
1. d4 Nf6 2. Nf3 d5 3. e3 Bf5 4. c3 e6 5. Bd3 Bd6 6. O-O O-O 7. Qc2 Bg6 8. Bxg6 hxg6 9. Nbd2 c5 10. dxc5 Bxc5 11. e4 Nbd7 12. exd5 Nxd5 13. Ne4 Bb6 14. Rd1 N7f6 15. Bg5 Qc7 16. Rac1 Rac8 17. c4 Nxe4 18. Qxe4 Nf6 19. Qh4 Qc5 20. Bxf6 gxf6 21. Qxf6 Qxf2+ 22. Kh1 Rc5 23. Rf1 Qe3 24. Rce1 Qh6 25. Ne5 Bc7 26. g3 Qg7 27. Qxg7+ Kxg7 28. Nd7 Rxc4 29. Nxf8 Kxf8 30. Rxe6 Rc2 31. Ree1 Rxb2 32. Rc1 Bb6 33. Rb1 Rxa2 34. Rbd1 Rc2 35. Rd7 f6 36. Rxb7 f5 37. Rb8+ Kf7 38. Rb7+ Kf6 39. Rh7 Rb2 40. g4 a5 41. gxf5 gxf5 42. Rh5 Ke5 43. Rhxf5+ Kd4 44. R5f4+ Kc3 45. R4f3+ Kb4 46. Rf4+ Kb3 47. R1f3+ Ka2 48. Rf1 Ka3 49. h4 Bc7 50. R4f3+ Ka2 51. R3f2 a4 52. Rxb2+ Kxb2 53. h5 Be5 54. h6 a3 55. h7 a2 56. Rf2+ Kb1 57. Rf1+ Kb2 58. Rf2+ Kb3 59. Rf1 a1=Q 60. Rxa1 Bxa1 61. Kg2 Bh8 62. Kf3 Kc4 63. Kg4 Kd5 64. Kf5 Kd6 65. Kg6 Ke7 66. Kg5 Kf8 67. Kg4 Kg7 68. Kf3 Kg6 69. Kg2 Kh6 70. Kf1 Bg7 71. Kg1 Bh8 72. Kh1 Kxh7 1/2-1/2
2024.08.06 Titled Tue 6th Aug Early
424305 Cogan, N (2112) Corredor Castellanos, Camilo (1974) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 Nf8 9. Nge2 Ne6 10. Bh4 g6 11. O-O Ng7 12. f3 O-O 13. Kh1 Re8 14. e4 dxe4 15. fxe4 Ng4 16. Bxe7 Qxe7 17. Qd2 Qh4 18. Qf4 Qe7 19. h3 Nh5 20. Qf3 Ngf6 21. e5 Nd5 22. Nxd5 cxd5 23. Qxd5 Bd7 24. Qf3 Rad8 25. Be4 b6 26. Nc3 Ng7 27. Nd5 Qe6 28. Nf6+ Kf8 29. Nxh7+ Kg8 30. Nf6+ Kf8 31. Nxe8 Kxe8 32. d5 Qxe5 33. Qxf7# 1-0
2024.08.06 Titled Tue 6th Aug Early
424566 Cogan, N (2112) Voitovich, V (2319) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 c5 6. d5 exd5 7. cxd5 d6 8. a3 Ba5 9. Bd2 Bf5 10. Ng3 Bg6 11. Bc4 Nbd7 12. O-O Ne5 13. Be2 Re8 14. f4 Nd3 15. f5 Nxb2 16. Qb3 Bxc3 17. Bxc3 Rxe3 18. Qxb2 Nxd5 19. Bxg7 c4 20. fxg6 c3 21. gxf7+ Kxg7 22. Qxb7 Nf6 23. Nf5+ Kh8 24. Nxe3 1-0
2024.08.06 Titled Tue 6th Aug Early
425066 Injac, Teodora (2411) Cogan, N (2112) 0-1
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. cxd5 exd5 5. Nc3 Bb4 6. a3 Bd6 7. Bg5 c6 8. e3 h6 9. Bh4 Bg4 10. Qb3 b6 11. Ne5 Bf5 12. Be2 O-O 13. O-O g5 14. Bg3 Qe7 15. Rac1 Rc8 16. f4 g4 17. Bh4 h5 18. Qd1 Qe6 19. Bd3 Nbd7 20. Ne2 Bxd3 21. Qxd3 Ne4 22. Nxc6 Ndf6 23. Ne5 a6 24. f5 Qe8 25. Nf4 b5 26. Nxd5 Bxe5 27. dxe5 Qxe5 28. Nxf6+ Nxf6 29. Qd4 Qxd4 30. exd4 Ne4 31. Rfe1 Re8 32. d5 Ra7 33. Re3 Raa8 34. Rce1 Nd6 35. Rxe8+ Rxe8 36. Rxe8+ Nxe8 37. Be7 f6 38. Kf2 Kf7 39. Bc5 Ng7 40. Ke3 Nxf5+ 41. Ke4 Ng7 42. Bb6 Ke8 43. d6 Kd7 44. Kd5 Nf5 45. Bc5 h4 46. Bb4 h3 47. gxh3 gxh3 48. b3 Nh4 49. Bd2 Nf3 50. Bf4 f5 51. a4 Ne1 52. axb5 axb5 53. Kc5 Nd3+ 54. Kxb5 Nxf4 55. Kc5 Nd3+ 56. Kd4 Ne1 57. Ke3 Kxd6 58. Kf2 Nd3+ 59. Kg3 Ke5 60. Kxh3 Ke4 61. Kg3 Ke3 62. Kg2 Ke2 63. Kg3 f4+ 64. Kg4 f3 65. h4 f2 66. h5 f1=Q 67. h6 0-1
2024.08.06 Titled Tue 6th Aug Early
425187 Cogan, N (2112) Ahmad, Khagan (2388) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd3 h6 9. Bh4 Ne8 10. Bxe7 Qxe7 11. Nge2 Nd6 12. O-O Nd7 13. Rae1 Nf6 14. Ng3 h5 15. Nf5 Bxf5 16. Bxf5 Nxf5 17. Qxf5 g6 18. Qd3 Kg7 19. Rc1 h4 20. h3 a5 21. a3 Ne8 22. e4 dxe4 23. Nxe4 Nf6 24. Nc5 Nd5 25. Rfe1 Qg5 26. Qf3 Qf4 27. Qxf4 Nxf4 28. Re7 Rfe8 29. Rce1 Rxe7 30. Rxe7 b6 31. Ne4 Rd8 32. Rb7 Rxd4 33. Nc3 b5 34. g3 hxg3 35. fxg3 Nxh3+ 36. Kg2 Ng5 37. Nxb5 cxb5 38. Rxb5 Rd2+ 39. Kf1 Ne4 40. Rxa5 0-1
2024.08.06 Titled Tue 6th Aug Early
425402 Melaa, Sondre (2315) Cogan, N (2112) 1-0
1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Bd3 Bxd3 5. cxd3 e6 6. Qb3 b6 7. Nc3 c6 8. Nf3 Bd6 9. Bxd6 Qxd6 10. O-O Nbd7 11. Rac1 O-O 12. e4 dxe4 13. dxe4 e5 14. Rfd1 exd4 15. Nxd4 Ng4 16. g3 Qh6 17. h4 Nde5 18. Nf5 Qe6 19. Ne2 Qxb3 20. axb3 Rfd8 21. f4 Rxd1+ 22. Rxd1 Ne3 23. Nxe3 1-0
2024.08.06 Titled Tue 6th Aug Early
425742 Cogan, N (2112) D'Arruda, R (2271) 0-1
1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nd2 Nc5 5. b4 Ne6 6. a3 a5 7. b5 d6 8. Bb2 dxe5 9. Bxe5 Nd7 10. Bc3 Be7 11. Ngf3 Bf6 12. Qc2 O-O 13. e3 Ndc5 14. Be2 b6 15. Bxf6 Qxf6 16. O-O Bb7 17. Rfd1 Rad8 18. Nf1 Be4 19. Qa2 a4 20. Rxd8 Rxd8 21. Rd1 Rxd1 22. Bxd1 Qc3 23. N1d2 Bd3 24. Nf1 Qc1 25. Qd2 Qxa3 26. Ne1 Bxc4 27. Ng3 Bxb5 28. Nf5 g6 29. Ne7+ Kf8 30. Nd5 Nd3 31. Nc2 Qc1 32. Qxc1 Nxc1 33. Nc3 Bd7 34. Kf1 b5 35. Ke1 c5 36. Kd2 Nb3+ 37. Kd3 b4 38. Nb1 Bb5+ 39. Ke4 Bc6+ 40. Kd3 Na5 0-1
2024.08.06 Titled Tue 6th Aug Early
425966 Bynum, Jacorey (2090) Cogan, N (2112) 1-0
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 Nc6 6. Nf3 Bf5 7. O-O e6 8. d3 Be7 9. Bf4 O-O 10. Re1 h6 11. a4 Bf6 12. a5 Nd7 13. d4 Nb4 14. Ne4 Bxe4 15. Rxe4 Nd5 16. Bg3 c6 17. c3 a6 18. Bc2 Re8 19. Re1 Nf8 20. Qd3 Rc8 21. b4 Ng6 22. Qd2 Nf8 23. Ne5 Nd7 24. Nc4 Nf8 25. Nd6 Qd7 26. Nxe8 Qxe8 27. c4 Ne7 28. d5 cxd5 29. cxd5 Nxd5 30. Rad1 Bc3 31. Qxd5 exd5 32. Rxe8 Rxe8 33. h3 Bxb4 34. Rxd5 Ne6 35. Bf5 Rd8 36. Bxe6 Rxd5 37. Bxd5 Bxa5 38. Bxb7 Bc3 39. Bxa6 Ba1 40. Bc4 Bf6 41. Kf1 g6 42. Ke2 Kg7 43. Kf3 Be7 44. Ke4 Bd8 45. Kd5 Kg8 46. Kd6 Bb6 47. Kd7 Bc5 48. Ke8 Bd4 49. Bxf7+ Kg7 50. f3 Bf6 51. Bd6 Bd4 52. Bf8+ Kh8 53. Bxg6 h5 54. Bxh5 Be5 55. g4 Bf4 56. g5 Bxg5 57. Kf7 Bf4 58. Bg7+ Kh7 59. Bg6# 1-0
2024.08.06 Titled Tue 6th Aug Early
426255 Cogan, N (2112) Meduri, Aakaash (2049) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c6 7. Bd3 Bg4 8. O-O Nbd7 9. Be3 e5 10. fxe5 dxe5 11. d5 cxd5 12. cxd5 Ne8 13. h3 Bxf3 14. Qxf3 Nd6 15. Qg3 f5 16. Bg5 Qb6+ 17. Kh1 f4 18. Qf2 Rae8 19. Bh4 Qa5 20. a3 a6 21. b4 Qc7 22. Rac1 Qb8 23. Na4 h6 24. Nc5 Rf7 25. Qe2 g5 26. Bf2 Nf6 27. Rc2 h5 28. Rfc1 g4 29. Ne6 Rxe6 30. dxe6 Re7 31. Bc5 b6 32. Bxd6 Qxd6 33. Bc4 Qd4 34. Bd3 f3 35. gxf3 g3 36. h4 Bh6 37. Rg1 Bf4 38. Rc8+ Kg7 39. Bxa6 Rxe6 40. Rc7+ Kg6 41. Bb5 Rd6 42. Rc2 Ng8 43. Be8+ Kg7 44. Rc7+ Kf8 45. Bxh5 Nf6 46. Rf7+ Kg8 47. Qc2 Nxh5 48. Rf5 Ng7 49. Qc8+ Rd8 0-1
2024.08.06 Titled Tue 6th Aug Early
426330 Cogan, N (2112) Nathan, Krishna (2010) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 e5 6. fxe5 dxe5 7. d5 O-O 8. Nf3 Nbd7 9. Bd3 Nc5 10. Bc2 Qe7 11. O-O a5 12. Kh1 Ne8 13. Be3 b6 14. Qd2 f5 15. Bg5 Nf6 16. exf5 gxf5 17. Rae1 e4 18. Nh4 h6 19. Ng6 Qf7 20. Nxf8 hxg5 21. Ne6 Bxe6 22. dxe6 Nxe6 23. Rxf5 Rd8 24. Qe2 Nd4 25. Qf2 Nxf5 26. Qxf5 Re8 27. Nxe4 Nxe4 28. Bxe4 Qxf5 0-1
2024.08.06 Titled Tue 6th Aug Late
426714 Cogan, N (2112) Korneev, S (2193) 0-1
1. d4 e6 2. c4 d5 3. cxd5 exd5 4. Nc3 Be7 5. Qc2 c6 6. f3 Nf6 7. Bg5 h6 8. Bh4 Nbd7 9. e3 c5 10. Bd3 c4 11. Bf5 Nb6 12. Nge2 O-O 13. O-O Re8 14. Kh1 Bd7 15. Rad1 Qc8 16. Bxd7 Qxd7 17. e4 dxe4 18. fxe4 Ng4 19. Bxe7 Ne3 20. Qc1 Nxd1 21. Bc5 Nxc3 22. Nxc3 Na4 23. Nxa4 Qxa4 24. Qf4 Qd7 25. e5 b6 26. Bd6 Qe6 27. h3 Rad8 28. Rf3 Rd7 29. Rg3 Kh7 30. Kh2 g6 31. Rf3 Kg7 32. Rf1 f5 33. Qf3 Rxd6 34. exd6 Qxd6+ 35. Kh1 Re7 36. Rd1 Rd7 37. d5 b5 38. Qc3+ Qf6 39. Qd2 Rd6 40. a3 g5 41. Qe3 Rd7 42. Qc5 a6 43. d6 Qe6 44. Rd5 Kf6 45. Qd4+ Kf7 46. Qd2 Kg6 47. Qd4 Qf6 48. Qd2 h5 49. Rd4 Qe6 50. Rd5 h4 51. Qd4 Qf6 52. Qd2 Kf7 53. Rd4 Ke6 54. Qe2+ Kf7 55. Qd2 f4 56. Rd5 Ke8 57. Qe2+ Kd8 58. Qd2 Kc8 59. a4 Kb7 60. axb5 Qe6 61. bxa6+ Ka8 62. Rxg5 f3 63. gxf3 Qxh3+ 64. Kg1 Qe6 65. Qg2 Rxd6 66. Rg8+ Ka7 67. f4 Rd1+ 68. Kh2 Rd5 0-1
2024.08.06 Titled Tue 6th Aug Late
426881 Cogan, N (2112) Warchol, Kamil (2191) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 O-O 8. Qd2 b6 9. Bc4 Bb7 10. f3 Nd7 11. Ne2 c5 12. d5 Ne5 13. b3 a6 14. a4 Qd7 15. f4 Nxc4 16. bxc4 b5 17. Bxg7 Kxg7 18. axb5 axb5 19. Rxa8 Rxa8 20. O-O bxc4 21. Qc3+ Kg8 22. Qxc4 Ba6 23. Qc2 Qb5 24. Re1 Rb8 25. Nc1 c4 26. e5 Qxd5 27. Rd1 Qc5+ 28. Kh1 Qb4 29. Ne2 Qb2 30. Nd4 Qxc2 31. Nxc2 c3 32. Kg1 Rb2 33. Rc1 Bb7 34. Kf2 Be4 0-1
2024.08.06 Titled Tue 6th Aug Late
427261 Manon Og, R (1936) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. O-O O-O 8. h3 Bf5 9. Bg5 h6 10. Bh4 g5 11. Bg3 d5 12. Nbd2 Na6 13. c4 c5 14. cxd5 Nxd5 15. Nc4 b5 16. Ne3 Nxe3 17. fxe3 c4 18. Bc2 Bxc2 19. Qxc2 Nb4 20. Qe4 Qd5 21. Qf5 e6 22. Qg4 Nc2 23. Rae1 Nxe1 24. Bxe1 f6 25. exf6 Rxf6 26. Bg3 Qf5 27. Qh5 Qg6 28. Qg4 Qd3 29. e4 b4 30. h4 c3 31. bxc3 bxc3 32. hxg5 hxg5 33. Qxg5 Qxe4 34. Be5 Rg6 35. Qe7 Bxe5 36. dxe5 Rf8 37. Nh4 Qd4+ 38. Kh2 Rxf1 39. Qe8+ Kg7 40. Qxg6+ Kf8 41. Qh6+ Ke8 42. Ng6 1-0
2024.08.06 Titled Tue 6th Aug Late
427607 Cogan, N (2112) Hirneise, J (2299) 1-0
1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. Nc3 c5 5. e4 cxd4 6. Qxd4 Qxd4 7. Nxd4 a6 8. Bxc4 b5 9. Bb3 Bb7 10. f3 Nd7 11. O-O Bc5 12. Be3 Ne7 13. Rfd1 Nc6 14. Kf2 Ke7 15. Rac1 Rac8 16. Nd5+ exd5 17. Nf5+ Kf6 18. Bxc5 Nxc5 19. Rxc5 Ne7 20. Rxc8 Rxc8 21. Nxe7 Kxe7 22. exd5 Kd6 23. Rd2 a5 24. Ke3 a4 25. Bc2 g6 26. a3 f5 27. Bd3 Rc5 28. Be2 Bxd5 29. h4 Kc7 30. Rd4 Bb3 31. Bd3 h6 32. Rb4 Kb6 33. Rd4 Kc7 34. Rb4 Kb6 35. g4 fxg4 36. fxg4 g5 37. Rd4 gxh4 38. Rd6+ Rc6 39. Rd8 Re6+ 40. Kf4 Bc4 41. Be4 Kc5 42. Rd2 h3 43. Rf2 Rf6+ 44. Bf5 Bd5 45. Kg3 Bg2 46. Rc2+ Kd4 47. Kh4 Ke3 48. Kg3 Rd6 49. Rc3+ Kd4 50. Rc1 Ke5 51. Re1+ Kf6 52. Be4 Kg7 53. Bxg2 Rf6 54. Bxh3 Rc6 55. Re7+ Kf6 56. Re2 Rc4 57. Bg2 Rd4 58. Be4 Rd1 59. Bf5 Rg1+ 60. Kf2 Rc1 61. Re6+ Kg5 62. Rb6 Kf4 63. Rxb5 Rd1 64. Rb4+ Kg5 65. Ke2 Rd2+ 66. Kxd2 h5 67. Rxa4 h4 68. b3 h3 69. Ra8 h2 70. Rh8 Kf4 71. Rxh2 Kg3 72. Re2 Kf4 73. b4 Kg5 74. b5 Kf6 75. b6 Kg5 76. b7 Kf4 77. b8=Q+ Kg5 78. Qg8+ Kh4 79. Qc4 Kg3 80. Qd3+ Kh4 81. Qf3 Kg5 82. Rh2 Kf6 83. Qf4 Kg7 84. Rh6 Kf7 85. Qc7+ Kf8 86. Rh8# 1-0
2024.08.06 Titled Tue 6th Aug Late
427659 Fieberg, Samuel (2186) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 Nc6 12. Qd1 d5 13. c5 Nc8 14. Bb5 e6 15. Bxc6 bxc6 16. b4 Rb8 17. Rb1 Ne7 18. O-O Nf5 19. a4 a6 20. Qd3 Nxe3 21. fxe3 Qg5 22. Rf3 e5 23. dxe5 Bxe5 24. Ne2 Ra8 25. Nd4 Bxd4 26. exd4 Rfe8 27. Rbf1 f5 28. Qb3 Qd2 29. Rd3 Qe2 30. b5 axb5 31. axb5 Ra2 32. Rg3 cxb5 33. Qxd5+ Kg7 34. Qxf5 Qe7 35. c6 Rc2 36. Qxc2 b4 37. d5 1-0
2024.07.30 Titled Tue 30th Jul Early
434463 Zulkipli, Z (2198) Cogan, N (2112) 1-0
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Nc6 5. cxd5 exd5 6. Bg2 Be7 7. O-O O-O 8. Nc3 a6 9. Ne5 Be6 10. Nxc6 bxc6 11. Na4 Rb8 12. Bg5 Bd6 13. Rc1 h6 14. Bxf6 Qxf6 15. b3 Bd7 16. Nc5 Qe7 17. e3 Rb5 18. Nd3 a5 19. Re1 Ba3 20. Rc2 Bb4 21. Nxb4 axb4 22. Qd2 Qd6 23. Rec1 Ra8 24. Rc5 Ra6 25. Rxb5 cxb5 26. Bf1 c6 27. Bd3 Ra8 28. Kg2 Re8 29. Rc5 Qe6 30. Qxb4 Qh3+ 31. Kg1 Bg4 32. Rxc6 Qh5 33. Rc1 Bf3 34. Qxb5 Re4 35. Rc8+ Kh7 36. Qb8 Qh3 37. Rh8+ Kg6 38. Qd6+ f6 39. Bf1 Qe6 40. Qxe6 Rxe6 41. Bg2 Bxg2 42. Kxg2 Rc6 43. Rd8 Rc2 44. a4 Rb2 45. Rb8 Kf5 46. Kf3 g5 47. g4+ Ke6 48. Rb6+ Ke7 49. b4 Kf7 50. a5 Ke7 51. a6 Ra2 52. b5 1-0
2024.07.30 Titled Tue 30th Jul Early
434675 Cogan, N (2112) Khayrullin, D (2359) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e4 Nxe4 5. Qb3 c5 6. Bd3 f5 7. Bxe4 fxe4 8. dxc5 Nc6 9. Ne2 O-O 10. O-O Qh4 11. Be3 d6 12. cxd6 Bxd6 13. Ng3 Ne5 14. Ncxe4 Ng4 15. h3 Nxe3 16. Qxe3 Bf4 17. Qe2 e5 18. Rfb1 b6 19. Rd1 Bb7 20. Rd3 Rad8 21. Rad1 Rxd3 22. Rxd3 Rd8 23. b3 Qe7 24. Qd1 Rxd3 25. Qxd3 g6 26. Ne2 Bh6 27. N2c3 Bg7 28. Nd5 Qe6 29. Nc7 Qc8 30. Nd5 1-0
2024.07.30 Titled Tue 30th Jul Early
435095 Dragomirescu, R (2347) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. Nf3 g6 6. Nc3 Bg7 7. exd6 cxd6 8. Be2 O-O 9. Be3 Nc6 10. Qd2 Bg4 11. b3 d5 12. c5 Nc8 13. h3 Bxf3 14. Bxf3 e6 15. Ne2 N8e7 16. g4 b6 17. Rc1 bxc5 18. Rxc5 Rc8 19. O-O Qb6 20. Rfc1 Nb4 21. Nf4 Na6 22. Rxc8 Rxc8 23. Be2 Nb4 24. Rxc8+ Nxc8 25. Nd3 Nc6 26. Nc5 Nd6 27. Kg2 Nb5 28. Nd7 Qb7 29. Bxb5 Qxb5 30. Qc3 h6 31. a4 Qb7 32. Nc5 Qb4 33. Qxb4 Nxb4 34. Kf3 Nc2 35. a5 Nxd4+ 36. Kg2 Kf8 37. b4 Ke7 38. Kf1 Nc6 39. Na6 Bc3 40. Bc5+ 1-0
2024.07.30 Titled Tue 30th Jul Early
435424 Cogan, N (2112) Novikova, Galina (2073) 0-1
1. d4 e6 2. c4 d5 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. Bd2 Nf6 7. Ne5 Qxd4 8. Nf3 Qd8 9. Qc2 O-O 10. g3 Nbd7 11. Bg2 Nc5 12. Rd1 Qa5 13. Ra1 Nb3 14. Ra2 Nxd2 15. Nxd2 Bxc3 16. bxc3 e5 17. Nxc4 Qc5 18. Ne3 Be6 19. Rb2 Nd5 20. Nxd5 Bxd5 21. O-O Bxg2 22. Kxg2 b6 23. Rd1 Rfd8 24. Rbb1 h6 25. Qe4 Rd5 26. c4 Rd4 27. Rxd4 exd4 28. Rd1 Rd8 29. e3 Qxc4 30. Rxd4 Rxd4 31. exd4 Qd5 32. Qxd5 cxd5 33. Kf3 Kf8 34. Ke3 Ke7 35. Kd3 Kd6 36. Kc3 a6 37. Kb4 Kc6 38. a5 b5 39. Kc3 Kd6 40. h3 h5 41. f4 Ke6 42. Kb4 Kf5 43. Kc5 Ke4 44. g4 h4 45. f5 f6 46. Kb6 b4 47. Kxa6 b3 48. Ka7 b2 49. a6 b1=Q 50. Ka8 Kxd4 51. g5 fxg5 52. f6 gxf6 53. a7 Qa2 54. Kb8 Qxa7+ 55. Kxa7 Ke3 0-1
2024.07.30 Titled Tue 30th Jul Early
435732 Darmanin, Jake (2119) Cogan, N (2112) 0-1
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 c6 5. Nf3 Bf5 6. O-O e6 7. Re1 Be7 8. Bb3 O-O 9. Qe2 a5 10. a4 Na6 11. d4 Nab4 12. Ne4 Qc7 13. g3 Bg4 14. c3 Na6 15. Bc2 h6 16. Qd3 Bf5 17. Kg2 Kh8 18. Ne5 Rad8 19. g4 Bh7 20. Qg3 f6 21. Nf3 Qxg3+ 22. hxg3 Rfe8 23. Bd2 c5 24. dxc5 Nxc5 25. Nxc5 Bxc5 26. Bxh7 Kxh7 27. Rad1 e5 28. Nh4 Ne7 29. Bc1 Kg8 30. Kf1 Kf7 31. Ng2 Nd5 32. Rd3 Nb6 33. Rxd8 Rxd8 34. b3 Rd3 35. Bb2 Nd5 36. c4 Rd2 37. Re2 Rd1+ 38. Ne1 Nb4 39. Kg2 b6 40. Bc3 Rb1 41. Bxb4 Bxb4 42. Nd3 Rxb3 43. Re3 Rc3 44. Kf3 Rxc4 45. Kg2 Rc3 46. Kf3 Ke6 47. Kg2 Kd5 48. Kf1 Kc4 49. Ne1 Rxe3 50. fxe3 Bxe1 51. Kxe1 Kb4 52. Kf2 Kxa4 53. g5 Kb4 54. gxf6 gxf6 55. Kf3 a4 56. Ke4 a3 57. Kf5 a2 58. Kxf6 a1=Q 59. e4 Qc3 0-1
2024.07.30 Titled Tue 30th Jul Early
435887 Cogan, N (2112) Kubicka, Anna (2334) 1/2-1/2
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 a6 10. a4 Bg4 11. O-O Re8 12. h3 Bxf3 13. Bxf3 Nbd7 14. Re1 c4 15. Be3 b5 16. axb5 axb5 17. Rxa8 Qxa8 18. Nxb5 Qb8 19. Nxd6 Qxd6 20. e5 Nxe5 21. fxe5 Rxe5 22. Bf2 Rxe1+ 23. Bxe1 Nd7 24. Bc3 Bxc3 25. bxc3 Qc5+ 26. Kf1 Qe3 27. Qe1 Qxe1+ 28. Kxe1 Kf8 29. Ke2 Ke7 30. Ke3 Kd6 31. Kd4 Nb6 32. Be2 Nxd5 33. Bxc4 Nf4 34. Bxf7 Nxg2 35. c4 g5 36. c5+ Kc7 37. Ke5 h6 38. Kf6 Nf4 39. Be6 Kc6 40. Bg4 Kxc5 41. Kg7 h5 42. Bxh5 Nxh3 43. Kh6 Kd4 44. Bg4 Ke5 45. Bxh3 Kf4 46. Be6 g4 47. Bxg4 1/2-1/2
2024.07.30 Titled Tue 30th Jul Early
436138 Piesik, P (2415) Cogan, N (2112) 1-0
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O h6 5. c4 e6 6. cxd5 exd5 7. d3 c6 8. Qb3 Qb6 9. Qc2 Bd6 10. Nc3 O-O 11. e4 dxe4 12. dxe4 Bh7 13. Be3 Qa6 14. h3 Nbd7 15. Rad1 Bc5 16. Nd4 Rfe8 17. Rfe1 Ne5 18. f4 Nc4 19. Bf2 Rad8 20. Qb3 Na5 21. Qc2 Nc4 22. Qe2 b5 23. e5 b4 24. Na4 Qxa4 25. Qxc4 Bxd4 26. Rxd4 Rxd4 27. Bxd4 Nd5 28. b3 Qxa2 29. Qxc6 Nc7 30. Qxc7 Qd2 31. Bf2 Rd8 32. Qxa7 Bc2 33. Qe3 Qxe3 34. Rxe3 Rd1+ 35. Be1 Rb1 36. Bd5 Bxb3 37. Bxb3 1-0
2024.07.30 Titled Tue 30th Jul Early
436379 Ferriz Barrios, A (2102) Cogan, N (2112) 0-1
1. d4 Nf6 2. Nf3 d5 3. Nc3 Bf5 4. Bf4 c6 5. Ne5 Nbd7 6. Qd2 Nxe5 7. dxe5 Ne4 8. Nxe4 Bxe4 9. f3 Bg6 10. O-O-O Qb6 11. h4 h5 12. Be3 Qa6 13. Kb1 e6 14. Bd4 b5 15. Qc3 b4 16. Qb3 c5 17. e4 c4 18. Qe3 Qc6 19. exd5 exd5 20. g4 Be7 21. Bg2 O-O 22. f4 hxg4 23. h5 Bf5 24. h6 g6 25. e6 f6 26. h7+ Kh8 27. Bxd5 Qc8 28. Qg3 Rb8 29. Qh4 b3 30. Rc1 bxc2+ 31. Ka1 Qd8 32. Bxa7 Qxd5 33. Bxb8 Rxb8 34. Qf2 c3 35. bxc3 Ba3 36. Rxc2 Bxc2 37. Qxc2 Bb2+ 38. Qxb2 Rxb2 39. Kxb2 Qxe6 40. Rc1 Qb6+ 41. Ka1 Kxh7 42. c4 Qc5 43. Kb2 Kg7 44. Rc3 g3 45. Kb3 g2 46. Rg3 g1=Q 47. Rxg1 Qxg1 0-1
2024.07.30 Titled Tue 30th Jul Early
436572 Cogan, N (2112) Sriram, S1 (2138) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 Re8 6. a3 Bf8 7. Ng3 b6 8. Be2 Bb7 9. Bf3 c6 10. e4 d5 11. cxd5 cxd5 12. e5 Nfd7 13. O-O Nc6 14. Be2 Rc8 15. f4 Nxd4 16. Kh1 Nxe2 17. Ncxe2 g6 18. Nd4 Bg7 19. Be3 Nc5 20. Qg4 Ba6 21. Rfd1 f6 22. b4 fxe5 23. fxe5 Na4 24. Bg5 Qd7 25. Bf6 Nc3 26. Re1 Rc4 27. h4 Nb5 28. Rad1 Nxd4 29. Rxd4 Rxd4 30. Qxd4 Rc8 1-0
2024.07.30 Titled Tue 30th Jul Early
436955 Gyenes, Mate (2205) Cogan, N (2112) 1-0
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 c6 5. O-O e6 6. cxd5 exd5 7. d4 h6 8. Nc3 Be7 9. Re1 O-O 10. Ne5 Nbd7 11. Nxd7 Qxd7 12. Bf4 Bd6 13. Bxd6 Qxd6 14. e3 a5 15. Qd2 Rfe8 16. Na4 Nd7 17. Rac1 Qe6 18. Nc5 Nxc5 19. Rxc5 b6 20. Rc3 Red8 21. Rec1 Rd6 22. Rb3 b5 23. Rbc3 Re8 24. Rc5 a4 25. Qc3 Rc8 26. b4 h5 27. h4 f6 28. Bf1 Kh7 29. Bxb5 g5 30. hxg5 fxg5 31. Bd3 h4 32. Bxf5+ Qxf5 33. Qc2 Qxc2 34. R1xc2 hxg3 35. fxg3 Rb8 36. Rxc6 Rxc6 37. Rxc6 Rxb4 38. Rc5 Rb1+ 39. Kf2 Rb2+ 40. Kf3 Rxa2 41. Rxd5 Kg6 42. Ra5 a3 43. Ke4 Ra1 44. d5 a2 45. Ra6+ Kf7 46. Ke5 Re1 47. Rxa2 Rxe3+ 48. Kf5 Rxg3 49. Ra7+ Ke8 50. Ke6 Re3+ 51. Kd6 g4 52. Rg7 g3 53. Rg4 Rf3 54. Re4+ Kd8 55. Rg4 Ke8 56. Kc5 Kd7 57. Rg7+ Ke8 58. Kd6 Rf6+ 59. Ke5 Rf3 60. Ke4 Ra3 61. d6 Ra4+ 62. Kd5 Ra5+ 63. Ke6 Kf8 64. Rxg3 Ra4 65. Rf3+ Ke8 66. d7+ Kd8 67. Rf8+ Kc7 68. d8=Q+ 1-0
2024.07.30 Titled Tue 30th Jul Early
437157 Myagmarsuren, Evsuld (2064) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. Nf3 d6 5. exd6 cxd6 6. Bd3 g6 7. O-O Bg7 8. c3 O-O 9. Nbd2 Nc6 10. a4 Bg4 11. h3 Bxf3 12. Nxf3 a6 13. Qb3 Na5 14. Qa2 Rc8 15. Re1 Qd7 16. b4 Nc6 17. a5 Na8 18. Bg5 d5 19. b5 axb5 20. Bxb5 e6 21. Ne5 Qd6 22. a6 bxa6 23. Bxc6 Bxe5 24. Bxa8 Bh2+ 25. Kh1 Rxa8 26. Qd2 Qc7 27. g3 Bxg3 28. fxg3 Qxg3 29. Qe3 Qxe3 30. Rxe3 f6 31. Bh6 Rfe8 32. Bf4 Ra7 33. Bd6 a5 34. Bc5 Ra6 35. Re2 a4 36. Rea2 Rea8 37. Bb4 Kf7 38. Kg2 e5 39. dxe5 fxe5 40. Rf1+ Ke6 41. Raf2 Kd7 42. Rf7+ Kc6 43. Rxh7 a3 44. Ra1 a2 45. Re7 e4 46. Re6+ Kb5 47. Re5 Kc4 48. Rg5 Kb3 49. Rxd5 Kb2 50. Rdd1 Rf6 51. Bc5 Rf3 52. Bd4 Kc2 53. c4 Kb3 54. c5 Kc4 55. c6 Rf7 56. Be5 Re7 57. Bg3 e3 58. c7 e2 59. Rdc1+ Kb3 60. c8=Q Rxc8 61. Rxc8 Kb2 62. Rcc1 Re3 63. Bf2 Re6 64. Bd4+ Kb3 65. Rc3+ Kb4 66. Re3 Rd6 67. Bc3+ Kc4 68. Rxa2 Rd3 69. Rxd3 Kxd3 70. Be1 Ke3 71. Ra3+ Ke4 72. Kf2 g5 73. Kxe2 g4 74. Rg3 Kf5 75. hxg4+ Kf6 76. Bd2 Kg6 77. g5 Kg7 78. Rh3 Kg6 79. Rh6+ Kg7 80. Kf3 Kg8 81. Kg4 Kg7 82. Kf5 Kg8 83. Kf6 Kf8 84. Rh8# 1-0
2024.07.30 Titled Tue 30th Jul Late
437931 Ozalp, B (2127) Cogan, N (2112) 0-1
1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. Nce2 Nfd7 5. f4 c5 6. Nf3 e6 7. g3 b6 8. Bg2 Bb7 9. O-O Nc6 10. d3 Be7 11. Nd2 O-O 12. Ne4 f6 13. exf6 Nxf6 14. Nxf6+ Bxf6 15. a3 Qd7 16. Kh1 Ne7 17. Ng1 Bxg2+ 18. Kxg2 e5 19. Nf3 Nc6 20. b4 c4 21. fxe5 Nxe5 22. Bf4 Ng4 23. h3 Ne3+ 24. Bxe3 dxe3 25. d4 Rae8 26. Qe2 b5 27. c3 Re7 28. a4 a6 29. axb5 axb5 30. g4 h6 31. Ra6 Qd5 32. Kg3 Qe4 33. Re1 Bg5 34. Nxg5 hxg5 35. Ra2 Rf2 36. Qxf2 exf2 37. Rxe4 f1=N+ 38. Kf3 Nh2+ 39. Ke3 Nf1+ 40. Kf2 Rxe4 41. Kxf1 Re3 42. Rc2 Rxh3 43. Ke2 Rg3 44. d5 Kf7 45. Ra2 Rxc3 46. Ra7+ Kf6 47. Ra6+ Ke5 48. d6 Rd3 49. Rb6 Rxd6 50. Rxb5+ Rd5 51. Rxd5+ Kxd5 52. Kd2 Kc6 53. Kc3 Kb5 54. Kb2 Kxb4 55. Kc2 c3 56. Kc1 Kc4 57. Kc2 Kd4 58. Kd1 Ke3 59. Kc2 Kf3 0-1
2024.07.30 Titled Tue 30th Jul Late
438011 Melaa, Sondre (2315) Cogan, N (2112) 1-0
1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Bd3 Bxd3 5. cxd3 e6 6. Qb3 b6 7. Nc3 Bd6 8. Bxd6 Qxd6 9. Rc1 c6 10. Nf3 Nbd7 11. O-O O-O 12. e4 dxe4 13. dxe4 e5 14. Rfd1 exd4 15. Nxd4 Ng4 16. Nf3 Qe7 17. h3 Nge5 18. Nd4 Rac8 19. Nf5 Qe6 20. f4 Ng6 21. Qxe6 fxe6 22. Rxd7 exf5 23. g3 fxe4 24. Nxe4 c5 25. Rxa7 Rf7 26. Rxf7 Kxf7 27. Nd6+ 1-0
2024.07.30 Titled Tue 30th Jul Late
438361 Cogan, N (2112) Wael Sabry, Mina (2045) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Nbd7 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O Ndxe5 14. Nxe5 Nxe5 15. Qd2 Bf5 16. d6 c4+ 17. Kh1 Nd3 18. Be7 Rfe8 19. Bxd3 Bxd3 20. Rf2 Bf8 21. Qf4 f5 22. Nd5 Qc5 23. Nf6+ Kf7 24. Nxe8 Rxe8 25. d7 Qxe7 26. dxe8=Q+ Qxe8 27. Rd1 Qd7 28. Rf3 Qe6 29. Qd2 Bd6 30. Rxd3 cxd3 31. Qxd3 Bc7 32. Qd5 Kf6 33. Qxe6+ Kxe6 34. Kg1 Bb6+ 35. Kf1 Bc7 36. h3 Be5 37. b3 f4 38. Ke2 g5 39. Kf3 h5 40. Rd8 Kf5 41. Rf8+ Bf6 42. Rg8 g4+ 43. hxg4+ hxg4+ 44. Rxg4 Be5 45. Rg8 Ke6 46. Rb8 Bxb8 0-1
2024.07.30 Titled Tue 30th Jul Late
438478 Cogan, N (2112) Veiga, Jose Francisco R P Neves (2385) 0-1
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. Bxe5 Bxd2+ 10. Qxd2 Qxe5 11. e3 O-O 12. Be2 d6 13. O-O Bf5 14. Rfd1 a5 15. Bf3 Be4 16. Bxe4 Qxe4 17. Qd4 Rfe8 18. Qc3 Qc6 19. Rd5 Re4 20. Rd4 Rae8 21. Rad1 a4 22. Qb4 h6 23. Qc3 Qc5 24. h3 Qh5 25. Qc2 Qg6 26. Rxe4 Rxe4 27. Qxa4 Qe6 28. b3 Kh7 29. Qa7 Qc8 30. Rd4 Re5 31. b4 b6 32. Qa6 Qxa6 0-1
2024.07.30 Titled Tue 30th Jul Late
438697 Joubert, Dantelle (1740) Cogan, N (2112) 0-1
1. d4 Nf6 2. c4 e6 3. Bf4 Bb4+ 4. Nd2 d5 5. e3 O-O 6. Bd3 c5 7. Ne2 Nc6 8. dxc5 Bxc5 9. O-O d4 10. Nb3 b6 11. exd4 Be7 12. a3 Bb7 13. Ng3 Kh8 14. Bc2 Rc8 15. Qd3 g6 16. Rad1 Qd7 17. Rfe1 Ba6 18. Bb1 Nd8 19. Nd2 Nb7 20. Rc1 Rfd8 21. Nf3 Kg8 22. Red1 Nd6 23. Bxd6 Qxd6 24. b4 Qf4 25. b5 Bb7 26. Ne5 Ng4 27. f3 Nxe5 0-1
2024.07.30 Titled Tue 30th Jul Late
438968 Hrebenshchykova, Yelyzaveta (2301) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. exd6 cxd6 8. h3 O-O 9. Be2 Bf5 10. O-O Nc6 11. Be3 d5 12. b3 h6 13. Rc1 g5 14. Qd2 e6 15. c5 Nc8 16. Ne1 e5 17. dxe5 d4 18. Nb5 dxe3 19. Qxe3 Nxe5 20. f4 Ng6 21. fxg5 a6 22. gxh6 Bf6 23. Rxf5 axb5 24. Rd1 Qe7 25. Qf2 Bg5 26. Kh1 Rxa2 27. h7+ Kxh7 28. Nf3 Rxe2 29. Nxg5+ Qxg5 30. Qf3 Qe3 31. Qh5+ Qh6 32. Qf3 Nce7 33. Rh5 Re6 34. Rxh6+ Kxh6 35. Qxb7 Nc6 36. Qxb5 Rfe8 37. Kh2 Nce5 38. Rd6 R6e7 39. c6 Rc7 40. Qc5 Rec8 41. Qxe5 Rxc6 42. Qf4+ Kg7 43. Qd4+ Kh7 44. Rxc6 Rxc6 45. b4 Rc8 46. b5 Rb8 47. b6 Kh6 48. Qd6 Rb7 49. Qc6 Rb8 50. b7 Kg7 51. Qc7 Rxb7 52. Qxb7 Kf6 53. Qb2+ Kg5 54. Qd2+ Kf6 55. g4 Kg7 56. Kg3 Kf6 57. h4 Ke7 58. Qe2+ Kf6 59. h5 Nf8 60. Kh4 Kg7 61. g5 Ne6 62. Qe5+ Kg8 63. g6 Ng7 64. h6 Ne8 65. h7+ Kf8 66. h8=Q# 1-0
2024.07.30 Titled Tue 30th Jul Late
439129 Cogan, N (2112) Li, Yilin (1915) 1-0
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Qb6 5. Nc3 e6 6. Qd2 Nc6 7. e3 Nf6 8. Bxf6 gxf6 9. Bd3 Bd7 10. Nge2 Bd6 11. O-O h5 12. h3 Ne7 13. e4 Rg8 14. exd5 exd5 15. Kh1 O-O-O 16. Rac1 Kb8 17. Rc2 Rg7 18. Rg1 Rdg8 19. Qe3 Nf5 20. Nxd5 Qa5 21. Bxf5 Bxf5 22. Rc5 Bxc5 23. dxc5 Qd8 24. Qf4+ Ka8 25. Nc7+ Kb8 26. Ne6+ Ka8 27. Nxd8 Rxd8 28. Qxf5 Rg5 29. Qf3 Rdg8 30. Nf4 Rxc5 31. Rd1 Rcg5 32. Qd3 h4 33. Qd8+ Rxd8 34. Rxd8# 1-0
2024.07.30 Titled Tue 30th Jul Late
439315 Alcazar Jimenez, J (2155) Cogan, N (2112) 1/2-1/2
1. c4 Nf6 2. Nc3 e5 3. e3 Bb4 4. Nge2 c6 5. a3 Ba5 6. b4 Bc7 7. d4 d6 8. Ng3 O-O 9. Be2 Re8 10. O-O Nbd7 11. Qc2 Nf8 12. Bb2 Ng6 13. Rfd1 Qe7 14. dxe5 dxe5 15. e4 Nf4 16. Bf1 a5 17. c5 h5 18. Nce2 g6 19. Nc1 h4 20. Nge2 g5 21. Nxf4 gxf4 22. f3 Kh8 23. h3 Nh7 24. Qf2 Rg8 25. Kh1 Rg3 26. Ne2 Rg6 27. Nxf4 Rg7 28. Ne2 f6 29. Qxh4 Be6 30. Ng3 Rag8 31. Nf5 Bxf5 32. exf5 e4 33. Qxe4 Qf7 34. g4 Ng5 35. Qe3 Rh7 36. Rd2 Bb8 37. Kg1 Qc7 38. f4 Nxh3+ 39. Bxh3 Rxg4+ 40. Bxg4 Rh4 41. Bxf6+ Kh7 42. Bxh4 Qxf4 43. Qxf4 Bxf4 44. Rf2 Kh6 45. Kg2 axb4 46. Bg3 Be3 47. Bf4+ Bxf4 48. Rxf4 b3 49. Rb4 b2 50. Rb1 b5 51. R1xb2 Kg5 52. Rxb5 Kf6 53. Rb6 Kg5 54. Rxc6 Kh4 55. Rg6 1/2-1/2
2024.07.30 Titled Tue 30th Jul Late
439399 Cogan, N (2112) Guzman Lozano, C (1868) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nb6 6. Bg5 Bg7 7. e3 N8d7 8. Nf3 Nf6 9. Be2 O-O 10. O-O Bf5 11. Rc1 Rc8 12. b4 c6 13. a4 Ne4 14. Nxe4 Bxe4 15. a5 Nd5 16. Nd2 Nf6 17. Nxe4 Nxe4 18. Bh4 Nd6 19. Qb3 Nf5 20. Bg5 h6 21. Bf4 g5 22. Bg3 Nxg3 23. hxg3 e6 24. Bd3 Qd6 25. Bb1 e5 26. Qd3 f5 27. Qc4+ Kh8 28. dxe5 Qxe5 29. Rfd1 Rcd8 30. Rxd8 Rxd8 31. a6 bxa6 32. Qxc6 a5 33. b5 a4 34. Ba2 Qb2 35. Rc2 Qb4 36. Kh2 Qg4 37. f3 Qb4 38. Qc7 Qf8 39. Qxa7 f4 40. exf4 gxf4 41. g4 Qf6 42. Qf2 h5 43. Rc5 Bh6 44. Rxh5 Kg7 45. Qa7+ Kg6 46. Bb1+ 1-0
2024.07.23 Titled Tue 23rd Jul Late
448637 Cogan, N (2112) Schiszler, Emilia 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Bb4 7. Rc1 d5 8. cxd5 exd5 9. e3 O-O 10. Bd3 Nbd7 11. O-O Be7 12. h3 Ne4 13. Bxe7 Qxe7 14. Qe2 f5 15. Ba6 Bxa6 16. Qxa6 c6 17. Qb7 Qe6 18. Ne2 c5 19. Nf4 Qf7 20. Qxd5 Rac8 21. dxc5 Ndxc5 22. Ne5 Qxd5 23. Nxd5 Rfe8 24. Ng6 Kf7 25. Ngf4 g5 26. Ne2 Nd3 27. Rxc8 Rxc8 28. Nd4 Nxb2 29. f3 Nd6 30. e4 Nbc4 31. exf5 Rc5 32. Ne3 Nxe3 33. Re1 Nexf5 34. Ne6 Rc2 35. a3 Nc4 36. Nd8+ Kf8 37. Ne6+ Kg8 38. Nd8 Nfe3 39. Kh1 Rxg2 40. Ne6 Rf2 41. Nd4 Rd2 42. a4 Rxd4 43. Rb1 Rd2 44. Rb2 Rxb2 45. a5 bxa5 46. h4 a4 47. f4 gxf4 48. h5 a3 49. Kg1 a2 50. Kh1 a1=Q# 0-1
2024.07.23 Titled Tue 23rd Jul Late
448790 Cogan, N (2112) Hubner, Jessica Trindade (1845) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 b6 7. Bd3 Nbd7 8. O-O e5 9. fxe5 dxe5 10. d5 Bb7 11. Kh1 Qc8 12. Be3 c5 13. Qd2 Ne8 14. Bh6 Nd6 15. Bxg7 Kxg7 16. Ng5 h6 17. Nf3 f6 18. Rf2 Rf7 19. Raf1 Qh8 20. Nh4 Raf8 21. Qe3 Qh7 22. Qg3 g5 23. Nf5+ Nxf5 24. Rxf5 a6 25. a3 Qg6 26. b4 h5 27. Qe1 cxb4 28. axb4 a5 29. bxa5 bxa5 30. Na4 Bc8 31. c5 Nb8 32. Qxa5 Bxf5 33. Rxf5 h4 34. c6 Qh5 35. Qd2 Rc7 36. Be2 Qe8 37. Nc5 Nxc6 38. Ne6+ Kg6 39. Nxc7 Qd7 40. Ne6 Ra8 41. Qe1 Nd4 42. Nxd4 exd4 43. Qf1 Qd6 44. g3 hxg3 45. Qh3 Ra1+ 46. Kg2 Qa3 47. Qh5+ Kg7 48. hxg3 Qe3 0-1
2024.07.23 Titled Tue 23rd Jul Late
448973 Winkels, M (1924) Cogan, N (2112) 0-1
1. b3 d5 2. Bb2 Bf5 3. e3 e6 4. f4 Nf6 5. Nf3 Nbd7 6. Be2 Bd6 7. d3 h6 8. Ne5 c5 9. Nd2 Bh7 10. O-O O-O 11. Qe1 Qc7 12. Qg3 d4 13. Nxd7 Qxd7 14. exd4 Nd5 15. dxc5 Bxc5+ 16. Kh1 Bg6 17. Bh5 Ne7 18. Bxg6 Nxg6 19. Ne4 Bd4 20. Bxd4 Qxd4 21. Rae1 Rac8 22. c3 Qd5 23. d4 Kh8 24. Re3 Ne7 25. Re2 Nf5 26. Qd3 b6 27. Rd1 Rfd8 28. c4 Qxd4 29. Qxd4 Rxd4 30. Rxd4 Nxd4 31. Rd2 Rd8 32. Nc3 a6 33. Ne2 Nc6 34. Rxd8+ Nxd8 35. Kg1 Kg8 36. Kf2 Kf8 37. Ke3 Ke7 38. Kd4 Kd6 39. Nc3 Nc6+ 40. Kd3 Nb4+ 41. Kd4 Nc2+ 42. Kd3 Ne1+ 43. Ke4 Nxg2 44. Na4 Kc6 45. b4 Nh4 46. Nc3 Nf5 47. Ke5 Ne3 48. Kd4 Nc2+ 49. Kd3 Nxb4+ 50. Kd4 Nc2+ 51. Ke4 f6 0-1
2024.07.23 Titled Tue 23rd Jul Late
449098 Cogan, N (2112) Saim, M (2169) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Be7 5. Nc3 Bb7 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. O-O Nbd7 10. Rc1 Rc8 11. h3 a6 12. Qe2 b5 13. Rfd1 Re8 14. Bb1 b4 15. Na4 c5 16. dxc5 Qa5 17. b3 Bc6 18. Nb6 Nxb6 19. cxb6 Qxb6 20. Nd4 Ne4 21. Bxe7 Rxe7 22. Bxe4 dxe4 23. Qg4 Rec7 24. Nf5 f6 25. Ne7+ Rxe7 26. Qxc8+ Kf7 27. Qxc6 Qd8 28. Rxd8 a5 29. Qd5+ Kg6 30. g4 h6 31. Qf5+ Kf7 32. Rcc8 Re5 33. Rf8+ Ke7 34. Rce8+ Kd6 35. Rxe5 fxe5 36. Rd8+ Kc5 37. Qc8+ Kb6 38. Rd6+ Ka7 39. Ra6# 1-0
2024.07.23 Titled Tue 23rd Jul Late
449258 Cogan, N (2112) Kantane, Anna (2248) 0-1
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 Bg4 9. Be2 O-O 10. O-O Re8 11. h3 Bxf3 12. Bxf3 Nbd7 13. a4 c4 14. Be3 a6 15. a5 Rc8 16. Ra4 Nc5 17. Rxc4 Ncxe4 18. Rxe4 Nxe4 19. Nxe4 Bxb2 20. Bb6 Qd7 21. Ng5 h6 22. Ne4 f5 23. Nf2 Qb5 24. Bd4 Rc1 25. Qxc1 Bxc1 26. Rxc1 Qxa5 27. Kh2 Qd2 28. Rd1 Qxf4+ 29. Kg1 b5 30. Bb2 a5 31. Bc1 Qb4 32. Bd2 Qb3 33. Bxh6 a4 34. Bg5 a3 35. Bf6 b4 0-1
2024.07.23 Titled Tue 23rd Jul Late
449428 Vargas, M (2000) Cogan, N (2112) 1-0
1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. Nce2 Nfd7 5. f4 c5 6. d3 b6 7. Nf3 Bb7 8. Ng3 e6 9. Ne4 Be7 10. g3 Nc6 11. Bg2 O-O 12. O-O Nb4 13. a3 Nd5 14. Qe1 Rc8 15. g4 Re8 16. g5 b5 17. Qg3 Qb6 18. Qh3 c4 19. Qg4 Ne3 20. Bxe3 dxe3 21. Kh1 cxd3 22. cxd3 Bxe4 23. dxe4 Rc2 24. b4 Rec8 25. f5 exf5 26. exf5 Bf8 27. f6 Qc7 28. e6 Ne5 29. Nxe5 Qxe5 30. e7 Bxe7 31. fxe7 Qxe7 32. Rae1 e2 33. Rf2 Re8 34. Bf3 Qe3 35. Rfxe2 Rxe2 36. Rxe2 Qc1+ 37. Kg2 Rf8 38. Bd5 Qc7 39. g6 hxg6 40. Qxg6 Qf4 41. Qg3 Qf5 42. Be4 1-0
2024.06.25 Titled Tue 25th Jun Late
488188 Mkrtchyan, Mikayel (2136) Cogan, N (2112) 1-0
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Qf3 c6 6. Qxd5 cxd5 7. Nf3 Nc6 8. d4 Bg4 9. c3 Bxf3 10. gxf3 e6 11. Rg1 g6 12. a4 a5 13. Bf4 Kd7 14. Bb5 h5 15. h3 Bd6 16. Bg5 Be7 17. Bf4 Bd6 18. Bg5 Be7 19. Be3 Bd6 20. Kd2 Kc7 21. b3 Ne7 22. c4 Bb4+ 23. Kd3 Rac8 24. c5 b6 25. Bg5 Nc6 26. Bf4+ Kb7 27. Rac1 bxc5 28. dxc5 Rhe8 29. Bd6 e5 30. Rc2 Nd4 31. Bxe8 Nxc2 32. Bxf7 Nd4 33. Bxd5+ Ka7 34. Rxg6 Bxc5 35. Rg7+ Kb6 36. Rb7+ Ka6 37. Rh7 Bxd6 38. Bb7+ Kb6 39. Bxc8 Nc6 40. Rh6 Kc5 41. Rxh5 Nd4 42. f4 Nxb3 43. fxe5 Be7 44. e6+ Kd6 45. Rb5 Nc5+ 46. Kc4 Nxa4 47. Rd5+ Kc6 48. Bd7+ Kc7 49. Bxa4 Bd6 50. Rxa5 Kd8 51. Kd5 Ke7 52. Ra7+ Kf6 53. Kxd6 1-0
2024.06.25 Titled Tue 25th Jun Late
488476 Senft, Sean (2054) Cogan, N (2112) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d5 7. e3 Nbd7 8. Qc2 a6 9. cxd5 exd5 10. Bd3 c6 11. O-O Re8 12. Rae1 Qa5 13. Nd2 Be7 14. Bg3 Nf8 15. f3 Ng6 16. e4 dxe4 17. fxe4 Nh5 18. Nc4 Qd8 19. Bf2 Nhf4 20. Rd1 Nxd3 21. Rxd3 b5 22. Ne3 Bf8 23. Bg3 b4 24. Ne2 Rxe4 25. Kh1 Be6 26. Qxc6 Rxe3 27. Rxe3 Bd5 28. Qc7 Qg5 29. Rd3 Be4 30. Rdd1 Qd5 31. Rf2 Qxa2 32. Rdf1 Bd5 33. Nf4 Nxf4 34. Bxf4 Qb3 35. Be5 a5 36. Qd7 Be6 37. Qc6 Bd5 38. Qc1 a4 39. Re2 a3 40. Re3 Qc4 41. Qxc4 Bxc4 42. Ra1 axb2 43. Rb1 Ra1 44. Ree1 Ra2 45. d5 Bd3 46. Rxb2 Rxb2 47. Bxb2 Bd6 48. Rd1 Bc4 49. Rd4 1-0
2024.06.25 Titled Tue 25th Jun Late
488699 Cogan, N (2112) Gryshko, Vitalii (2294) 0-1
1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. f4 O-O 6. Nf3 c6 7. Bd3 Qa5 8. O-O a6 9. e5 Nfd7 10. Qe2 dxe5 11. fxe5 e6 12. Bd2 Qc7 13. Rae1 b5 14. c5 a5 15. Kh1 b4 16. Ne4 Ba6 17. Nd6 Bxd3 18. Qxd3 Qd8 19. Bg5 f6 20. exf6 Nxf6 21. Rxe6 Nbd7 22. Ne5 Qc7 23. Re7 Nxe5 24. Rxg7+ Qxg7 25. dxe5 Nd5 26. Re1 b3 27. axb3 a4 28. bxa4 Rxa4 29. h3 Rb4 30. b3 Rfb8 31. e6 Rxb3 32. Qc2 Rb2 33. Qa4 Rb1 34. Qa5 Qe5 35. Bd2 Qxe6 36. Kh2 Rxe1 37. Bxe1 Qe5+ 38. Bg3 Qc3 39. Qa7 Rf8 40. Qd7 Qg7 41. Qxc6 Ne3 42. Qe4 Nf1+ 43. Kg1 Nxg3 44. Qe6+ Kh8 45. c6 Rf1+ 46. Kh2 Qc3 0-1
2024.06.25 Titled Tue 25th Jun Late
488776 Cogan, N (2112) Wisniacki, F (2247) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 Nbd7 8. Bd3 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. Nge2 Nb6 12. O-O O-O 13. Rae1 Bd7 14. Kh1 f5 15. Ng1 Rae8 16. f4 Qh4 17. Nf3 Qe7 18. Ne5 Rf6 19. Qe2 g6 20. Nxg6 Rxg6 21. Qxh5 Qf7 22. Nb1 Nc8 23. Nd2 Nd6 24. Nf3 Qg7 25. Ne5 Rf6 26. Rf3 Kh8 27. Rg3 Qe7 28. Ng6+ Rxg6 29. Rxg6 Kh7 30. Qxh6# 1-0
2024.06.25 Titled Tue 25th Jun Late
489172 Shton, Roman (2031) Cogan, N (2112) 1/2-1/2
1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. c4 c6 6. Nc3 Nbd7 7. Qb3 Qb6 8. c5 Qxb3 9. axb3 b6 10. b4 a5 11. cxb6 Bxb4 12. O-O Nxb6 13. Ne5 O-O 14. Nxc6 Rfc8 15. Ne5 Bxc3 16. bxc3 a4 17. Bb2 Nc4 18. Nxc4 Rxc4 19. Ra3 Rb8 20. Ba1 Bc2 21. Rc1 Bb3 22. e3 Rc7 23. Bf1 Ne4 24. f3 Nd2 25. Kf2 Kf8 26. Bd3 Bc4 27. Bc2 Bb3 28. Bd3 Nc4 29. Bxc4 Rxc4 30. Bb2 Rbc8 31. Ke2 Ke7 32. Kd3 Kd7 33. e4 R4c6 34. Raa1 Bc4+ 35. Kd2 Rb6 36. Ba3 Rcb8 37. Bb4 Bb3 38. e5 Rc8 39. Rf1 g6 40. f4 Ra6 41. Ra3 Rac6 42. Rf2 h5 43. h3 Rh8 44. Ra1 Rcc8 45. Bc5 Rce8 46. Kc1 Rc8 47. Kb2 Rc7 48. Ka3 Rb7 49. Rh1 Bc4 50. Bb4 Bb3 51. Rfh2 Rbb8 52. g4 hxg4 53. hxg4 Rxh2 54. Rxh2 Rg8 55. Rh7 Ke8 56. Rh2 Kd7 57. Rf2 Ke8 58. f5 gxf5 59. gxf5 Rh8 60. fxe6 fxe6 61. Rf6 Kd7 62. Rf7+ Kc6 63. Re7 Rh6 64. Re8 Kb5 65. Rb8+ Kc4 66. Rc8+ Kd3 67. Bd6 Kc2 68. Bf8 Rh1 69. Kb4 Rg1 70. Rc6 Rg6 71. Be7 Kb2 72. Ra6 Rg3 73. Bf6 Rxc3 74. Rxe6 a3 75. Ra6 a2 76. e6 Rc4+ 77. Kb5 a1=Q 78. Rxa1 Kxa1 79. e7 Rc8 80. Be5 Re8 81. Bd6 Kb2 82. Kc6 Kc3 83. Kd7 Ba4+ 84. Ke6 Kc4 85. Bc7 Bb5 86. Be5 Ba4 87. Kd6 Bb5 88. Ke6 Rc8 89. Kd6 Be8 90. Ke6 Rc6+ 91. Kf5 Kb5 92. Bf6 Bd7+ 93. Ke5 Kc4 94. Bg5 Re6+ 95. Kf5 Rxe7+ 96. Kf4 Re4+ 97. Kf3 Bf5 98. Be3 Kc3 99. Bf4 Kd3 100. Be5 Re1 101. Bf4 Be4+ 102. Kg3 Kxd4 103. Kf2 Rd1 104. Bh6 Rd3 105. Bg7+ Kc4 106. Bf6 Rb3 107. Be7 d4 108. Bf6 Rf3+ 109. Ke2 Rh3 110. Kd2 Rh2+ 111. Kc1 d3 112. Be5 Kb3 113. Bxh2 Kc3 114. Bf4 Kc4 115. Bd2 Kd4 116. Bh6 Bf3 117. Bd2 Be4 118. Bh6 Bf3 119. Bd2 Be4 1/2-1/2
2024.06.25 Titled Tue 25th Jun Late
489222 Cogan, N (2112) Kujawski, A (2114) 0-1
1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5 Bxc3 9. bxc3 cxb5 10. Qb1 Bd7 11. e4 Nf6 12. Be2 O-O 13. Bd1 Nc6 14. O-O b4 15. e5 Nd5 16. Ng5 g6 17. Ne4 bxc3 18. Bxc3 Rb8 19. Qc1 Ncb4 20. Qh6 f6 21. exf6 Nxf6 22. Bf3 Nfd5 23. Ng5 Qe7 24. Bxb4 axb4 25. Rfe1 Rxf3 26. Nxf3 b3 27. Nd2 b2 28. Rab1 c3 29. Ne4 c2 30. Qd2 cxb1=Q 31. Rxb1 Qb4 32. Qc2 Rc8 33. Qe2 Rc1+ 34. Qf1 Rxf1+ 35. Kxf1 Qxd4 36. Ke1 Qxe4+ 37. Kd1 Qxb1+ 38. Ke2 Qc2+ 39. Kf3 b1=Q 40. Kg3 Qc3+ 41. f3 Qbe1+ 42. Kh3 e5+ 43. g4 Qxf3# 0-1
2024.06.25 Titled Tue 25th Jun Late
489416 Vargas, M (2000) Cogan, N (2112) 1-0
1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Bxd2 Bxg7 7. c3 Qd5 8. Nf3 Bg4 9. Be2 Nc6 10. O-O O-O-O 11. Bf4 Qh5 12. Qb3 Be6 13. Qa4 Kb8 14. Nd4 Qc5 15. Nxe6 fxe6 16. Bf3 Ne5 17. Be3 Nxf3+ 18. gxf3 Qc6 19. Qxa7+ Kc8 20. Qa8+ Kd7 21. Rad1+ Ke8 22. Rxd8+ Kf7 23. Rxh8 Qxf3 24. Qe8+ Kf6 25. Rf8+ 1-0
2024.06.25 Titled Tue 25th Jun Late
489564 Cogan, N (2112) Burke, Paul 1-0
1. d4 a6 2. c4 d6 3. e4 g6 4. Nc3 h6 5. f4 Bg7 6. Nf3 Nd7 7. Bd3 e6 8. O-O Ne7 9. Kh1 O-O 10. Be3 b6 11. Qd2 Kh7 12. h3 Bb7 13. Rae1 Nf6 14. Kh2 d5 15. cxd5 exd5 16. e5 Ne4 17. Qe2 Nxc3 18. bxc3 c5 19. g4 f5 20. exf6 Bxf6 21. Ne5 Bxe5 22. fxe5 Nc6 23. g5 Qe7 24. Rf6 Nxe5 25. dxe5 Qxe5+ 26. Bf4 Qxe2+ 27. Rxe2 Rxf6 28. Re7+ Kg8 29. gxf6 1-0
2024.06.25 Titled Tue 25th Jun Late
489837 Liu, Yi (2268) Cogan, N (2112) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6 6. Nc3 Bg7 7. Nf3 O-O 8. Be3 dxe5 9. fxe5 c5 10. dxc5 N6d7 11. Qd2 Nxe5 12. O-O-O Qxd2+ 13. Rxd2 Nxf3 14. gxf3 Nc6 15. Be2 Bf5 16. Ne4 Be5 17. Ng3 Be6 18. Rhd1 Rfd8 19. f4 Bg7 20. Ne4 Bf5 21. Ng3 Be6 22. Ne4 h6 23. b3 Bf5 24. Ng3 Be6 25. Bf3 Kf8 26. Bxc6 Rxd2 27. Rxd2 bxc6 28. Bd4 Bxd4 29. Rxd4 Ke8 30. Ne4 Rd8 31. Rxd8+ Kxd8 32. Kd2 Bf5 33. Nc3 g5 34. fxg5 hxg5 35. Ke3 Bc2 36. b4 Kd7 37. a3 f5 38. b5 Kc7 39. a4 e5 40. a5 g4 41. b6+ axb6 42. cxb6+ Kb7 43. c5 f4+ 44. Kf2 Bd3 45. Ne2 Ka6 46. Nc1 Bc4 47. Ne2 Bd3 48. Nc3 Bf5 49. Nd1 Bc8 50. Nb2 Kxa5 51. Nc4+ Kb4 52. Nd6 Ba6 53. b7 Bxb7 54. Nxb7 Kc4 55. Kg2 Kd4 56. Nd8 Kxc5 57. Nf7 Kd4 58. Nd6 c5 59. Nf5+ Kd3 60. Nd6 c4 61. Nf7 Kd4 62. Nd6 c3 63. Nb5+ Kd3 64. Nxc3 Kxc3 65. h3 gxh3+ 66. Kxh3 Kd2 67. Kg2 Ke2 68. Kh3 f3 69. Kg4 f2 70. Kf5 f1=Q+ 71. Kxe5 Qf3 0-1
2024.06.25 Titled Tue 25th Jun Late
489939 Eggleston, T (2188) Cogan, N (2112) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 d6 8. cxd6 cxd6 9. Nf3 Nc6 10. Be2 dxe5 11. Nxe5 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 Nxe5 14. dxe5 O-O 15. O-O Be6 16. f4 Qd7 17. Qd4 Rac8 18. Rac1 b6 19. Bd3 g6 20. a4 Rxc1 21. Rxc1 Rc8 22. Rxc8+ Qxc8 23. Qc3 Qc5+ 24. Qxc5 bxc5 25. b3 Kf8 26. a5 Ke7 27. Kf2 Kd8 28. h3 h5 29. Kg3 Kc7 30. Kh4 Kc6 31. Kg5 c4 32. bxc4 dxc4 33. Bc2 Kb5 34. g4 hxg4 35. hxg4 Kxa5 36. f5 gxf5 37. gxf5 Bd5 38. Kf6 Kb4 39. Ke7 a5 40. Kd6 Bf3 41. e6 fxe6 42. fxe6 Bh5 43. e7 a4 44. Kd7 a3 45. Bd1 Be8+ 46. Kxe8 a2 0-1
2024.06.25 Titled Tue 25th Jun Late
490015 Cogan, N (2112) Peycheva, Gergana (2266) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. e3 b6 6. Bd3 Bb7 7. Nf3 d6 8. Qc2 Nbd7 9. a3 Bxc3 10. Bxc3 Qe7 11. e4 e5 12. O-O a5 13. Rfe1 Rfe8 14. d5 a4 15. Qd2 Nc5 16. Bc2 Bc8 17. h3 h6 18. Re3 Nh5 19. Ne1 Nf4 20. Nd3 Ncxd3 21. Bxd3 h5 22. Bf1 h4 23. Qd1 Qg5 24. Kh2 Bd7 25. Qd2 g6 26. Qc1 Kg7 27. Bd2 Rh8 28. Rg3 hxg3+ 29. fxg3 Qe7 30. gxf4 exf4 31. Bd3 f3 32. Bc3+ f6 33. g4 Bxg4 34. Kg3 Rxh3+ 35. Kxg4 Rah8 36. Kf4 f2 0-1
2024.06.18 Titled Tue 18th Jun Early
495393 Aaditya, Dhingra (2495) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Ng5 Nxc4 7. Qf3 f6 8. Qd5 fxg5 9. Qxc4 e6 10. Nc3 Bg7 11. h4 gxh4 12. exd6 cxd6 13. d5 e5 14. Nb5 Na6 15. Rxh4 Qxh4 16. Qxh4 Bd7 17. Nxd6+ Kf8 18. Bh6 Rd8 1-0
2024.06.18 Titled Tue 18th Jun Early
495955 Lehtosaari, Mauri (2149) Cogan, N (2112) 0-1
1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. e3 h6 5. Bh4 Bd6 6. Ne5 O-O 7. Nd2 c5 8. c3 Nbd7 9. f4 Qc7 10. Bd3 b6 11. O-O a5 12. Qe2 Bb7 13. g4 Ne4 14. Ndf3 a4 15. a3 f6 16. Ng6 Rf7 17. Bg3 Nxg3 18. hxg3 Re8 19. Bb5 Bc6 20. Nfh4 e5 21. fxe5 Bxb5 22. Qxb5 fxe5 23. Rxf7 Kxf7 24. Rf1+ Kg8 25. Qxa4 exd4 26. exd4 Bxg3 27. Nf5 Nf6 28. Qc6 Qxc6 29. Nfe7+ Kh7 30. Nxc6 Kxg6 31. dxc5 bxc5 32. a4 Re2 33. Rf3 Bc7 34. b4 cxb4 35. cxb4 Nxg4 36. a5 Ra2 37. Ne7+ Kg5 38. Nxd5 Be5 39. Rd3 h5 40. Nc3 Ra1+ 41. Kg2 Bxc3 42. Rxc3 h4 43. Rc5+ Kf4 44. Rc4+ Kf5 45. Rc5+ Ne5 0-1
2024.06.18 Titled Tue 18th Jun Early
496058 Cogan, N (2112) Carlstedt, J (2429) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. e3 d5 6. cxd5 exd5 7. Bd3 c5 8. Nge2 Nc6 9. O-O cxd4 10. Nxd4 Nxd4 11. exd4 Bg4 12. Qb3 Bd6 13. Bg5 Be6 14. Rfe1 b6 15. Rac1 Bxh2+ 16. Kh1 Bb8 17. Ne2 h6 18. Bh4 g5 19. Bg3 Ng4 20. Kg1 Qf6 21. f3 Bxg3 22. Nxg3 Qxd4+ 23. Kh1 Nf2+ 24. Kh2 Nxd3 25. Rcd1 Qh4+ 26. Kg1 Nxe1 27. Rxe1 Qxg3 0-1
2024.06.18 Titled Tue 18th Jun Early
496426 Hajiyev, K (2109) Cogan, N (2112) 1-0
1. b3 d5 2. Bb2 Bf5 3. e3 e6 4. Nf3 Nd7 5. Be2 Ngf6 6. O-O Bd6 7. c4 O-O 8. d4 h6 9. Nbd2 Qe7 10. Re1 c6 11. Qc1 a5 12. a3 Bg4 13. Bd3 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. cxd5 Nxd5 17. Nc4 Bc7 18. Qc2 Qh4 19. g3 Qh5 20. e4 Nf4 21. Qc3 f6 22. Bf1 Nh3+ 23. Kg2 Ng5 24. h4 Bf3+ 25. Kg1 Nf7 26. Bg2 1-0
2024.06.18 Titled Tue 18th Jun Early
496866 Cogan, N (2112) Sanhueza, C (2213) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. e5 dxe5 11. fxe5 Nfd7 12. Bg5 f6 13. exf6 Bxf6 14. Bh6 Bg7 15. Bxg7 Kxg7 16. O-O Nf6 17. h3 Bxf3 18. Bxf3 Nbd7 19. Qe2 Qb6 20. Rae1 Rae8 21. Qd2 Ne5 22. Be2 Qd6 23. Rd1 a6 24. a4 c4 25. Kh1 Qc5 26. Rxf6 Rxf6 27. Ne4 Qb6 28. Nxf6 Qxf6 29. d6 Rd8 30. Qd5 Nf7 31. d7 Ne5 32. Qxb7 Qf2 33. Bf3 Nxf3 34. Qxf3 Qxf3 35. gxf3 Kf6 36. Kg2 Ke7 37. Rd4 h5 38. Rxc4 Rxd7 39. Kg3 Rb7 40. Rc6 1-0
2024.06.18 Titled Tue 18th Jun Early
497213 Cogan, N (2112) Alonso, Rap2 (2170) 1/2-1/2
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 e5 7. fxe5 dxe5 8. d5 c6 9. Bd3 b5 10. O-O bxc4 11. Bxc4 cxd5 12. exd5 Nbd7 13. Bg5 h6 14. Bh4 e4 15. Nxe4 Qb6+ 16. Bf2 Qxb2 17. Rb1 Qa3 18. Nxf6+ Nxf6 19. Kh1 Bf5 20. Rb7 Ne4 21. Bg1 Nd6 22. Rc7 Qa5 23. Rc6 Nxc4 24. Rxc4 Qxa2 25. Ra4 Qc2 26. Rxa7 Rad8 27. Qxc2 Bxc2 28. Ra5 Bb3 29. Bc5 Rxd5 30. Bxf8 Rxa5 31. Bxg7 Kxg7 32. Nd4 Bd5 33. Kg1 Ra2 34. Rf2 Ra1+ 35. Rf1 Ra2 36. Rf2 Ra4 37. Ne2 Ra1+ 38. Rf1 Rxf1+ 39. Kxf1 Bc4 40. Kf2 Bxe2 41. Kxe2 Kf6 42. Ke3 Ke5 43. g3 h5 44. h3 Kf5 45. Kf3 g5 46. Ke3 g4 47. h4 Ke5 48. Kd3 f5 49. Ke3 f4+ 50. gxf4+ Kf5 51. Kf2 Kxf4 52. Kg2 g3 53. Kh3 Ke3 54. Kxg3 Ke4 55. Kh3 Kf4 56. Kg2 Kg4 57. Kh2 Kxh4 58. Kg1 Kg4 59. Kh1 h4 60. Kg1 Kg3 61. Kh1 h3 62. Kg1 Kg4 63. Kh1 Kh4 64. Kg1 Kg5 65. Kh1 Kg4 66. Kg1 Kf3 67. Kh2 Kg4 68. Kh1 Kg3 69. Kg1 Kh4 70. Kh1 Kg5 71. Kh2 Kg4 72. Kh1 1/2-1/2
2024.06.18 Titled Tue 18th Jun Early
497327 Jovic, Sta (2092) Cogan, N (2112) 1-0
1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 e4 5. d5 Bb4+ 6. Bd2 Qe7 7. a3 Bxd2+ 8. Qxd2 d6 9. Nc3 O-O 10. dxc6 bxc6 11. O-O-O d5 12. cxd5 cxd5 13. Nxd5 Nxd5 14. Qxd5 Bb7 15. Qd6 Qg5+ 16. e3 Na6 17. Ne2 Nc5 18. Nd4 Rab8 19. h4 Qh5 20. g4 Qxg4 21. Bh3 Qg6 22. Qxc5 Rbc8 23. Bxc8 Rxc8 24. Nc2 h6 25. Qd4 Ba6 26. Rhg1 Rc3 1-0
2024.06.18 Titled Tue 18th Jun Early
497624 Cheng, X (2288) Cogan, N (2112) 1-0
1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. g3 c6 5. Bg2 Bd6 6. e3 O-O 7. Ne2 f5 8. O-O Nd7 9. Nd2 Nf6 10. c4 dxc4 11. Nxc4 Bc7 12. Rb1 Be6 13. Qc2 Qe7 14. b4 a6 15. a4 Rac8 16. Rfd1 Nd5 17. Qd2 Nf4 18. Nxf4 Bxc4 19. Nd3 Bxd3 20. Qxd3 g6 21. b5 axb5 22. axb5 Bd6 23. bxc6 bxc6 24. Rdc1 c5 25. d5 Rc7 26. Rc4 h5 27. Rb6 Qe5 28. Qb1 h4 29. Rxh4 c4 30. Rc6 Rfc8 31. Rhxc4 Kg7 32. Qc1 Kg8 33. Rxc7 Rxc7 34. Qc2 Kf8 35. Rxc7 Bxc7 36. Qc4 Bd6 37. Bf1 Kg7 38. Bd3 Qa1+ 39. Kg2 Qe5 40. h4 Kf6 41. Be2 Kg7 42. Bf3 Kf6 43. h5 Kg7 44. Qh4 Qf6 45. h6+ Kh7 46. Qxf6 1-0
2024.06.18 Titled Tue 18th Jun Early
497922 Cogan, N (2112) Horak, Martin (2333) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. e3 b6 6. Bd3 Bb7 7. Nf3 d5 8. cxd5 exd5 9. O-O Bd6 10. Rc1 a6 11. Qc2 c5 12. Rfd1 c4 13. Bf5 g6 14. Bh3 Re8 15. g3 b5 16. a3 Nbd7 17. Bg2 Nb6 18. Na2 a5 19. Be1 Qe7 20. Nd2 b4 21. b3 c3 22. Nf1 h6 23. a4 Kg7 24. h3 Ba6 25. Nh2 Ne4 26. Rb1 h5 27. Nf3 g5 28. Nc1 g4 29. Nh4 Qg5 30. hxg4 hxg4 31. Nd3 Rac8 32. Nf4 Bxf4 33. exf4 Qh5 34. f3 Nd6 35. Bf2 Re2 36. Qc1 Rce8 37. Re1 Bd3 38. fxg4 Qxg4 39. Bf3 Qh3 40. Bxe2 Bxb1 41. Bf1 Qg4 42. Rxe8 Nxe8 43. Qxb1 Nf6 44. Nf5+ Kf8 45. Ne3 Qe6 46. Qd3 Ne4 47. Bg2 Nd7 48. Bxe4 dxe4 49. Qc4 Qf6 50. Qc8+ Ke7 51. Qc4 1-0
2024.06.18 Titled Tue 18th Jun Early
497990 Mullodzhanov, Nathaniel (1927) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 O-O 9. O-O Na6 10. c3 c5 11. Qe2 cxd4 12. cxd4 h6 13. Nf3 Bf5 14. Nc3 Nb4 15. Rd1 Rc8 16. Nh4 Be6 17. f5 Bxf5 18. Nxf5 gxf5 19. Qh5 Rc6 20. a3 Na6 21. Ne2 Rg6 22. Rd3 e6 23. Rg3 Qe8 24. Bxh6 Rxg3 25. Nxg3 f6 26. Bxg7 Kxg7 27. exf6+ Rxf6 28. Qxe8 1-0
2024.06.18 Titled Tue 18th Jun Early
498382 Cogan, N (2112) Begunov, K (2325) 1/2-1/2
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 h6 5. Bh4 Qb6 6. Qd2 Bf5 7. Nc3 e6 8. e3 Be7 9. Bxe7 Nxe7 10. Nf3 Nbc6 11. Bd3 O-O 12. Bxf5 Nxf5 13. O-O Nd6 14. b3 Rfc8 15. Rfc1 Qa5 16. a3 Qd8 17. Qb2 Na5 18. Ne5 Rc7 19. Na4 Rac8 20. Nc5 b6 21. Ncd3 f6 22. Nf3 Rxc1+ 23. Rxc1 Rxc1+ 24. Nxc1 Qc7 25. Nd2 Ne4 26. Nxe4 dxe4 27. Kf1 Qxh2 28. Ne2 Qh1+ 29. Ng1 Qh5 30. Qc2 Qd5 31. b4 Qc4+ 32. Qxc4 Nxc4 33. a4 Nb2 34. a5 bxa5 35. bxa5 a6 36. Ne2 Nc4 37. Nc3 f5 38. Na4 Nxa5 39. Nc5 Nc4 40. Nxa6 Kf7 41. Ke2 Kf6 42. Nc5 h5 43. Nd7+ Ke7 44. Nc5 Nd6 45. Nb3 h4 46. Na5 Nb5 47. Nc6+ Kf6 48. Ne5 Nc3+ 49. Kf1 Nd5 50. Kg1 Ne7 51. Nd7+ Kf7 52. Ne5+ Ke8 53. Kh2 g5 54. g3 hxg3+ 55. Kxg3 Nd5 56. Ng6 Kf7 57. Ne5+ Kf6 58. Nd7+ Ke7 59. Ne5 Nf6 60. Ng6+ Kd7 61. Ne5+ Kd6 62. Nf7+ Ke7 63. Nxg5 Nd7 64. Kf4 Kf6 65. Nh7+ Kg6 66. Ng5 Kf6 67. Nh3 Nf8 68. Kg3 Ng6 69. Nf4 Nxf4 70. Kxf4 Kf7 71. Ke5 Ke7 72. d5 exd5 73. Kxd5 Kf6 74. Kd6 f4 75. Kd5 Kf5 76. Kd4 fxe3 77. fxe3 Kf6 78. Kxe4 Ke6 79. Kd4 Kd6 80. e4 Ke6 81. Ke3 Ke5 82. Kf3 Ke6 83. Kf4 Kf6 84. e5+ Ke6 85. Ke4 Ke7 86. Kd5 Kd7 87. Kd4 Ke6 88. Ke4 Ke7 89. Kf5 Kf7 90. e6+ Ke7 91. Ke5 Ke8 92. Kd5 Ke7 93. Ke5 Ke8 94. Kf6 Kf8 95. e7+ Ke8 96. Ke6 1/2-1/2
2024.06.18 Titled Tue 18th Jun Late
498450 Korchmar, V (2424) Cogan, N (2112) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. e3 d5 6. a3 Bd6 7. c5 Be7 8. b4 Re8 9. Bd3 c6 10. O-O Nbd7 11. Bb2 b6 12. Qc2 Bb7 13. Ne5 h6 14. f4 a5 15. h3 b5 16. g4 Nxe5 17. fxe5 Nd7 18. Bh7+ Kh8 19. Rxf7 Rf8 20. Raf1 Bg5 21. Qg6 Bxe3+ 22. Kg2 Rg8 23. Bxg8 Qxg8 24. Rxd7 Bc8 25. Rxg7 Qxg7 26. Qe8+ Qg8 27. Rf8 Bd7 28. Rxg8+ 1-0
2024.06.18 Titled Tue 18th Jun Late
498766 Hossain, Enam (2365) Cogan, N (2112) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd2 b6 7. Rb1 dxc4 8. Bxc4 Bb7 9. O-O Nbd7 10. Qe2 a6 11. Rfd1 Qe7 12. e4 b5 13. Bd3 e5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. f4 Qe7 17. e5 Nd7 18. Ne4 Bxd2 19. Rxd2 Nc5 20. Nxc5 Qxc5+ 21. Kh1 Rad8 22. Rc1 Qb6 23. f5 Rfe8 24. f6 g6 25. Re1 c5 26. Bc2 c4 27. Rxd8 Qxd8 28. Qe3 Re6 29. Bf5 Re8 30. h3 Bd5 31. Qh6 Re6 32. Qg7# 1-0
2024.06.18 Titled Tue 18th Jun Late
499082 Cogan, N (2112) Gulamirian, K (1890) 1-0
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 g6 5. b3 Bg7 6. Bb2 O-O 7. Qc2 b4 8. e4 d6 9. Bd3 a5 10. a4 e5 11. dxe6 fxe6 12. h3 e5 13. Ne2 Nc6 14. O-O Nh5 15. Bc1 Nf4 16. Nxf4 exf4 17. Ra2 Nd4 18. Qd1 Qh4 19. Nf3 Nxf3+ 20. Qxf3 g5 21. e5 Bf5 22. Bxf5 dxe5 23. Be6+ Kh8 24. Re2 Rae8 25. Bd5 Qh6 26. Bb2 Qd6 27. Rfe1 Rf5 28. Bc6 Re7 29. Qg4 Rf8 30. Be4 Re6 31. Bd5 Re7 32. Qh5 Qg6 33. Qxg6 hxg6 34. Be4 Kh7 35. Rd2 Kh6 36. Rd6 Bf6 37. Red1 Ree8 38. Ra6 Rd8 39. Rdd6 Rxd6 40. Rxd6 Kg7 41. f3 Rf7 42. Rd5 Rc7 43. Kf1 Kf7 44. Rd6 1-0
2024.06.18 Titled Tue 18th Jun Late
499260 Cogan, N (2112) Rangel, D (2177) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 c5 6. d5 d6 7. Nf3 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 Ng4 11. h3 Nh6 12. O-O Nf5 13. Re1 Nd7 14. e6 fxe6 15. dxe6 Nb6 16. Ng5 Nd4 17. Bg4 h6 18. Nf7 Qe7 19. f5 gxf5 20. Bh5 Kh7 21. Bf4 Bxe6 22. Nxd6 Red8 23. Qd3 Rxd6 24. Bxd6 Qxd6 25. Rad1 Rg8 26. Qe3 Nd5 27. Nxd5 Bxd5 28. Kh1 Bf6 29. Rg1 Rg3 0-1
2024.06.18 Titled Tue 18th Jun Late
499446 Vivas Zamora, Fabian Ernesto (2385) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Nc6 10. d5 Nb8 11. Be2 e5 12. dxe6 Bxe6 13. Nf3 Nc6 14. Nd4 Nxd4 15. Bxd4 d5 16. c5 Nc8 17. O-O Ne7 18. Bf3 Rc8 19. b4 Qd7 20. Re1 Rfd8 21. Bxg7 Kxg7 22. Qd4+ Kg8 23. Rcd1 Nf5 24. Qf6 Qe7 25. Qe5 Qh4 26. Bxd5 Re8 27. Ne4 Rcd8 28. Nf6+ Kf8 29. Nxe8 Rxe8 30. Bxe6 Rxe6 31. Qh8+ Ke7 32. Qd8# 1-0
2024.06.18 Titled Tue 18th Jun Late
499758 Cogan, N (2112) Odeh, K (1959) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 O-O 8. Qd2 c5 9. d5 e6 10. Bc4 exd5 11. Bxd5 Nc6 12. Ne2 Be6 13. O-O Bxd5 14. Bxg7 Kxg7 15. exd5 Ne7 16. Nc3 Nf5 17. Ne2 b6 18. Rad1 Nd6 19. Rfe1 Qf6 20. Nc3 Rfe8 21. a4 Rxe1+ 22. Rxe1 Re8 23. Rxe8 Nxe8 24. Ne4 Qe5 25. f3 Nd6 26. Nxd6 Qxd6 27. Qc3+ Qf6 28. Qd2 Qd6 29. g3 f5 30. Kg2 Kf7 31. Qh6 Kg8 32. Qd2 Kf7 33. Qd3 a5 34. Kh3 Kf6 35. Qc3+ Kf7 36. Qb3 Kf6 37. f4 Kf7 38. Qd3 Kg7 39. Qa6 Kf6 40. Qb7 h5 41. Kg2 Qd8 42. Qc6+ Kg7 43. d6 Kf7 44. Kf3 Ke6 45. d7+ Ke7 46. Qxg6 Qxd7 47. Qxh5 Qd3+ 48. Kg2 Qd2+ 49. Kh3 Qd1 50. Qxd1 1-0
2024.06.18 Titled Tue 18th Jun Late
499883 Cogan, N (2112) Playa, M (2376) 0-1
1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Bd2 O-O 5. e3 d5 6. Bd3 c5 7. Nge2 Nc6 8. a3 Bxc3 9. bxc3 cxd4 10. cxd4 e5 11. cxd5 Qxd5 12. O-O exd4 13. exd4 Nxd4 14. Nxd4 Qxd4 15. Be3 Qg4 16. Qb3 Be6 17. Qb4 Rfd8 18. Bb5 Qxb4 19. axb4 Nd5 20. Bc5 b6 21. Bc6 bxc5 22. Bxa8 Rxa8 23. bxc5 a5 24. c6 Kf8 25. Rfc1 Ke7 26. Rc5 a4 27. Ra3 Kd6 28. Rc4 Nb6 29. Rh4 Kxc6 30. Rxh7 g6 31. Rh4 Nc4 32. Ra1 a3 33. Rd4 a2 0-1
2024.06.18 Titled Tue 18th Jun Late
500087 Hryshchenko, Kamila (2161) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. exd6 cxd6 8. h3 O-O 9. Be2 Bf5 10. O-O d5 11. c5 Nc8 12. Be3 Nc6 13. Qd2 e6 14. Bh6 N8e7 15. a3 Be4 16. Bxg7 Kxg7 17. Ng5 h6 18. Ngxe4 dxe4 19. Rad1 Nf5 20. d5 exd5 21. Nxd5 Qb8 22. Bc4 Qe5 23. Rfe1 Rfe8 24. b4 a6 25. Qc2 Nfd4 26. Qb1 Qg5 27. Kh1 Qe5 28. Qb2 Rad8 29. Nc3 Kh7 30. Rxe4 Qf6 31. Rde1 Rxe4 32. Rxe4 Nf5 33. Re1 Kg7 34. Qc1 Qd4 35. Ne4 1-0
2024.06.18 Titled Tue 18th Jun Late
500299 Oliveira, T1 (1982) Cogan, N (2112) 0-1
1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O Nbd7 9. Qc2 e5 10. dxe5 Nxe5 11. e4 Bd7 12. Nd4 Nc6 13. N2b3 Rfe8 14. Rfe1 a5 15. Rad1 a4 16. Nxc6 bxc6 17. Nd4 c5 18. Nb5 Bxb5 19. cxb5 Ra5 20. Qc3 Rxb5 21. e5 dxe5 22. Bc6 Rbb8 23. Bxe8 Rxe8 24. Qa5 e4 25. Qxa4 Ng4 26. Qd7 Qe5 27. h3 Nf6 28. Qb5 h5 29. a4 h4 30. Re3 hxg3 31. Rxg3 Re6 32. Qe2 Nh5 33. Qg4 g6 34. Rd8+ Kh7 35. Qg5 Qxg5 36. Rxg5 e3 37. fxe3 Rxe3 38. Rxc5 Nf4 39. Rxc7 Nxh3+ 40. Kg2 Ng5 41. Rdd7 Re2+ 42. Kg3 Rxb2 43. a5 Ra2 44. Rd5 Ne4+ 45. Kf4 Nf6 46. Rd6 Kg7 47. a6 Ra4+ 48. Kf3 Ra3+ 49. Ke2 Ra2+ 50. Kd1 Ra3 51. Kc2 Ra2+ 52. Kb3 Ra5 53. Kb4 Ra1 54. Rcc6 Rb1+ 55. Ka3 Ne4 0-1
2024.06.18 Titled Tue 18th Jun Late
500368 Cogan, N (2112) Tan, Ralph (2004) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Qc2 c6 6. f3 Nf6 7. Bg5 O-O 8. e3 Nbd7 9. Bd3 h6 10. Bh4 Re8 11. Nge2 c5 12. O-O c4 13. Bf5 Nf8 14. Bxc8 Rxc8 15. Kh1 Ng6 16. Bf2 a6 17. a4 Bd6 18. Bg1 Bb8 19. e4 dxe4 20. fxe4 Ng4 21. e5 Qh4 22. Qf5 Rc7 23. Nd5 N6xe5 24. Nxc7 Bxc7 25. dxe5 Rxe5 26. Qxf7+ Kh7 27. Ng3 Rg5 28. Qxc7 Rh5 29. Nf5 Nxh2 30. Nxh4 1-0
2024.06.18 Titled Tue 18th Jun Late
500475 Cogan, N (2112) Zhu, Linxi (2133) 0-1
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Be6 5. b3 Be7 6. Bd3 c6 7. Nge2 Nbd7 8. O-O O-O 9. Qc2 d5 10. Bf5 e4 11. Ng3 Bd6 12. cxd5 cxd5 13. Bxe6 fxe6 14. Qe2 Rc8 15. Bd2 a6 16. Rfc1 b5 17. Rc2 b4 18. Ncxe4 Nxe4 19. Rxc8 Nxg3 20. hxg3 Qxc8 21. Rc1 Qb7 22. Qg4 Re8 0-1
2024.06.11 Titled Tue 11th Jun Early
504356 Cogan, N (2112) Levitskiy, Andrey (2285) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Ne2 c5 8. O-O Nc6 9. a3 Bxc3 10. Nxc3 b6 11. b3 Bg4 12. Qd2 Re8 13. Bb2 cxd4 14. exd4 Qd7 15. Rfe1 Bf5 16. Rac1 Nxd4 17. Bxf5 Nxf5 18. Rxe8+ Rxe8 19. Rd1 Qe6 20. h3 h6 21. Nb5 Qd7 22. Nd4 Ne4 23. Qf4 Nxd4 24. Bxd4 Qb5 25. Qg4 f6 26. b4 Qa4 27. Be3 Nc3 28. Rd2 Qxa3 29. Bxh6 Re7 30. Kh2 Qb3 31. Bf4 Ne4 32. Qc8+ Kf7 33. Re2 Qc4 34. Re3 Qxc8 0-1
2024.06.11 Titled Tue 11th Jun Early
504658 Cogan, N (2112) Arutla, Aditya (2243) 1-0
1. d4 Nf6 2. Bd2 c5 3. dxc5 e6 4. b4 a5 5. c3 Ne4 6. e3 axb4 7. Qc2 bxc3 8. Nxc3 Nxd2 9. Qxd2 Bxc5 10. Bd3 Bb4 11. Nge2 O-O 12. O-O d5 13. Rfb1 Nc6 14. Bc2 Bd7 15. Qd3 g6 16. e4 Ra3 17. Rb3 Rxb3 18. Bxb3 dxe4 19. Nxe4 e5 20. a3 Be7 21. Rd1 Bf5 22. Qe3 Qc7 23. N2g3 Bc8 24. h4 Bxh4 25. Qh6 Be7 26. Ng5 Bxg5 27. Qxg5 Rd8 28. Re1 Re8 29. Ne4 Qe7 30. Qh6 Be6 31. Ng5 f5 32. Bxe6+ Kh8 33. Bf7 Rg8 34. Qxh7# 1-0
2024.06.11 Titled Tue 11th Jun Early
505009 Ahmad, Khagan (2401) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. b3 O-O 9. Rc1 Bf5 10. g4 Bc8 11. Bg2 f5 12. gxf5 Bxf5 13. Bxb7 N8d7 14. Bxa8 Qxa8 15. Qf3 Qc8 16. Nge2 e5 17. Qg2 Kh8 18. d5 Nf6 19. h3 Nh5 20. Ng3 Nxg3 21. fxg3 Bd3 22. Ne4 Qa6 23. a4 Nd7 24. Nf2 e4 25. Nxd3 exd3 26. Qd2 Ne5 27. Kd1 Qb7 28. Rc3 Qf7 29. Kc1 Qf3 30. Re1 Qxg3 31. Bd4 Nf3 32. Bxg7+ Kxg7 33. Re7+ Kf6 34. Re6+ Kg7 35. Qxd3 Qg1+ 36. Qd1 Qg5+ 37. Kb2 Ne5 38. Qd4 Kh6 39. Qe3 Qxe3 40. Rxe3 Rf2+ 41. Ka3 Rb2 42. R6xe5 dxe5 43. Kxb2 1-0
2024.06.11 Titled Tue 11th Jun Early
505203 Shevchuk, Olexandr (2093) Cogan, N (2112) 0-1
1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 O-O 6. Nf3 d5 7. O-O Bd6 8. Qc2 c6 9. Rd1 Ne4 10. Bc1 Nd7 11. b3 a4 12. Ba3 Qe7 13. Bxd6 Qxd6 14. Nc3 f5 15. Nxa4 b6 16. Nc3 Bb7 17. e3 g5 18. h4 h6 19. hxg5 hxg5 20. Nxe4 fxe4 21. Nxg5 Rf5 22. Nh3 Raf8 23. Nf4 Nf6 24. Bh3 Rg5 25. Bxe6+ Kg7 26. Qe2 Rh8 27. Kg2 Bc8 28. Bxc8 Rxc8 29. Rh1 Ng4 30. Rh4 Nf6 31. Nh5+ Nxh5 32. Rxh5 Qg6 33. Rah1 Rf8 34. Rxg5 Qxg5 35. cxd5 cxd5 36. Rh5 Qg6 37. Rxd5 Rh8 38. Rd7+ Kf8 39. Rd8+ Kg7 40. Rxh8 Kxh8 41. Qb5 Kg7 42. Qxb6 Qxb6 43. g4 Qa7 44. a4 Qb7 45. a5 Qxb3 46. Kg3 Qa4 47. Kf4 Qxa5 48. Kxe4 Qa8+ 49. Kf4 Kg6 50. f3 Qd5 51. Kg3 Qc4 52. Kf2 Qd3 53. f4 Qe4 54. g5 Kf5 55. Ke2 Kg4 56. Kd2 Kf3 0-1
2024.06.11 Titled Tue 11th Jun Early
505497 Cogan, N (2112) Karwowski, K (2155) 0-1
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 5. Nc3 Qb6 6. e3 e6 7. Qd2 Be7 8. Bxe7 Ngxe7 9. Bd3 O-O 10. Nf3 Bd7 11. O-O Rfc8 12. Na4 Qb4 13. Nc5 Qxd2 14. Nxd2 Be8 15. Nxb7 Rcb8 16. Nc5 Rxb2 17. Ndb3 Nb4 18. Bb1 Bb5 19. Rd1 Bc4 20. Na4 Bxb3 21. axb3 Rxb3 22. Nc5 Rc3 23. Na4 Rc7 24. Nc5 a5 25. Ra4 Nec6 26. Kf1 Rb8 27. Ke2 g6 28. Rc1 Kf8 29. Kd2 Ke7 30. Bc2 e5 31. dxe5 Nxe5 32. Na6 Nxa6 33. Rxa5 Nc4+ 0-1
2024.06.11 Titled Tue 11th Jun Early
505836 Cogan, N (2112) Brancaleoni, M (2180) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Ne2 b6 8. O-O Bd6 9. f3 c5 10. Bd2 Re8 11. Rc1 Nc6 12. Kh1 Nb4 13. Bb1 Ba6 14. Re1 Nd3 15. Bxd3 Bxd3 16. Ng1 Rc8 17. Nh3 h6 18. Nf2 Bc4 19. b3 Ba6 20. dxc5 bxc5 21. Na4 Bb5 22. Nb2 Bb8 23. Bc3 Qd6 24. g3 Bc6 25. Bd2 Red8 26. Nbd3 Bb5 27. Bc3 d4 28. exd4 cxd4 29. Ba5 Re8 30. Rxc8 Rxc8 31. Bd2 Nd5 32. Ne4 Qc6 33. Bf4 Nc3 34. Qd2 Nxe4 35. fxe4 Qc2 36. Qxc2 Rxc2 37. Bxb8 Bxd3 38. e5 Be2 39. Bxa7 d3 40. Be3 d2 41. Bxd2 Rxd2 42. a4 Bf3+ 43. Kg1 Rg2+ 44. Kf1 Rxh2 45. Ra1 Rh1+ 46. Kf2 Rxa1 47. Kxf3 Ra3 0-1
2024.06.11 Titled Tue 11th Jun Early
505987 Sakhayi, M (2166) Cogan, N (2112) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Ba6 8. cxd5 exd5 9. Bxa6 Nxa6 10. Qa4 Qc8 11. Bd2 Qb7 12. Rfc1 c6 13. Rc2 Bd6 14. Rac1 Nb4 15. a3 Nxc2 16. Qxc2 Qd7 17. h3 c5 18. dxc5 bxc5 19. Na4 Ne4 20. Bc3 Rab8 21. Rd1 Qe6 22. Qd3 Nxc3 23. Nxc3 Rxb2 24. Nxd5 h6 25. Qc3 Rfb8 26. Qa5 a6 27. g4 Ra2 28. Kg2 Rbb2 29. Qd8+ Kh7 30. Qh4 Rxf2+ 31. Qxf2 Rxf2+ 32. Kxf2 c4 33. Nd4 Qe4 34. Nc3 Qe5 35. Rc1 Qg3+ 36. Ke2 Qxh3 37. Nf5 Qxg4+ 0-1
2024.06.11 Titled Tue 11th Jun Early
506351 Ersoz, Teoman Guney (2066) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bxf7+ Kxf7 7. e6+ Kg8 8. Ng5 Bg7 9. d5 c6 10. h4 Nxd5 11. h5 h6 12. Nf7 Qf8 13. hxg6 Bxe6 14. Nxh8 Kxh8 15. Qh5 Nf6 16. Qh4 Ng8 17. Nc3 Qf6 18. Qh5 Bf5 19. Bd2 Qxg6 20. Qf3 Nd7 21. O-O-O Bxc2 22. Rde1 Bf5 23. g4 Bxg4 24. Qg3 Ndf6 25. f3 Bf5 26. Qf4 e5 27. Qe3 Qh7 28. Reg1 Re8 29. Ne2 d5 30. Ng3 Bg6 31. f4 d4 32. Qf2 e4 33. f5 Bf7 34. Qf4 e3 35. Be1 Nd5 36. Qg4 Ndf6 37. Qf4 d3 38. Bc3 d2+ 39. Kb1 e2 40. Bxd2 Nd5 41. Qg4 Ndf6 42. Qf3 Bd5 43. Qf4 Bxh1 44. Rxh1 Nd5 45. Qc4 Ngf6 46. Nxe2 Qxf5+ 47. Ka1 Qe4 48. Qxe4 Nxe4 49. Nc3 Nxd2 50. Na4 Nc4 51. Kb1 Nd2+ 52. Kc2 Nc4 53. Nc5 Nce3+ 54. Kd3 Bd4 55. Kxd4 Nf5+ 56. Kd3 Re3+ 57. Kd2 Rf3 58. Rg1 Rf2+ 59. Kd3 Rxb2 60. Ke4 Nd6+ 61. Ke5 Nc4+ 62. Ke6 Re2+ 63. Kf7 Rf2+ 64. Ke8 h5 65. Ne6 Nd6+ 66. Kd7 Ne4 67. Rg6 Rf7+ 68. Ke8 Re7+ 69. Kf8 Rh7 70. Rg8# 1-0
2024.06.11 Titled Tue 11th Jun Early
506539 Cogan, N (2112) Owezdurdiyeva, J (2144) 1/2-1/2
1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. g3 Be7 6. Bg2 O-O 7. O-O d5 8. Ne5 Nbd7 9. b3 c5 10. Nxd7 Qxd7 11. dxc5 bxc5 12. cxd5 exd5 13. Bb2 Rac8 14. Qd2 Rfd8 15. Rfd1 d4 16. Na4 Bxg2 17. Kxg2 Qc6+ 18. Kg1 Ne4 19. Qd3 Ng5 20. h4 Ne6 21. Rac1 Qd5 22. Ba3 Rc6 23. Nb2 Nf4 24. Qf3 Qxf3 25. exf3 Ne2+ 26. Kf1 Nxc1 27. Rxc1 d3 28. Nc4 Rf6 29. f4 Re6 30. Ne5 f6 31. Nc4 Re2 32. Rd1 Rxa2 33. Kg2 Rc2 34. Kf3 Rc3 35. Rb1 d2+ 36. Ke2 d1=Q+ 37. Rxd1 Rxd1 38. Kxd1 Rxb3 39. Bc1 Rc3 40. Ne3 a5 41. Bd2 Ra3 42. Nc4 Ra1+ 43. Kc2 a4 44. Kb2 Rf1 45. Be3 Kf7 46. Nb6 h6 47. Nxa4 g5 48. fxg5 fxg5 49. hxg5 hxg5 50. Nxc5 Bxc5 51. Bxc5 Re1 52. Kc3 Ke6 53. Kd3 Kf5 54. Be3 Kg4 55. Ke4 Ra1 56. f4 Ra4+ 57. Ke5 Ra3 58. Ke4 Ra4+ 59. Ke5 Ra5+ 60. Ke4 Ra4+ 1/2-1/2
2024.06.11 Titled Tue 11th Jun Early
506694 Antunes, Luciano Justi (2045) Cogan, N (2112) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. c5 N6d7 8. cxd6 exd6 9. Qe2+ Be7 10. Bh6 Qa5 11. Nf3 Nc6 12. O-O-O Kd8 13. Qb5 Qxb5 14. Bxb5 a6 15. Bc4 f6 16. Bf4 Nb6 17. Bb3 Na5 18. Bc2 Bg4 19. Rhe1 Rc8 20. Kb1 Re8 21. h3 Bd7 22. Ne4 Nac4 23. Bd3 Nd5 24. Bg3 Bf5 25. Ka1 Kd7 26. Bxc4 Rxc4 27. Ned2 Rc6 28. Rc1 Rec8 29. Nb3 Nb4 30. Rxc6 Rxc6 31. a3 Nc2+ 32. Ka2 Nxe1 33. Nxe1 Be6 34. Nd3 Rc2 35. Nb4 Rd2 0-1
2024.06.11 Titled Tue 11th Jun Early
506909 Cogan, N (2112) Goltsev, Dmitry (2170) 1/2-1/2
1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 h6 6. Bh4 g5 7. Bg3 Bb4 8. e3 Ne4 9. Ne2 Qe7 10. a3 Bxc3+ 11. Nxc3 Nxg3 12. hxg3 c6 13. Bd3 Nd7 14. Qc2 Nf6 15. b4 Bd7 16. Rb1 Rc8 17. Bf5 h5 18. Bxd7+ Qxd7 19. f3 Qd6 20. Ne2 Qe6 21. Kf2 Kf8 22. Rbc1 Re8 23. Qd3 Kg7 24. b5 Re7 25. bxc6 bxc6 26. Rc5 Rhe8 27. Rc3 Qd6 28. Qd2 Rh8 29. Nc1 h4 30. gxh4 gxh4 31. Rh3 Rh5 32. Nd3 Rg5 33. Ne5 Rexe5 34. dxe5 Qxe5 35. Qd4 Qf5 36. Qxh4 Rh5 37. Qg3+ Rg5 38. Qh4 Kf8 39. Rxc6 Ng4+ 40. Ke2 d4 41. Qh8+ Rg8 42. Qxd4 Qb5+ 43. Qc4 Qb2+ 44. Qc2 Qb5+ 45. Qc4 Qb2+ 46. Qc2 Qb5+ 47. Ke1 Nxe3 48. Qc5+ Qxc5 49. Rxc5 Nxg2+ 50. Kf2 Nf4 51. Rc8+ Ke7 52. Rxg8 Nxh3+ 53. Kg3 Ng1 54. Kf2 Nh3+ 55. Ke3 Kf6 56. Ra8 Ng5 57. Rxa7 Ne6 58. Ra6 Ke5 59. a4 Kd5 60. Rxe6 fxe6 61. a5 Kc5 62. Ke4 Kb5 63. Ke5 Kxa5 64. Kxe6 Kb5 65. f4 Kc5 66. f5 Kd4 67. f6 Ke4 68. f7 Ke3 69. f8=Q Kd3 70. Qf5+ Kc4 71. Qe5 Kd3 72. Kd5 Kc2 73. Qd4 Kb3 74. Qc3+ Kxc3 1/2-1/2
2024.06.11 Titled Tue 11th Jun Late
507084 Cogan, N (2112) Megalios, K (2379) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. Nf3 cxd4 6. Qxd4 Nc6 7. Qd3 h6 8. Bh4 O-O 9. e3 d5 10. cxd5 exd5 11. Be2 g5 12. Bg3 Ne4 13. O-O Bxc3 14. bxc3 Bf5 15. Nd4 Bg6 16. Nxc6 bxc6 17. Qa6 Qb6 18. Rfc1 Nxg3 19. hxg3 Rab8 20. Qa3 Qb2 21. Qa6 Rb6 22. Qxa7 Rfb8 23. Bf3 Bd3 24. Qe7 Ra8 25. a4 Bg6 26. e4 dxe4 27. Bxe4 Bxe4 28. Qxe4 Rbb8 29. a5 Rd8 30. Qxc6 Rxa5 31. Rxa5 Qxc1+ 32. Kh2 Qb1 33. Qxh6 Qc1 34. Rxg5+ Qxg5 35. Qxg5+ Kh7 36. Qxd8 Kg6 37. Qh4 f6 38. c4 Kf5 39. c5 Ke5 40. Qf4+ Kd5 41. c6 Ke6 42. c7 Kf7 43. c8=Q Kg7 44. Qcg4+ Kh8 45. Qc7 f5 46. Qgg7# 1-0
2024.06.11 Titled Tue 11th Jun Late
507468 Cogan, N (2112) Domingo Nunez, Ruben (2438) 1-0
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. f4 e5 6. fxe5 dxe5 7. d5 Nh6 8. Nf3 O-O 9. Bd3 f5 10. Bg5 Qe8 11. Qd2 Nf7 12. Bh4 Bh6 13. Qe2 g5 14. Bf2 f4 15. c5 g4 16. Nd2 Nf6 17. O-O-O Kh8 18. Kb1 c6 19. Bh4 Bg5 20. Bxg5 Nxg5 21. Nc4 cxd5 22. exd5 e4 23. Bc2 Bf5 24. h4 gxh3 25. gxh3 Qh5 26. Qd2 e3 27. Qd4 Qg6 28. Bxf5 Qxf5+ 29. Ka1 Nf3 30. Qd3 Qxd3 31. Rxd3 Nh5 32. Ne2 b5 33. Nxe3 fxe3 34. Rxe3 Ng5 35. Re5 Rae8 36. Rxe8 Rxe8 37. Nc3 Ng3 38. Rg1 Nxh3 39. Rxg3 Re1+ 40. Nb1 Nf4 41. a3 Nxd5 42. Rd3 Nf4 43. Rd8+ Kg7 44. Rd7+ Kg6 45. Ka2 h5 46. c6 Rc1 47. Nc3 Ne6 48. Rd6 Kf7 49. Rd7+ Kf6 50. c7 Nxc7 51. Rxc7 h4 52. Rh7 Kg5 53. Rg7+ Kh6 54. Rg8 Kh7 55. Rg4 Rh1 56. Nxb5 a6 57. Nd4 Kh6 58. Nf3 h3 59. b4 Kh5 60. Rg5+ Kh6 61. Rg4 Kh5 62. Rh4+ Kg6 63. a4 Kf5 64. b5 axb5 65. axb5 Ke6 66. Ka3 Kd5 67. Rh5+ Kc4 68. Nd2+ Kc3 69. Ne4+ Kd4 70. Nd2 Kc3 71. Ne4+ Kd4 72. Nf2 Ra1+ 73. Kb2 Ra5 74. Kb3 h2 75. Kb4 Ra2 76. Rxh2 Rb2+ 77. Ka5 Kc4 78. Rh4+ Kc5 79. Rh5+ Kd4 80. Rh4+ Kc5 81. Nd3+ Kd5 82. Nxb2 1-0
2024.06.11 Titled Tue 11th Jun Late
507611 Weishaeutel, Moritz (2398) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. Qf3 c6 4. Nc3 Nxc3 5. dxc3 d6 6. exd6 exd6 7. Bf4 Be7 8. O-O-O O-O 9. Bd3 d5 10. h4 Nd7 11. g4 Nc5 12. Be2 Bd6 13. Be3 Ne4 14. g5 a5 15. Bd3 Re8 16. Ne2 Qd7 17. Rdg1 a4 18. h5 a3 19. b3 Be5 20. g6 fxg6 21. hxg6 h6 22. Bxh6 gxh6 23. g7 Qf5 24. Rxh6 Qxf3 25. Rh8+ Kf7 26. Rxe8 Kxe8 27. g8=Q+ Qf8 28. Qh7 Be6 29. Bxe4 dxe4 30. Qxe4 Qf5 31. Qxf5 Bxf5 32. Rg8+ Ke7 33. Rxa8 Bg4 34. Nd4 Bxd4 35. cxd4 Be6 36. Rxa3 Kd6 1-0
2024.06.11 Titled Tue 11th Jun Late
507916 Bykov, Egor (2424) Cogan, N (2112) 1-0
1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. g3 Nbd7 5. Bg2 e6 6. d3 Bd6 7. Nbd2 O-O 8. Nh4 Bg4 9. h3 Bh5 10. g4 Bg6 11. e3 c5 12. Nxg6 fxg6 13. Qe2 Qc7 14. O-O g5 15. c4 Rae8 16. Rac1 b6 17. b4 Qd8 18. bxc5 Nxc5 19. Nb3 Na4 20. Ba1 Bb8 21. e4 dxe4 22. dxe4 Qc7 23. e5 Nd7 24. Rfe1 Nac5 25. Nd4 Rf4 26. Nb5 Qd8 27. Nd6 Ref8 28. Rcd1 Qe7 29. Bc3 Na4 30. Bd2 Nac5 31. Bxf4 Rxf4 32. Qe3 h6 33. Rd4 a5 34. Rxf4 gxf4 35. Qxf4 Nxe5 36. Qxe5 Bxd6 37. Qd4 Bb8 38. Rd1 Bc7 39. Bf3 g6 40. Kg2 Qf7 41. Qe3 Kh7 42. h4 Qe7 43. h5 gxh5 44. Rh1 Qh4 45. Rxh4 Nd7 46. Rxh5 1-0
2024.06.11 Titled Tue 11th Jun Late
508093 Cogan, N (2112) Novik, Ma (2409) 1/2-1/2
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. O-O Nbd7 11. a4 Re8 12. h3 Bxf3 13. Bxf3 a6 14. Re1 Qc7 15. Be3 c4 16. Bf2 Nc5 17. e5 Nfd7 18. e6 Nf6 19. Bxc5 Qxc5+ 20. Kh1 b5 21. axb5 axb5 22. Rxa8 Rxa8 23. f5 b4 24. fxg6 fxg6 25. Ne4 Nxe4 26. Bxe4 Qd4 27. Qf3 Rf8 28. e7 Rxf3 29. Bxf3 h5 30. e8=Q+ Kh7 31. Be4 Qf6 32. Bb1 Qg5 33. Qe4 Be5 34. Rf1 Kg7 35. Qf3 Qe7 36. Re1 Qg5 37. Rf1 Qe7 38. Kg1 Bd4+ 39. Kh1 Be5 1/2-1/2
2024.06.11 Titled Tue 11th Jun Late
508246 Minko, Dmitry (2247) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. Be2 Bf5 10. b3 d5 11. c5 Nc8 12. Nf3 e6 13. O-O Nc6 14. Re1 N8e7 15. b4 Nxb4 16. Qb3 Nbc6 17. Qxb7 Rb8 18. Qa6 Bg4 19. Rb1 Bxf3 20. Bxf3 Nxd4 21. Bxd4 Bxd4 22. Na4 Qc7 23. Rec1 Nc6 24. g3 h5 25. h3 Qxg3+ 26. Bg2 Qxf2+ 27. Kh1 Rxb1 28. Rxb1 Ne5 29. c6 Nf3 30. Rf1 Qxa2 31. Rxf3 Be5 32. Nc5 Bd6 33. Qxa2 1-0
2024.06.11 Titled Tue 11th Jun Late
508509 Aditya, Varun Gampa (2277) Cogan, N (2112) 0-1
1. h4 Nf6 2. h5 h6 3. d4 d5 4. f3 Bf5 5. g4 Bh7 6. Bf4 c5 7. e3 Nc6 8. Nc3 cxd4 9. exd4 a6 10. Qd2 e6 11. Nh3 Bb4 12. Bd3 Bxd3 13. Qxd3 Rc8 14. O-O-O Qa5 15. a3 Bxc3 16. Qxc3 Qxc3 17. bxc3 Na5 18. Bd6 Nc4 19. Be5 Nxa3 20. g5 hxg5 21. Nxg5 Rxh5 22. Rxh5 Nxh5 23. Rh1 g6 24. Nh7 Rxc3 25. Nf6+ Nxf6 26. Bxf6 Rxf3 27. Rh8+ Kd7 28. Bg5 Nc4 29. Kb1 f6 30. Rh7+ Kc6 31. Bc1 b5 32. Ra7 Kb6 33. Re7 e5 34. Re6+ Ka5 35. c3 Rxc3 36. dxe5 fxe5 37. Bg5 Kb4 38. Be7+ Kb3 39. Bg5 e4 40. Bc1 a5 41. Rxg6 d4 42. Rg5 b4 43. Rg4 Rd3 44. Rxe4 Nd2+ 45. Bxd2 Rxd2 46. Kc1 Rc2+ 47. Kb1 Rc4 48. Re5 a4 49. Rd5 a3 50. Ra5 a2+ 51. Rxa2 Rc1+ 52. Kxc1 Kxa2 0-1
2024.06.11 Titled Tue 11th Jun Late
508723 Cogan, N (2112) Do Valle Cardoso, Lucas (2356) 0-1
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. a4 Nc6 6. e4 Bg4 7. e5 Bxf3 8. gxf3 Nd5 9. Bxc4 Nb6 10. Bd3 Qxd4 11. f4 e6 12. Be3 Qb4 13. O-O O-O-O 14. Qe2 Bc5 15. a5 Bxe3 16. fxe3 Nxa5 17. Ne4 Kb8 18. Bxa6 bxa6 19. Qxa6 Rd5 20. Nc3 Rc5 21. Ne4 Qxe4 22. b4 Qxe3+ 23. Kh1 Qe4+ 24. Kg1 Rc2 25. Rf2 Rxf2 26. Kxf2 Qd4+ 27. Kf1 Qxa1+ 28. Kf2 Qd4+ 29. Kg3 Qxb4 30. Kg4 g5 31. h4 Qxf4+ 32. Kh3 Qxh4+ 33. Kg2 Qg4+ 34. Kh2 Qf4+ 35. Kh1 Qxe5 36. Qf1 f5 37. Qa6 h5 38. Qf1 g4 39. Qa6 h4 40. Qf1 Nac4 41. Qb1 Rd8 42. Qc1 Rd2 43. Qg1 Ra2 0-1
2024.06.11 Titled Tue 11th Jun Late
508949 Cogan, N (2112) Paikens, Reinis (2242) 1-0
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 5. Qd2 Qb6 6. e3 e6 7. Nc3 Nf6 8. Bxf6 gxf6 9. Bd3 Bd6 10. Nge2 f5 11. a3 O-O 12. O-O Ne7 13. b4 Ng6 14. g3 Bd7 15. Rfc1 Rac8 16. Rc2 Rc7 17. Rac1 Rfc8 18. Nb1 Rxc2 19. Rxc2 Rxc2 20. Qxc2 a5 21. b5 Kg7 22. a4 Bb4 23. h4 Qd6 24. h5 Ne7 25. Nf4 Nc8 26. Be2 Nb6 27. Nd2 Bxd2 28. Qxd2 Qb4 29. Qc1 Nc4 30. h6+ Kxh6 31. Kg2 Qd2 32. Qh1+ Kg7 33. Qh4 Kf8 34. Qd8+ Be8 35. Qf6 Bd7 36. Qd8+ Be8 37. Qf6 Nxe3+ 38. fxe3 Qxe3 39. Qh8+ Ke7 40. Qe5 Qb3 41. Qc7+ Bd7 42. Qe5 b6 43. Bf3 Kf8 44. Qh8+ Ke7 45. Qe5 Kf8 46. Qd6+ Ke8 47. Qb8+ Ke7 48. Qxb6 Qa2+ 49. Kh3 Qxa4 50. Qc5+ Kf6 51. b6 Bc6 52. Nh5+ Kg5 53. Nf4 Kf6 54. Nd3 Bb7 55. Ne5 Qb3 56. Qc7 Qxf3 57. Nxf3 1-0
2024.06.11 Titled Tue 11th Jun Late
509092 Zenelaj, Samuel (2207) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. exd6 cxd6 6. Be2 Bg7 7. O-O O-O 8. c4 Nb6 9. Nc3 Nc6 10. Be3 Bg4 11. b3 d5 12. c5 Nc8 13. h3 Bxf3 14. Bxf3 e6 15. b4 a6 16. Rb1 N8e7 17. b5 axb5 18. Nxb5 Nf5 19. Qd2 h6 20. Rfd1 Qf6 21. Bg4 Nxe3 22. fxe3 e5 23. Nc7 Qg5 24. Nxa8 Rxa8 25. dxe5 Qxe5 26. Rxb7 d4 27. exd4 Nxd4 28. Rf1 f5 29. Bd1 Qxc5 30. Kh1 Kh7 31. Re1 Ra7 32. Rxa7 Qxa7 33. h4 h5 34. Qg5 Qxa2 35. Bxh5 Qa6 36. Bd1 Ne6 37. Qe3 Nd4 38. Qg3 Qf6 39. Rf1 Ne6 40. h5 Nc5 41. hxg6+ Qxg6 42. Qh3+ Kg8 43. Rxf5 Ne4 44. Bb3+ 1-0
2024.06.11 Titled Tue 11th Jun Late
509233 Venkatesh, Narayan (2050) Cogan, N (2112) 0-1
1. c4 c5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. O-O O-O 7. d3 e6 8. a3 Nc6 9. Rb1 Rb8 10. b4 b6 11. Bd2 Bb7 12. Qa4 Qe7 13. b5 Nd8 14. Qxa7 Ra8 15. Qxb6 Nd7 16. Qc7 Rc8 17. Qa5 Ra8 18. Qc7 Rc8 19. b6 Rxc7 20. bxc7 Bc6 21. cxd8=Q Rxd8 22. Nb5 Ra8 23. Ne1 Bxg2 24. Kxg2 d5 25. Nc2 dxc4 26. dxc4 Ne5 27. Ne3 Nc6 28. Rfc1 Nd4 29. Nxd4 cxd4 30. Nc2 Qc7 31. Nb4 Rxa3 32. c5 h5 33. c6 h4 34. Bf4 e5 35. Nd5 Qd6 36. c7 Ra8 37. c8=Q+ Rxc8 38. Rxc8+ Kh7 39. Nc7 exf4 40. Ne8 Qd5+ 41. f3 hxg3 42. hxg3 d3 43. exd3 Qxd3 44. Rb7 Qe2+ 45. Kh3 Qxf3 0-1
2024.06.04 Titled Tue 4th Jun Early
512273 Cogan, N (2112) Derjabin, I (2314) 0-1
1. d4 c5 2. d5 g6 3. c4 Bg7 4. Nc3 Bxc3+ 5. bxc3 f5 6. h4 Nf6 7. e3 d6 8. Be2 Qa5 9. Bd2 Nbd7 10. h5 Rg8 11. hxg6 hxg6 12. Nf3 Nb6 13. Ng5 Qa4 14. Qb3 Bd7 15. f3 O-O-O 16. Kf2 Qa6 17. Rh4 Rh8 18. Rah1 Rxh4 19. Rxh4 Qa4 20. Nf7 Rf8 21. Ng5 Kc7 22. Rh6 Rg8 23. g3 a5 24. Rh4 Qxb3 25. axb3 a4 26. Bd1 a3 27. Bc1 Ra8 28. Rh1 a2 29. Bb2 a1=Q 30. Bxa1 Rxa1 31. Be2 Rxh1 0-1
2024.06.04 Titled Tue 4th Jun Early
512634 Cogan, N (2112) Novik, Ma (2409) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nb6 7. Be3 O-O 8. Be2 Nc6 9. Nf3 Bg4 10. d5 Bxf3 11. gxf3 Ne5 12. Kf1 c6 13. dxc6 Nxc6 14. h4 e6 15. h5 Qxd1+ 16. Rxd1 Rfd8 17. Kg2 Nd4 18. hxg6 hxg6 19. Bxd4 Bxd4 20. Rd3 Bxc3 21. Rxc3 Rd2 22. Bc4 Rxb2 23. Bb3 Rd8 24. Rc2 Rxc2 25. Bxc2 Rd2 26. Bb3 a5 27. Ra1 a4 28. Bd1 Nc4 29. Bxa4 Nb2 30. Bb3 Nd3 31. Rf1 Kg7 32. f4 Nxf4+ 33. Kf3 e5 34. Re1 Kf6 35. Kg3 Rd3+ 36. Kh2 Rd2 37. Kg3 Re2 38. Rc1 Rxe4 39. Rc7 Ne6 40. Rxb7 Rd4 41. a4 Rd3+ 0-1
2024.06.04 Titled Tue 4th Jun Early
513016 Brzezina, Piotr (2298) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Qe2 d5 8. O-O O-O 9. c3 Na6 10. Nbd2 c5 11. Rd1 Bg4 12. h3 Bxf3 13. Nxf3 cxd4 14. Nxd4 e6 15. Bf4 Rc8 16. Qe3 Nc4 17. Bxc4 Rxc4 18. Bg5 Qb6 19. b3 Rc7 20. Bf6 Nc5 21. Bxg7 Kxg7 22. f3 Nd7 23. Rac1 Rfc8 24. f4 Qa5 25. b4 Qb6 26. g4 Kh8 27. Kh2 Rg8 28. Rg1 Rc4 29. f5 Qc7 30. fxe6 Nxe5 31. Kh1 f6 32. Rgf1 Kg7 33. Qf4 Rf8 34. g5 Qe7 35. gxf6+ Qxf6 36. e7 Qxf4 37. Ne6+ Kh6 38. exf8=Q+ 1-0
2024.06.04 Titled Tue 4th Jun Early
513231 Cogan, N (2112) Gnechko, Ruslan (2104) 0-1
1. d4 d5 2. c4 e6 3. Nc3 h6 4. cxd5 exd5 5. Bf4 Nf6 6. Qc2 c6 7. e3 Bd6 8. Bg3 O-O 9. Bd3 Re8 10. Nge2 a5 11. O-O Na6 12. a3 Nc7 13. h3 Bxg3 14. Nxg3 Qd6 15. Nf5 Bxf5 16. Bxf5 Ne6 17. Na4 Ng5 18. Nc5 Re7 19. b4 g6 20. Bd3 Kg7 21. b5 Nge4 22. Bxe4 Nxe4 23. Nxe4 Rxe4 24. bxc6 bxc6 25. Rfc1 Re6 26. Qc5 Qd8 27. Rab1 g5 28. Rb6 Rc8 29. Ra6 g4 30. hxg4 Qh4 31. Qxa5 Qxg4 32. Qd2 Rg6 33. g3 h5 34. Qd1 Qf5 35. Kg2 h4 36. Qf3 h3+ 0-1
2024.06.04 Titled Tue 4th Jun Early
513470 Sloan Aravena, P (2087) Cogan, N (2112) 0-1
1. d4 Nf6 2. Bg5 d5 3. f4 h6 4. Bh4 Ne4 5. Nf3 c5 6. e3 Qb6 7. b3 e6 8. Bd3 cxd4 9. exd4 Bd6 10. Bxe4 dxe4 11. Ne5 O-O 12. O-O Nc6 13. c3 Nxe5 14. fxe5 Bxe5 15. Qe2 f5 16. Nd2 Bf6 17. Bf2 Qc7 18. c4 b6 19. Rac1 Ba6 20. Rfd1 Rfd8 21. Nf1 Rac8 22. d5 exd5 23. Ne3 d4 24. Nxf5 Qe5 25. g4 e3 26. Bg3 Qe4 27. Rd3 Bb7 0-1
2024.06.04 Titled Tue 4th Jun Early
513930 Slade, Theodore (2128) Cogan, N (2112) 1-0
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nc6 5. cxd5 exd5 6. Nf3 Bd6 7. O-O O-O 8. Nc3 a6 9. Bg5 Be7 10. Ne5 h6 11. Nxc6 bxc6 12. Bxf6 Bxf6 13. Na4 Rb8 14. Rc1 Re8 15. e3 Qd6 16. Qc2 Bd7 17. Nc5 Rb6 18. Rfd1 g6 19. Bf1 Bc8 20. Na4 Rb8 21. Qxc6 Bd7 22. Qxd6 cxd6 23. Nc3 Rxb2 24. Nxd5 Bd8 25. Bxa6 Rxa2 26. Bc4 Rb2 27. Rb1 Rxb1 28. Rxb1 Be6 29. Nb6 Bxb6 30. Bxe6 Ba5 31. Bd5 Re7 32. Ra1 Bc7 33. g4 Kg7 34. h4 g5 35. h5 Bd8 36. Ra6 Bc7 37. Kg2 Bb8 38. Rb6 Bc7 39. Rc6 Bb8 40. Kf3 Bc7 41. Ra6 Bb8 42. Ke2 Ba7 43. Rxd6 Bxd4 44. Bxf7 Be5 45. Re6 Kxf7 46. Rxh6 Bf6 47. Rh7+ Ke6 48. Rxe7+ Kxe7 49. Kd3 Ke6 50. Ke4 Bg7 51. f4 Bf6 52. Kf3 Kd5 53. e4+ Ke6 54. e5 Bd8 55. h6 Kf7 56. Ke4 gxf4 57. Kxf4 Ba5 58. g5 Kg6 59. e6 Bd2+ 60. Ke5 Bxg5 61. h7 Kxh7 62. Kd6 Bf4+ 63. Kd7 Kg7 64. e7 Bg5 65. e8=Q Bf6 66. Qe6 Kg6 67. Kc6 Kg7 68. Kd5 Kg6 69. Qe4+ Kf7 70. Qf5 Kg7 71. Ke6 Bb2 72. Qf7+ Kh6 73. Qg8 Kh5 74. Qg3 Kh6 75. Qh2+ Kg6 76. Qxb2 1-0
2024.06.04 Titled Tue 4th Jun Early
514169 Cogan, N (2112) Asensio Ramos, E (2215) 1/2-1/2
1. d4 d5 2. c4 e6 3. Nc3 h6 4. cxd5 exd5 5. Bf4 c6 6. e3 Nf6 7. Bd3 Bd6 8. Bg3 O-O 9. Nge2 Re8 10. Bh4 Nbd7 11. h3 Qb6 12. Qc2 a5 13. O-O Be7 14. Rad1 Nf8 15. f3 Ne6 16. Kh1 Qc7 17. e4 dxe4 18. Bg3 exd3 19. Qxd3 Bd6 20. Bf2 Nd5 21. Ne4 Nef4 22. Nxf4 Bxf4 23. a3 Kh8 24. g3 Bd6 25. Rfe1 Bf5 26. g4 Bg6 27. h4 Rad8 28. Rc1 Bf4 29. Rc2 Qe7 30. Rce2 f5 31. Ng3 Qd7 32. h5 Bf7 33. Nxf5 Rxe2 34. Rxe2 Bg5 35. Re1 Nf4 36. Qc3 Nd5 37. Qxa5 Re8 38. Re5 Rxe5 39. dxe5 Be6 40. Nd6 Kh7 41. Qa8 g6 42. hxg6+ Kxg6 43. Qxb7 Qxb7 44. Nxb7 Bf4 45. Nc5 Bc8 46. Bd4 Kf7 47. a4 Ke7 48. a5 Nc7 49. Kg2 Ne6 50. a6 Nxc5 51. Bxc5+ Ke6 52. a7 Bb7 53. b3 Bxe5 54. Be3 Bg7 55. f4 c5+ 56. Kf2 Kd5 57. g5 h5 58. f5 Be5 59. f6 c4 60. bxc4+ Kxc4 61. f7 Bg7 62. g6 Bf8 63. Bg5 Kd5 64. Bf6 Ke6 65. g7 Kxf7 66. gxf8=Q+ Kxf8 67. Ke3 Kf7 68. Bh4 Ke6 69. Kd4 Kf5 70. Kc5 Kg4 71. Be7 Kg3 72. Bd6+ Kg4 73. Kb6 Ba8 74. Kc7 h4 75. Kb8 Bf3 76. a8=Q Bxa8 77. Kxa8 h3 78. Bc7 Kf5 79. Bh2 Ke6 80. Bb8 Kd5 81. Bh2 Ke4 82. Bg3 Kf3 83. Bb8 Ke2 84. Kb7 Kf3 85. Kc6 Kg2 86. Kd5 h2 87. Bxh2 1/2-1/2
2024.06.04 Titled Tue 4th Jun Early
514209 Cogan, N (2112) Smieszek, W (2110) 1-0
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O c4+ 14. Kh1 Nf2+ 15. Rxf2 Qxf2 16. Ne4 Qb6 17. Nd6 Rf8 18. Nxc4 Qc5 19. Rc1 Bg4 20. a3 Bxf3 21. Bxf3 Nd7 22. b4 Qb5 23. Nd6 Qb6 24. e6 fxe6 25. dxe6 Ne5 26. e7 Nxf3 27. Qd5+ Kh8 28. Nf7+ Rxf7 29. Qxf7 Qc6 30. Rxc6 1-0
2024.06.04 Titled Tue 4th Jun Early
514608 Mayaud, R (2175) Cogan, N (2112) 1/2-1/2
1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. g3 O-O 6. Bg2 c6 7. Ne2 Nd7 8. Nd2 Re8 9. c4 dxc4 10. Nxc4 Bb4+ 11. Nc3 f5 12. O-O Nf6 13. Qb3 Bf8 14. Qc2 g6 15. Rad1 Be6 16. Ne5 Nd5 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Qb3 Qxb3 20. axb3 f6 21. Nc4 Rad8 22. Rd3 Bb4 23. Rfd1 Rd5 24. h4 Red8 25. Kf1 Kf7 26. Ke2 h6 27. Na3 Ke6 28. Nc2 Be7 29. Na3 Bxa3 30. bxa3 g5 31. hxg5 hxg5 32. Rh1 R8d7 33. Rc3 R5d6 34. b4 Rd8 35. Rh7 R6d7 36. Rh6 f4 37. gxf4 gxf4 38. Rc5 Rg8 39. Kf3 fxe3 40. fxe3 Rdg7 41. b5 Rg3+ 42. Ke4 cxb5 43. Rxb5 b6 44. a4 R8g4+ 45. Kd3 Rg1 46. a5 bxa5 47. Rxa5 Rd1+ 48. Ke2 Rb1 49. Ra6+ Ke7 50. Rhxf6 Rb7 51. Rh6 Rg2+ 52. Kf3 Rg7 53. e4 Rf7+ 54. Kg4 Rd7 55. d5 Rg7+ 56. Kf5 Rf7+ 57. Ke5 Rg7 58. Rh5 Rb7 59. Re6+ Kd7 60. Rf5 Rc7 61. Ref6 Re7+ 62. Kf4 Rb7 63. Rf7 a5 64. Rxe7+ Kxe7 65. Rh5 Kd6 66. Rh6+ Kc5 67. Rc6+ Kd4 68. d6 Rf7+ 69. Kg5 Kxe4 70. Ra6 Kd5 71. Kg6 Rd7 72. Rxa5+ Kxd6 73. Ra3 Kc5 74. Rc3+ Kd6 75. Rd3+ Kc6 76. Re3 Rd6+ 77. Kf7 Rd5 78. Ke7 Rd1 79. Rc3+ Kb5 80. Ke6 Re1+ 81. Kd5 Rd1+ 82. Ke4 Kb4 83. Rc8 Re1+ 84. Kd3 Rd1+ 85. Kc2 Rd5 86. Rb8+ Rb5 87. Rd8 Rc5+ 88. Kd3 Rc3+ 89. Kd4 Rc4+ 90. Kd3 Rc3+ 91. Kd4 Rc4+ 92. Kd5 Rc5+ 93. Kd6 Rc1 94. Rb8+ Kc3 95. Rc8+ Kd2 96. Rxc1 Kxc1 1/2-1/2
2024.06.04 Titled Tue 4th Jun Early
514845 Cogan, N (2112) Paragua, Megan Althea (2041) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. Nf3 Be7 6. g3 O-O 7. Bg2 Nxc3 8. bxc3 c5 9. O-O Nd7 10. Rb1 Qc7 11. Ne1 Rb8 12. Nd3 b6 13. e4 Bb7 14. Bf4 Bd6 15. Be3 Rfc8 16. d5 exd5 17. exd5 Ba6 18. Re1 Ne5 19. Nxe5 Bxe5 20. Qd2 Rd8 21. Rbd1 Bc4 22. Bg5 f6 23. Be3 Qf7 24. f4 Bc7 25. Bf3 Rd6 26. f5 Rbd8 27. Bf4 R6d7 28. Bxc7 Rxc7 29. d6 Rcd7 30. Bc6 Bxa2 31. Bxd7 Rxd7 32. Re7 Rxe7 33. dxe7 Qxe7 34. Qxa2+ Kh8 35. Qd2 h6 36. Qd8+ Qxd8 37. Rxd8+ Kh7 38. Ra8 a5 39. Rb8 1-0
2024.06.04 Titled Tue 4th Jun Late
515169 Dev, Shah (2334) Cogan, N (2112) 1-0
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. O-O Bd6 7. Nc3 O-O 8. e4 e5 9. d5 Ne7 10. Nd2 a6 11. Nxc4 b5 12. Nxd6 cxd6 13. h3 Re8 14. Be3 Bb7 15. Rc1 Rc8 16. Qd2 Nd7 17. f4 exf4 18. gxf4 Ng6 19. Bd4 Nf6 20. Rce1 b4 21. Na4 a5 22. b3 Ba6 23. Rf2 Bb5 24. Bb6 Qd7 25. Bxa5 Bxa4 26. bxa4 Qxa4 27. Bxb4 Rc4 28. Bxd6 Nxe4 29. Bxe4 Rcxe4 30. Ref1 Nh4 31. Bc5 Qc4 32. Rc1 Qb5 33. d6 Rd8 34. Qc3 h5 35. Rcf1 Nf5 36. Rg2 g6 37. Rd2 Rd7 38. Rd3 Qc6 39. Rc1 Re2 40. Bf2 Qe4 41. Qc8+ Kh7 42. Qxd7 Nh4 43. Qxf7+ Kh6 44. Qf8+ Kh7 45. Rc7+ 1-0
2024.06.04 Titled Tue 4th Jun Late
515444 Cogan, N (2112) Koc, I (1963) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. e3 d5 6. Nf3 c5 7. cxd5 exd5 8. Bd3 Nc6 9. dxc5 Bxc5 10. O-O Bg4 11. Be2 Ne4 12. Be1 Re8 13. Nd4 Bxe2 14. Ndxe2 Re5 15. Rc1 Qh4 16. Na4 Rh5 17. h3 Bd6 18. f4 Qe7 19. Rf3 Rd8 20. Nac3 Nf6 21. Nb5 Bc5 22. Nbd4 Bb6 23. Bc3 Ne4 24. Qd3 Rh6 25. Ng3 Nxg3 26. Rxg3 Rg6 27. Rf3 Qe4 28. Rd1 Rgd6 29. g4 Nxd4 30. exd4 Qe7 31. Rf2 Re6 32. Rdf1 Re3 33. Qd2 Rxh3 34. Rf3 Qh4 35. Rxh3 Qxh3 36. Qg2 Qe3+ 37. Qf2 Qh3 38. Qg2 Qh4 39. Re1 Bxd4+ 40. Kf1 Bxc3 41. bxc3 Qf6 42. Qf3 Qa6+ 43. Kg2 Qxa2+ 44. Re2 Qa5 45. Qe3 h6 46. f5 Qc7 47. f6 Qc6 48. fxg7 d4+ 49. Qf3 d3 50. Rd2 Qxf3+ 51. Kxf3 Kxg7 52. Kf2 Kg6 53. Ke1 Kg5 54. Kd1 Kxg4 55. Ra2 a6 56. Rb2 Rd7 57. Rb6 h5 58. Kd2 h4 59. Rh6 h3 60. Rh8 f5 61. Rg8+ Kf4 62. Rh8 Kg3 63. Rg8+ Kh2 64. Rf8 Rd5 65. Rg8 b5 66. Rg5 a5 67. Rg8 a4 68. Ra8 f4 69. Rf8 Kg3 70. Rg8+ Kh4 71. Rh8+ Kg4 72. Rf8 h2 73. Rh8 Rh5 74. Rg8+ Kf3 75. c4 bxc4 76. Rb8 h1=Q 77. Kc3 Qc1+ 78. Kd4 Qe3+ 79. Kc3 d2+ 80. Kb4 Qb3# 0-1
2024.06.04 Titled Tue 4th Jun Late
515484 Cogan, N (2112) Shapiro, V (2112) 0-1
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O Qxb2 14. Na4 Qa3 15. Bc1 Qb4 16. Rb1 Qxb1 17. e6 fxe6 18. a3 exd5 19. Bd3 Qa1 20. Bb5 Nc6 21. Qxd5+ Be6 22. Qxc5 Nge5 23. Be3 Nxf3+ 24. gxf3 Qe5 0-1
2024.06.04 Titled Tue 4th Jun Late
515832 Coe, William (2078) Cogan, N (2112) 0-1
1. e4 Nf6 2. e5 Nd5 3. g3 d6 4. exd6 cxd6 5. Bg2 Nc7 6. d4 g6 7. c3 Bg7 8. Be3 O-O 9. Nf3 Nc6 10. Nbd2 d5 11. O-O Bg4 12. h3 Bxf3 13. Nxf3 Rb8 14. Qd2 b5 15. b4 a5 16. a3 Na8 17. Bh6 Nb6 18. Bxg7 Kxg7 19. Nh2 Nc4 20. Qf4 h5 21. g4 Rh8 22. g5 Re8 23. Rfe1 e6 24. h4 Ne7 25. Nf3 Nf5 26. Bh3 Ncd6 27. Ne5 Rc8 28. Rac1 Rc7 29. Red1 Qb8 30. Nd3 Rc4 31. Nc5 Ne4 32. Qxb8 Rxb8 33. Nxe4 dxe4 34. Re1 Nxh4 35. Rxe4 Nf3+ 36. Kg2 Nxg5 37. Re5 Nxh3 38. Kxh3 axb4 39. axb4 Kf6 40. f4 Rbc8 41. Rxb5 Rxc3+ 42. Rxc3 Rxc3+ 43. Kg2 Rd3 44. Rb8 Rxd4 45. b5 Rb4 46. b6 Kf5 47. Kg3 Rxf4 48. Rf8 Rg4+ 49. Kf3 Rb4 50. Rxf7+ Kg5 51. b7 h4 52. Kg2 Rb3 53. Rc7 Rb2+ 54. Kh3 e5 55. Re7 Rb3+ 56. Kh2 Kg4 57. Rg7 g5 58. Rc7 Rb2+ 59. Kg1 e4 60. Re7 Kf3 61. Rf7+ Kg3 62. Re7 Rb1# 0-1
2024.06.04 Titled Tue 4th Jun Late
516002 Cogan, N (2112) Storey, Ch (2159) 0-1
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 f5 5. h4 Bxc3+ 6. bxc3 Nf6 7. h5 Nxh5 8. e4 Qb6 9. e5 Qa5 10. Bd2 d6 11. Be2 Ng7 12. e6 Nxe6 13. dxe6 Bxe6 14. Bf3 Nc6 15. Bd5 Bxd5 16. cxd5 Ne5 17. Nf3 Nd3+ 18. Kf1 c4 19. Rb1 O-O-O 20. Be3 b6 21. Bd4 Qxd5 22. Bxh8 Rxh8 23. Qd2 f4 24. Kg1 e5 25. Kh2 g5 26. Rhd1 Rg8 27. Ne1 e4 28. Nxd3 cxd3 29. f3 g4 30. fxe4 g3+ 31. Kg1 Qc5+ 32. Kf1 f3 33. Rb2 Rf8 34. Qxd3 Qh5 0-1
2024.06.04 Titled Tue 4th Jun Late
516176 Howell, D (2675) Cogan, N (2112) 1-0
1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. c4 Bd6 5. Bg3 c5 6. dxc5 Bxc5 7. Nc3 O-O 8. Nf3 dxc4 9. Bxc4 Nc6 10. O-O a6 11. Rc1 b6 12. Qxd8 Rxd8 13. Na4 b5 14. Nxc5 bxc4 15. Rxc4 Ne7 16. Rfc1 a5 17. e4 Kf8 18. Bc7 Re8 19. Ne5 Ra7 20. Bb6 Ra8 21. f3 Kg8 22. b3 Ng6 23. Nc6 Nd7 24. Bxa5 Nxc5 25. Rxc5 Bd7 26. Nd4 h6 27. b4 Rec8 28. Kf2 Rxc5 29. Rxc5 Kf8 30. Ke3 Ke8 31. g3 Ne7 32. a3 Nc8 33. h4 Nd6 34. Rc7 1-0
2024.06.04 Titled Tue 4th Jun Late
516418 Cogan, N (2112) Flis, P (1980) 1-0
1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. h3 Be7 5. Bf4 d5 6. cxd5 exd5 7. Nb5 Na6 8. Nf3 O-O 9. e3 Ne4 10. Bd3 c6 11. Nc3 Be6 12. O-O Nb4 13. Bb1 Bd6 14. Bxd6 Qxd6 15. Ne5 c5 16. a3 cxd4 17. Qxd4 Nc6 18. Nxc6 bxc6 19. Nxe4 fxe4 20. Bxe4 c5 21. Qd2 Qe5 22. Bd3 Rab8 23. b4 c4 24. Bc2 Qg5 25. Kh1 Qh4 26. f4 Rbd8 27. f5 Bf7 28. Rf4 Qf6 29. Rd4 Qe5 30. e4 dxe4 31. Rxd8 Qxa1+ 32. Qd1 Qxd1+ 33. Rxd1 e3 34. Re1 Re8 35. g4 Bd5+ 36. Kh2 c3 37. Kg3 Kf7 38. Kf4 e2 39. Kg3 Re3+ 40. Kf2 Rxh3 41. Rxe2 Rh2+ 42. Ke3 Rxe2+ 43. Kxe2 Kf6 44. Ke3 Kg5 45. Kd4 Bf3 46. Kxc3 Bxg4 47. f6 1-0
2024.06.04 Titled Tue 4th Jun Late
516600 De Pablo Pena, M (1746) Cogan, N (2112) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 g6 6. Nf3 Bg7 7. Be3 dxe5 8. fxe5 Bg4 9. Nc3 Nc6 10. b3 Qd7 11. Be2 O-O-O 12. c5 Nd5 13. Nxd5 Qxd5 14. O-O Qe4 15. Bf2 f6 16. h3 Be6 17. Nd2 Qd5 18. Bf3 Qd7 19. Bxc6 Qxc6 20. exf6 exf6 21. Nf3 Bd5 22. b4 Rhe8 23. a4 f5 24. b5 Bxf3 25. bxc6 Bxd1 26. cxb7+ Kxb7 27. Rfxd1 Rd5 28. Rab1+ Kc6 29. Rb4 Red8 30. Kh2 Rxc5 31. dxc5 Rxd1 32. Rb8 Be5+ 33. Bg3 Bxg3+ 34. Kxg3 Kxc5 35. Rh8 Rd7 36. Ra8 Kb6 37. Kf4 c5 38. Rc8 Rc7 39. Rb8+ Ka5 40. Ke3 c4 41. Kd2 c3+ 42. Kc2 Kxa4 43. Rb1 a5 44. Ra1+ Kb4 45. Rb1+ Kc4 46. Ra1 Re7 47. Rxa5 Re2+ 48. Kd1 Rxg2 49. Ra7 Rh2 50. Rc7+ Kd4 51. Rd7+ Ke4 52. Re7+ Kf4 53. Rc7 Rxh3 54. Rc4+ Ke5 55. Kc2 h5 56. Rc5+ Kf4 57. Rc4+ Kg5 58. Rc8 h4 59. Rg8 Rg3 60. Rg7 h3 61. Rf7 h2 62. Rh7 Rg2+ 63. Kxc3 Kg4 64. Kd3 g5 65. Rh6 Kg3 66. Rh7 Rg1 67. Rh6 h1=Q 68. Rg6 Qe4+ 69. Kc3 Rc1+ 0-1
2024.06.04 Titled Tue 4th Jun Late
516682 Deviprasath, Sharvesh (2393) Cogan, N (2112) 1-0
1. e4 Nf6 2. e5 Nd5 3. Nc3 Nb6 4. Nf3 d5 5. d4 Bf5 6. Be3 h6 7. Be2 e6 8. O-O N8d7 9. Nd2 c5 10. Nf3 Rc8 11. Nb5 a6 12. Na3 Be7 13. c3 O-O 14. Nb1 f6 15. exf6 Bxf6 16. dxc5 Nxc5 17. Nd4 Be5 18. Nxf5 Rxf5 19. Bg4 Rf6 20. Nd2 Qe7 21. Nf3 Bd6 22. Re1 Rcf8 23. b4 Ncd7 24. Bd4 e5 25. Bxb6 Nxb6 26. a4 e4 27. a5 Qf7 28. axb6 exf3 29. Bxf3 Rf5 30. Ra5 Rd8 31. Qd4 Bb8 32. c4 Kh8 33. Rxd5 Rfxd5 34. Bxd5 Qd7 35. Qe3 Qd6 36. g3 Qxb4 37. Qe7 1-0
2024.06.04 Titled Tue 4th Jun Late
516880 Cogan, N (2112) Romero Arzuaga, Yudel (2231) 1-0
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 a6 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O c4+ 14. Kh1 Nf2+ 15. Rxf2 Qxf2 16. Ne4 Qb6 17. Nd6 Bg4 18. Nxc4 Qc5 19. Rc1 Bxf3 20. Bxf3 Nd7 21. e6 Nf6 22. Ne5 Qb4 23. Nxf7 Ne4 24. Qe2 Nxg5 25. Nxg5 Qf4 26. Rd1 Qxg5 27. d6 Qe5 28. Qxe5 Bxe5 29. e7 Rfe8 30. Bxb7 Rab8 31. d7 Rxe7 32. d8=Q+ Rxd8 33. Rxd8+ Kg7 34. Bf3 Bxb2 35. g3 a5 36. Rd2 Bc3 37. Rc2 Bb4 38. Bc6 h5 39. Kg2 g5 40. h3 h4 41. Ba4 Re3 42. gxh4 gxh4 43. Rc7+ Kf6 44. Rc6+ Kg5 45. Rc4 Re2+ 46. Kf3 Rxa2 47. Rg4+ Kf6 48. Bc6 Be1 49. Bd5 Ra3+ 50. Ke4 1-0
2024.06.04 Titled Tue 4th Jun Late
516990 Cogan, N (2112) Torres, Yel (2061) 0-1
1. d4 d6 2. c4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. e3 Be7 6. Bd3 c6 7. O-O O-O 8. b3 Re8 9. Bb2 Qc7 10. Qc2 Bf8 11. Rad1 a5 12. h3 h6 13. Rfe1 b6 14. e4 Bb7 15. d5 cxd5 16. exd5 Rac8 17. Nh4 Nc5 18. Bf1 g6 19. Re3 Bg7 20. g4 Qe7 21. Nf3 Qf8 22. Bg2 Nh7 23. Nh4 Bf6 24. Nf3 Rcd8 25. Rde1 Bc8 26. Nd2 Bg5 27. R3e2 f5 28. gxf5 gxf5 29. a3 e4 30. Nb5 Nd3 31. Rd1 Bd7 32. Nd4 Qf7 33. Nf1 Qh5 34. Ng3 Qg6 35. Ba1 Bh4 36. Kh2 Ng5 37. Rg1 Nf4 38. Re3 Nh5 39. Nxh5 Qxh5 40. Bh1 f4 41. Rxe4 Bxf2 42. Rf1 Qxh3# 0-1
2024.05.28 Titled Tue 28th May Early
524791 Grot, Blazej (2045) Cogan, N (2110) 1-0
1. e4 Nf6 2. d3 d5 3. Nd2 e5 4. Ngf3 Nc6 5. g3 Bc5 6. Bg2 O-O 7. c3 a6 8. O-O Bg4 9. h3 Bh5 10. Qc2 Qe8 11. Nh4 dxe4 12. Nxe4 Nxe4 13. dxe4 Rd8 14. Nf5 Bg6 15. Be3 Bxe3 16. Nxe3 Qe7 17. a4 Qc5 18. b4 Qe7 19. b5 Na5 20. Qb2 Qc5 21. Qb4 Qxb4 22. cxb4 Nb3 23. Ra3 Nd4 24. bxa6 bxa6 25. Kh2 Rb8 26. Rb1 c5 27. Nd5 cxb4 28. Rxb4 Rxb4 29. Nxb4 a5 30. Nd5 Rb8 31. Rc3 Ne6 32. f4 exf4 33. gxf4 f5 34. exf5 Nxf4 35. fxg6 Nxg6 36. Rc5 Ne5 37. Rxa5 Rb2 38. Ne7+ Kf7 39. Rxe5 1-0
2024.05.28 Titled Tue 28th May Early
525086 Cogan, N (2110) Mogirzan, Matei-Valeriu (1955) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. e3 O-O 6. Bd3 d5 7. Nge2 dxc4 8. Bxc4 Nc6 9. dxc5 Bxc5 10. O-O Ne5 11. Bb3 Nfg4 12. h3 Qh4 13. Nf4 Nf6 14. Rc1 Rd8 15. Qc2 g5 16. Ne4 gxf4 17. Nxf6+ Qxf6 18. Qxc5 Rxd2 19. exf4 Qxf4 20. Qc7 Bd7 21. Rce1 Nf3+ 22. gxf3 Qxc7 0-1
2024.05.28 Titled Tue 28th May Early
525477 Cogan, N (2110) Prydun, Andriy (2162) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 Ne8 6. Nf3 c6 7. Bd3 Nc7 8. O-O a6 9. a4 d6 10. Kh1 Nd7 11. Be3 Rb8 12. a5 b6 13. axb6 Rxb6 14. Qd2 Rb8 15. Bf2 Bb7 16. Bg3 Re8 17. e5 c5 18. d5 Na8 19. Rae1 Nf8 20. f5 f6 21. fxg6 hxg6 22. exd6 exd6 23. Rxe8 Qxe8 24. Bxd6 Rc8 25. Qf4 Nd7 26. Qg3 Kh7 27. Re1 Qf7 28. Nh4 f5 29. Re6 Nf6 30. Re7 Qg8 31. Qxg6+ Kh8 32. Nxf5 Re8 33. Nxg7 Rxe7 34. Bxe7 Nh7 35. Bf6 Nxf6 36. Qxf6 Qxg7 37. Qxg7+ Kxg7 38. Ne4 Nb6 39. Nxc5 Bc8 40. b3 Kf6 41. h4 Ke5 42. h5 Kf6 43. h6 a5 44. h7 Kg7 45. Kh2 Nd7 46. Nxd7 Bxd7 47. c5 1-0
2024.05.28 Titled Tue 28th May Early
525720 Schmidt, Tobias2 (2195) Cogan, N (2110) 0-1
1. g3 Nf6 2. Bg2 d5 3. c4 c6 4. b3 e5 5. Bb2 Bd6 6. cxd5 cxd5 7. Nc3 Be6 8. Nb5 O-O 9. Qc1 Nc6 10. Nxd6 Qxd6 11. a3 Rac8 12. Qb1 d4 13. d3 Bxb3 14. Nf3 Na5 15. O-O Bc2 16. Qa2 Nb3 17. Rae1 a5 18. Nh4 a4 19. Bxb7 Rc7 20. Bf3 Nd2 21. Nf5 Qd7 22. g4 Nxf3+ 23. exf3 Bxd3 24. Rxe5 Bxf1 25. Kxf1 Rc2 26. Qb1 d3 27. Re7 Qb5 28. g5 d2+ 29. Kg2 Qxb2 30. Qd1 Qc1 31. Qe2 d1=Q 32. gxf6 Qxe2 0-1
2024.05.28 Titled Tue 28th May Early
525969 Cogan, N (2110) Guliev, L (2257) 0-1
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Nc3 Nbd7 8. e4 c6 9. a4 a5 10. Qe2 Qc7 11. Qxc4 Re8 12. Bf4 Qb6 13. Qe2 e5 14. dxe5 Ng4 15. Rfd1 Ndxe5 16. Nxe5 Nxe5 17. Be3 Qc7 18. h3 Be6 19. Kh2 Bb3 20. Re1 Rad8 21. f4 Nd3 22. Rg1 f5 23. e5 Bf8 24. g4 Qf7 25. Bf3 Bc5 26. Bxc5 Nxc5 27. Qg2 Be6 28. Raf1 Rd3 29. Rd1 Red8 30. Rge1 Rxd1 31. Rxd1 Rxd1 32. Nxd1 Nxa4 33. g5 Nb6 34. Ne3 Bd5 35. Bxd5 Nxd5 36. Qf3 a4 37. Kg3 Nxe3 38. Qxe3 Qc4 39. e6 Kf8 40. e7+ Ke8 41. Qe5 Qd3+ 42. Kg2 Qd5+ 43. Qxd5 cxd5 44. Kf3 Kxe7 45. Ke3 Kd6 46. Kd4 b5 47. b4 0-1
2024.05.28 Titled Tue 28th May Early
526296 Shymanskyi, Oleksandr (2284) Cogan, N (2110) 1-0
1. b3 d5 2. Bb2 Bf5 3. e3 f6 4. f4 c5 5. Nf3 Nc6 6. g3 e6 7. Bg2 Bd6 8. O-O h5 9. d3 Qd7 10. Nbd2 Bg6 11. Qe2 O-O-O 12. e4 Kb8 13. Rae1 Bc7 14. Bh3 d4 15. a4 h4 16. Nxh4 Bh5 17. Bg4 Bf7 18. Nc4 Nge7 19. e5 f5 20. Bf3 Rh6 21. Ba3 b6 22. Kf2 Rdh8 23. Rh1 Nd5 24. Bxd5 Qxd5 25. Qf3 Qd7 26. a5 Bh5 27. Qg2 Be8 28. axb6 axb6 29. Nf3 Qd5 30. Ng5 Qd7 31. h4 Bd8 32. Nd6 Kc7 33. Nxe8+ Rxe8 34. g4 g6 35. Nf3 Reh8 36. g5 Rh5 37. Bc1 Kb8 38. Bd2 Ne7 39. Ra1 Nd5 40. Ra6 Qb7 41. Rha1 Bc7 42. b4 cxb4 43. Be1 Ne3 44. Qh1 Rxh4 45. Ra8+ Qxa8 46. Rxa8+ Kxa8 47. Nxh4+ Nd5 48. Ke2 Kb8 49. Qf3 b5 50. Nxg6 Rh2+ 51. Bf2 1-0
2024.05.28 Titled Tue 28th May Early
526559 Cogan, N (2110) Boraso, A (2273) 0-1
1. d4 b5 2. e4 Bb7 3. Bd3 a6 4. Ne2 g6 5. O-O Bg7 6. Be3 d6 7. c3 Nd7 8. f4 Ngf6 9. e5 Ng4 10. Bd2 dxe5 11. Ng3 Ndf6 12. fxe5 Qd5 13. Qe2 Nh5 14. Re1 Nxg3 15. hxg3 h5 16. Be4 Qxe4 17. Qxe4 Bxe4 18. Rxe4 e6 19. Bg5 Bh6 20. Bxh6 Nxh6 21. Nd2 Nf5 22. Kf2 Ke7 23. Nb3 Rhd8 24. Nc5 Rd5 25. Rh1 a5 26. g4 hxg4 27. Rxg4 b4 28. Rh7 bxc3 29. bxc3 Rb8 30. Rxg6 Rb2+ 31. Kf3 Rxc5 32. dxc5 Rc2 33. Rg8 Rxc3+ 34. Kf2 Rxc5 35. Ra8 Rc2+ 36. Kg1 Rxa2 37. Ra7 Rc2 38. Rxa5 Ne3 39. Rg7 Nd5 40. Ra3 Re2 41. Rf3 Rxe5 42. Rfxf7+ Kd6 43. Rd7+ Kc5 44. Rd8 Kd4 45. Ra8 c5 46. Ra1 Nc3 47. g4 Re4 48. g5 c4 49. g6 Ke3 50. Kh2 Ne2 51. Rh7 Kf2 52. g7 Rg4 0-1
2024.05.28 Titled Tue 28th May Early
526793 Thet Naung (2270) Cogan, N (2110) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Qxd2 O-O 7. Nc3 d6 8. e3 e5 9. Qc2 Bg4 10. dxe5 dxe5 11. Be2 Nbd7 12. O-O c6 13. h3 Bh5 14. Rfd1 a5 15. Nd2 Bg6 16. Bd3 Bxd3 17. Qxd3 Nc5 18. Qc2 a4 19. Nde4 Nfxe4 20. Nxe4 Nb3 21. Rab1 Rfd8 22. Rxd8+ Rxd8 23. Rd1 h6 24. Nc3 Ra8 25. Nxa4 Rxa4 26. Qxb3 Ra8 27. Qb6 g6 28. c5 Kg7 29. Rd6 Ra4 30. Qb3 Ra5 31. Qc3 Ra8 32. f4 Re8 33. b4 Kg8 34. Qxe5 Qxe5 35. fxe5 Rxe5 36. Rd7 Rxe3 37. a4 Ra3 38. a5 Kg7 39. Rxb7 h5 40. Rb6 Ra4 41. h4 Kf8 42. Kf2 Ke7 43. Ke3 Kd7 44. Kd4 Kc7 45. a6 Kc8 46. Ke5 Kc7 47. Kf6 Ra1 48. Kxf7 Rf1+ 49. Kxg6 Rf4 50. Kxh5 Rf8 51. g4 Rg8 52. g5 Rh8+ 53. Kg4 Ra8 54. g6 Kd7 55. h5 Ke6 56. Rxc6+ Ke7 57. h6 Rh8 58. h7 Rd8 59. g7 Kf7 60. g8=Q+ Rxg8+ 61. hxg8=Q+ Kxg8 62. Kf5 Kg7 63. Rc7+ Kf8 64. Ke6 Ke8 65. Rc8# 1-0
2024.05.28 Titled Tue 28th May Early
527129 Cogan, N (2110) Tilahun, Abel Mathewos (1972) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Qc2 Nf6 6. Bg5 O-O 7. e3 h6 8. Bh4 c6 9. Bd3 Nbd7 10. Nge2 Re8 11. O-O Nf8 12. f3 Qb6 13. Kh1 a5 14. e4 dxe4 15. fxe4 Qc7 16. e5 N6d7 17. Bc4 Ne6 18. Qf5 Nxe5 19. dxe5 Bxh4 20. Qe4 Bg5 21. h4 Nc5 22. Qd4 Be7 23. Bxf7+ Kh8 24. Bxe8 Be6 25. Bf7 Rd8 26. Qe3 Bxh4 27. Bxe6 Nxe6 28. Nf4 Ng5 29. Ng6+ Kh7 30. Nxh4 Re8 31. Rae1 Kg8 32. e6 Qe7 33. Nf5 Qf6 34. Nd6 Qg6 35. Kg1 Qh5 36. Nf5 Rxe6 37. Qg3 Rxe1 38. Rxe1 Qf7 39. Qe5 Qc4 40. Qxg7# 1-0
2024.05.28 Titled Tue 28th May Early
527283 Cogan, N (2110) Vusatiuk, V (2289) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 b5 8. cxb5 a6 9. bxa6 Bxa6 10. Bxa6 Nxa6 11. O-O Qb6 12. e5 Ne8 13. f5 dxe5 14. Qe2 Qc7 15. fxg6 hxg6 16. Bg5 Nf6 17. Nxe5 Rfb8 18. Rae1 Nb4 19. a3 Na6 20. Qf3 Rf8 21. Nc6 Rfe8 22. Ne4 Nxe4 23. Qxf7+ Kh7 24. Rxe4 Rf8 25. Rh4# 1-0
2024.05.28 Titled Tue 28th May Late
527549 Grinev, V (2422) Cogan, N (2110) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. g3 d5 6. Qc2 b6 7. Bg2 Bb7 8. O-O Nbd7 9. a3 Bd6 10. b4 c5 11. bxc5 bxc5 12. Rb1 Rb8 13. Bb2 Qc7 14. Rfc1 Rfc8 15. Ba1 Qa5 16. Bc3 Qd8 17. Qa2 Ba6 18. Rxb8 Rxb8 19. e3 h6 20. Ba1 Qe7 21. cxd5 Nxd5 22. Ne4 c4 23. Nxd6 Qxd6 24. Bf1 N7b6 25. Ne5 Rc8 26. e4 Nf6 27. f3 Nfd7 28. Nxd7 Qxd7 29. Bc3 Qa4 30. Rb1 Bb5 31. Rb4 Qa6 32. Kg2 Na4 33. Qc2 Nxc3 34. Qxc3 Qa5 35. Be2 a6 36. d5 exd5 37. exd5 Qd8 38. Qd4 Qd7 39. Bxc4 Bxc4 40. Rxc4 Rb8 41. d6 f6 42. Rc7 Qe6 43. d7 Rd8 44. Rc8 Qe7 45. Qc4+ Kf8 46. Qc7 Qe2+ 47. Kh3 Qe6+ 48. g4 Qe7 49. Qxd8+ Kf7 50. Qxe7+ 1-0
2024.05.28 Titled Tue 28th May Late
527669 Cogan, N (2110) Senthilkumar, Pranav (1912) 0-1
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 bxc4 5. e4 d6 6. Bxc4 g6 7. b3 Bg7 8. Bb2 O-O 9. Ngf3 Ba6 10. Qc2 Bxc4 11. Nxc4 Nbd7 12. O-O Nb6 13. Nfd2 Rb8 14. Rfe1 Nxc4 15. Nxc4 Qc7 16. Bc3 Nd7 17. Bxg7 Kxg7 18. f4 Kg8 19. e5 Nb6 20. Rad1 Nxc4 21. Qxc4 Rb4 22. Qf1 c4 23. Re4 Qb6+ 24. Qf2 cxb3 25. Rxb4 Qxb4 26. axb3 Qxb3 27. Qxa7 Qxd1+ 0-1
2024.05.28 Titled Tue 28th May Late
527949 Rojas Alarcon, J (2357) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Qe2 d5 8. Nbd2 Na6 9. Nf1 O-O 10. Be3 Bg4 11. h3 Bd7 12. h4 h5 13. O-O-O Rc8 14. Kb1 c5 15. dxc5 Nxc5 16. Bxd5 Qc7 17. Ng3 Bg4 18. Bf4 Nxd5 19. Rxd5 Na4 20. Rhd1 Qb6 21. Rb5 Qc7 22. Rb4 Nb6 23. e6 Qc5 24. exf7+ Rxf7 25. Re4 Nd5 26. Be5 Qb6 27. Bxg7 Rxg7 28. Ka1 1-0
2024.05.28 Titled Tue 28th May Late
528253 Cogan, N (2110) Coe, William (2078) 0-1
1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Qc2 c6 6. Bf4 g6 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 Nf6 10. h3 O-O 11. Nf3 Re8 12. O-O Nbd7 13. a3 Bf8 14. b4 b5 15. Nd2 Nb6 16. Nb3 Nc4 17. Nc5 Bg7 18. a4 a6 19. Ra2 Bf8 20. Rfa1 Bxc5 21. dxc5 Rc8 22. Ne2 Re4 23. axb5 axb5 24. Bg5 Re5 25. Bf4 Re4 26. Qc3 Nh5 27. Bh2 Qf6 28. Qxf6 Nxf6 29. Ra8 Ree8 30. R8a7 Ne4 31. Nd4 Ng5 32. R1a6 Ne6 33. Nxc6 Kf8 34. Bg3 h6 35. Ne5 g5 36. Nxc4 dxc4 37. Bd6+ Kg8 38. Rb7 c3 39. Ra2 Ra8 40. Rc2 Ra3 41. Rxb5 Rb3 42. c6 Rc8 43. Rb6 Nd8 44. b5 Nxc6 45. Rxc6 Rd8 46. R2xc3 Rxb5 47. Bg3 Rb1+ 48. Kh2 Rdd1 49. Rc8+ Kh7 50. Be5 h5 51. Kg3 Kg6 52. R3c5 h4+ 53. Kf3 f5 54. R5c6+ Kf7 55. R8c7+ Ke8 56. Rc8+ Kd7 57. R6c7+ Ke6 58. Re8+ Kd5 59. Rd7+ Kc6 60. Rc8+ Kxd7 61. Rf8 Ke6 62. Bd4 Rb3 63. Re8+ Kf7 64. Rc8 Rxd4 65. Rc7+ Ke6 66. Rc6+ Rd6 67. Rc8 Ra6 68. Re8+ Kf7 69. Rc8 Ra4 70. Rc7+ Ke6 71. Rc6+ Kd7 72. Rg6 g4+ 73. hxg4 fxg4+ 74. Ke2 Ra2+ 75. Kd1 Rb1# 0-1
2024.05.28 Titled Tue 28th May Late
528312 Novikova, M (1999) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 d5 5. exd6 cxd6 6. d4 d5 7. Nf3 Nc6 8. h3 Bf5 9. c3 e6 10. O-O h6 11. a4 a5 12. Bf4 Bd6 13. Ne5 Nxe5 14. dxe5 Bc5 15. Qe2 O-O 16. Nd2 Qe7 17. Nf3 Rfc8 18. Be3 Bxe3 19. Qxe3 Nc4 20. Bxc4 Rxc4 21. Nd4 Bh7 22. b3 Rc5 23. f4 Be4 24. c4 Rac8 25. cxd5 exd5 26. Rac1 Rxc1 27. Rxc1 Rxc1+ 28. Qxc1 Qb4 29. Qe3 Qa3 30. Kh2 Qb2 31. f5 Qxg2# 0-1
2024.05.28 Titled Tue 28th May Late
528562 Cogan, N (2110) Burke, Paul 1-0
1. d4 a6 2. c4 d6 3. Nc3 g6 4. e4 h6 5. f4 Bg7 6. Nf3 Nd7 7. Bd3 e6 8. Be3 Ne7 9. O-O O-O 10. Qd2 Kh7 11. Rae1 b6 12. h3 Bb7 13. d5 e5 14. f5 Nf6 15. g4 g5 16. Re2 Rh8 17. a3 Kg8 18. Rh2 Nh7 19. h4 f6 20. Kg2 Qd7 21. Rfh1 Rf8 22. hxg5 Nxg5 23. b4 Kf7 24. Qe1 Ke8 25. Nxg5 hxg5 26. Rxh8 Rxh8 27. Rxh8+ Bxh8 28. Qh1 Bg7 29. c5 bxc5 30. bxc5 c6 31. cxd6 Qxd6 32. Qb1 Bc8 33. Qb3 cxd5 34. exd5 Bf8 35. Bc4 Bxf5 36. gxf5 Nxf5 37. Qa4+ Kf7 38. Bf2 e4 39. Nxe4 Qf4 40. d6+ Kg7 41. Bd3 Nxd6 42. Qd7+ Kh8 43. Qh3+ Kg7 44. Nxd6 1-0
2024.05.28 Titled Tue 28th May Late
528686 Shevchuk, Olexandr (2093) Cogan, N (2110) 1-0
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nc6 5. Nf3 dxc4 6. O-O Bd6 7. Nbd2 c3 8. bxc3 e5 9. Nc4 e4 10. Ng5 Qe7 11. Nxd6+ cxd6 12. Ba3 O-O 13. e3 h6 14. Nh3 Bg4 15. Qc2 g5 16. Kh1 Rfc8 17. Ng1 Qe6 18. Qb3 Qxb3 19. axb3 d5 20. Rfc1 b5 21. Bc5 a5 22. c4 dxc4 23. bxc4 b4 24. d5 Ne5 25. Bd4 Nfd7 26. c5 Nd3 27. Rc4 Nb6 28. Rc2 b3 29. Rd2 1-0
2024.05.28 Titled Tue 28th May Late
528801 Gallegos, Ca (2374) Cogan, N (2110) 1-0
1. e4 Nf6 2. d3 d5 3. Nd2 e5 4. Ngf3 Nc6 5. Be2 Be7 6. O-O O-O 7. h3 h6 8. c3 Be6 9. b4 a6 10. a3 Qd7 11. Re1 Rad8 12. Qc2 Rfe8 13. Bb2 Bf8 14. Bf1 dxe4 15. dxe4 Nh5 16. Nc4 Bxc4 17. Bxc4 b5 18. Bf1 Nf4 19. Rad1 Qe6 20. c4 Nd4 21. Bxd4 exd4 22. Nxd4 bxc4 23. Nxe6 1-0
2024.05.21 Titled Tue 21st May Early
532518 Teterev, V (2257) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. d5 e5 11. dxe6 Bxe6 12. Nf3 Nc6 13. Be2 d5 14. Bxb6 Bxc3+ 15. Rxc3 axb6 16. cxd5 Qxd5 17. Qxd5 Bxd5 18. a4 Rfe8 19. Kf1 Rad8 20. h4 h5 21. Rh3 Be6 22. Rg3 Bg4 23. Re3 Rxe3 24. fxe3 Be6 25. Nd4 Nxd4 26. exd4 Rxd4 27. Rc3 Rxh4 28. Bf3 Rb4 29. Bd1 Kg7 30. Ke1 h4 31. Kd2 g5 32. Re3 Rd4+ 33. Kc1 Bd5 34. Re2 g4 35. Rf2 h3 36. gxh3 gxh3 37. Rh2 Bg2 38. Kc2 f5 39. Be2 f4 40. Kc3 Re4 41. Bg4 f3 42. Bxh3 Re3+ 43. Kd4 Re2 44. Bg4 Rb2 45. Kc3 Rf2 46. Bc8 Kf6 47. Bxb7 Kg5 48. Bxf3 Rxf3+ 49. Kb4 Rf2 50. Kb5 Rf5+ 51. Kxb6 Be4 52. Ka6 Rf6+ 53. Ka7 Rf7+ 54. Kb6 Rb7+ 55. Kc5 Rxb3 56. Re2 Bd3 57. Rd2 Bf5 58. a5 Be4 59. Rd4 Kf4 60. a6 Ra3 61. Kb6 Rb3+ 0-1
2024.05.21 Titled Tue 21st May Early
532663 Cogan, N (2110) Yeritsyan, Hayk (2203) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 d6 6. Bd2 Nbd7 7. Qc2 e5 8. Bd3 Re8 9. dxe5 dxe5 10. Ne4 Bxd2+ 11. Nfxd2 Qe7 12. O-O h6 13. a3 a5 14. Rfd1 Nc5 15. Nxc5 Qxc5 16. b4 Qe7 17. c5 e4 18. Bc4 Bg4 19. Re1 Qe5 20. Nf1 axb4 21. Qb3 Re7 22. Qxb4 c6 23. Ng3 h5 24. h4 g6 25. Be2 Kg7 26. Rad1 Nd5 27. Qb3 Qf6 28. Rd4 Qxh4 29. Rdd1 Bxe2 30. Rxe2 Qf6 31. Red2 h4 32. Ne2 Re5 33. Rd4 h3 34. g3 Qf3 0-1
2024.05.21 Titled Tue 21st May Early
532973 Cogan, N (2110) Toncheva, Nadya (2250) 0-1
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. a4 Nc6 6. e3 Na5 7. Ne5 Be6 8. e4 Nb3 9. Rb1 Qxd4 10. Qxd4 Nxd4 11. Bxc4 Bxc4 12. Nxc4 e6 13. O-O Be7 14. Be3 Nc6 15. f3 O-O 16. Rfd1 Rfd8 17. Kf2 Rxd1 18. Rxd1 Rd8 19. Rxd8+ Bxd8 20. g4 Kf8 21. h4 Nd7 22. h5 Be7 23. Ke2 Bc5 24. Bxc5+ Nxc5 25. Ke3 Ke7 26. f4 Nd7 27. g5 h6 28. Ne2 e5 29. gxh6 gxh6 30. fxe5 Ndxe5 31. Nxe5 Nxe5 32. Ng3 Kf6 33. Kf4 Nd3+ 34. Kg4 Nxb2 35. Nf5 c5 36. Nxh6 c4 37. Nf5 c3 38. h6 Kg6 39. Nd4 Nxa4 40. Kf4 b5 41. Ke3 Nc5 42. Nc2 a5 43. Kd4 Nxe4 44. Kxe4 b4 45. Kd4 Kxh6 46. Kc4 f5 47. Kb3 f4 48. Ka4 f3 49. Kxa5 b3 50. Ne3 c2 51. Ng4+ Kg5 52. Nf2 0-1
2024.05.21 Titled Tue 21st May Early
533204 Golubovskis, Maksims (2176) Cogan, N (2110) 0-1
1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Ne4 5. Qf3 Nxc3 6. bxc3 Nc6 7. d4 b6 8. cxd5 Qxd5 9. Qe3 Bb7 10. Nf3 Na5 11. Bd3 Be7 12. O-O O-O 13. Ng5 Qxg2# 0-1
2024.05.21 Titled Tue 21st May Early
533746 Cogan, N (2110) Kashefi, Amir Hosein (2188) 0-1
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 5. Nc3 Qb6 6. e3 e6 7. Qd2 h6 8. Bh4 Bd7 9. Bd3 Rc8 10. Nf3 Nf6 11. O-O Bd6 12. a3 O-O 13. Rfc1 Na5 14. Bc2 Nc4 15. Qe1 Bb8 16. b4 Nd6 17. Na4 Bxa4 18. Bxa4 Nfe4 19. Bg3 Qa6 20. Bc2 b5 21. Bxd6 Nxd6 22. Ne5 Nc4 23. Nd3 Qd6 24. Nc5 Qxh2+ 25. Kf1 Qh1+ 26. Ke2 Qxg2 27. Qg1 Qxg1 28. Rxg1 Bd6 29. a4 Bxc5 30. dxc5 a6 31. axb5 axb5 32. Ra7 Ra8 33. Rga1 Rxa7 34. Rxa7 Rb8 35. e4 g6 36. exd5 exd5 37. Kd3 Ne5+ 38. Kd4 Nc6+ 39. Kxd5 Nxa7 40. Kd6 Re8 41. Kc7 Re6 42. f3 h5 43. Be4 h4 44. Kb7 Re7+ 45. Kb6 h3 46. Bd5 Nc8+ 47. Kxb5 Rd7 48. Be4 f5 49. Ba8 Ra7 50. Bd5+ Kg7 51. f4 h2 52. c6 Ne7 53. Bf3 Ra3 54. Bg2 Ra2 55. Bf3 Rf2 56. Bh1 Rxf4 57. Kc5 Rf1 58. Kd6 Rc1 59. b5 Nxc6 60. bxc6 Rxh1 61. c7 Rc1 62. Kd7 Rxc7+ 63. Kxc7 Kf6 0-1
2024.05.21 Titled Tue 21st May Early
533931 Khoroshev, N (2352) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. O-O O-O 8. a4 a5 9. Bf4 d5 10. c3 Na6 11. Na3 c5 12. Nc2 c4 13. Ba2 Nxa4 14. Qc1 b5 15. Bh6 Bg4 16. h3 Bxf3 17. gxf3 Qd7 18. Kh2 Qf5 19. Bb1 Qxf3 20. Bxg7 Kxg7 21. Ne3 Nb6 22. Ng4 Nc7 23. Qh6+ Kg8 24. Rg1 Ne6 25. Rg3 Qf4 26. Qh4 h5 27. Nf6+ exf6 28. Qxh5 Ng7 29. Qe2 fxe5 30. dxe5 Rfe8 31. Bc2 Rxe5 32. Qf3 Qxf3 33. Rxf3 f5 34. Rg1 Kf7 35. Rfg3 Re6 36. h4 Rh8 37. Kh3 Nd7 38. Ra1 a4 39. f4 Nf6 40. Rd1 Ngh5 41. Rf3 Rhe8 42. Rd2 Re3 43. Bd1 Rxf3+ 44. Bxf3 Nxf4+ 45. Kg3 N4h5+ 46. Kf2 Re5 47. Rd1 Ne4+ 0-1
2024.05.21 Titled Tue 21st May Early
534211 Cogan, N (2110) Nurgaliyeva, Zarina (2108) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. dxc5 Bxc3+ 6. bxc3 O-O 7. Bg5 Qa5 8. Bxf6 gxf6 9. Qd4 e5 10. Qg4+ Kh8 11. Rc1 Qxc5 12. Qh4 Qe7 13. g3 d6 14. Bg2 Be6 15. O-O Nd7 16. Bh3 Rac8 17. Bxe6 Qxe6 18. Rfd1 Rxc4 19. Rxd6 Qxd6 20. Qxc4 Nb6 21. Qb3 Qc7 22. c4 Nd7 23. Nh4 Qc6 24. Nf5 Qe4 25. Nd6 Qxe2 26. c5 b6 27. Nxf7+ Kg7 28. Nd6 Nxc5 29. Qd5 Nd3 30. Rf1 Nc5 31. Nf5+ Kh8 32. Nh4 Qg4 33. Rd1 Rg8 34. Qf3 Qxh4 0-1
2024.05.21 Titled Tue 21st May Early
534359 Shubenkova, Veronika (2030) Cogan, N (2110) 1-0
1. d4 Nf6 2. e3 c5 3. c3 b6 4. f4 Bb7 5. Nf3 g6 6. Bd3 Bg7 7. O-O d6 8. Qe2 Nbd7 9. e4 O-O 10. d5 e6 11. dxe6 fxe6 12. c4 b5 13. Nc3 bxc4 14. Bxc4 d5 15. exd5 exd5 16. Nxd5 Nxd5 17. Qe6+ Kh8 18. Bxd5 Re8 19. Qf7 Re7 20. Ng5 Rxf7 21. Nxf7+ Kg8 22. Nxd8+ Bxd5 23. Rd1 Bd4+ 24. Kh1 Rxd8 25. a4 Nf6 26. Bd2 Bxb2 27. Rab1 Bd4 28. h3 Nh5 29. Kh2 Be4 30. Rb5 Be3 31. Re1 Bxd2 32. Rxe4 Bxf4+ 33. Kg1 Bd6 34. Rb7 Nf6 35. Re6 1-0
2024.05.21 Titled Tue 21st May Early
534622 Sahin, Sarp (2102) Cogan, N (2110) 0-1
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. Nc3 Be7 7. Qb3 Qc8 8. d3 O-O 9. Re1 dxc4 10. Qxc4 Nbd7 11. Qb3 h6 12. Qc2 Rd8 13. b3 a5 14. Bb2 Nb6 15. a4 Nbd5 16. Na2 Bg6 17. Ne5 Bh7 18. Nc4 Ra6 19. Rad1 b5 20. Ne5 Qb7 21. Ba1 bxa4 0-1
2024.05.21 Titled Tue 21st May Early
534975 Cogan, N (2110) Martinez Pla, Xavier (2261) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 b6 6. Bd3 Bb7 7. O-O d5 8. cxd5 exd5 9. Ne5 c5 10. a3 cxd4 11. exd4 Bd6 12. Re1 Nc6 13. Bg5 Nxd4 14. Bxh7+ Kxh7 15. Qxd4 Rc8 16. Rad1 Kg8 17. Rd3 Re8 18. Rf3 Rc4 19. Bxf6 Rxd4 20. Bxd8 Bxe5 21. Bg5 Bxh2+ 22. Kf1 Rxe1+ 23. Kxe1 Bd6 24. Re3 Bc6 25. Be7 Bf4 26. Re2 Rd3 27. g3 Bc7 28. Rc2 Be5 29. Ke2 Rd4 30. f4 Bb8 31. Ke3 Rc4 32. Rd2 f6 33. Nxd5 Kf7 34. Bb4 a5 35. Bc3 Ba7 36. Ke2 Re4+ 37. Kd1 Bxd5 38. Rxd5 Ke6 39. Rd3 a4 40. Bd4 g5 41. fxg5 fxg5 42. Kd2 Kf5 43. Bg7 Bb8 44. Bd4 Bc7 45. Bc3 Bxg3 46. Rxg3 b5 47. Rg2 g4 48. Rf2+ Ke6 49. Rg2 Kd5 50. Bb4 Kc4 51. Bc3 Kb3 52. Kd3 Rc4 53. Ke3 b4 54. Bxb4 Ka2 55. Kd3 Kb3 56. Rg3 Rf4 57. Bc3 Rc4 58. Bd4 Rc1 59. Rxg4 Rd1+ 60. Ke4 Kc4 61. Ke5 Re1+ 62. Re4 Rd1 63. Bc3+ Kb3 64. Rb4+ Kc2 65. Rxa4 Rd3 66. Rd4 Rh3 67. Kd5 Kb3 68. Rb4+ Ka2 69. Kc4 Rh4+ 70. Bd4 Rh3 71. a4 Rh5 72. Bc5 Kb1 73. a5 Ka2 74. Kb5 Ka1 75. a6 Kb1 76. a7 Kc2 77. Rc4+ Kd3 78. Ra4 Rh8 79. Bd6 Ra8 80. Bb8 Kc2 81. Kb6 Kb3 82. Kb7 Kxa4 83. Kxa8 Kb5 84. Kb7 Kb4 85. a8=Q Kb3 86. Qa6 Kc2 87. Qc4+ Kb1 88. b4 Ka1 89. Qe2 Kb1 90. b5 Kc1 91. b6 Kb1 92. Be5 Kc1 93. Kc8 Kb1 94. Qb2# 1-0
2024.05.21 Titled Tue 21st May Early
535149 Cogan, N (2110) Meduri, Aakaash (2023) 0-1
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 5. Nc3 h6 6. Bh4 g5 7. Bg3 a6 8. e3 Bg7 9. Bd3 Nf6 10. Nf3 O-O 11. O-O Bg4 12. h3 Bh5 13. Rc1 Na5 14. Na4 Ne4 15. Bh2 Rc8 16. Rxc8 Qxc8 17. g4 Bg6 18. Ne5 Bh7 19. b4 Nc6 20. Nxc6 Qxc6 21. Nc5 f5 22. a4 fxg4 23. hxg4 h5 24. f3 Nf6 25. Bxh7+ Kxh7 26. Be5 b6 27. Nd3 Qc3 28. Rf2 h4 29. f4 Ne4 30. Rg2 Bxe5 31. dxe5 Rc8 32. f5 Kg7 33. f6+ exf6 34. exf6+ Qxf6 35. Qf1 Qxf1+ 36. Kxf1 Rc3 37. Ne5 Rxe3 38. Rc2 Ng3+ 39. Kg2 Rxe5 40. Rc7+ Kf6 41. Rc6+ Re6 42. Rc8 Rd6 43. Rf8+ Ke5 44. Rf3 d4 45. b5 axb5 46. axb5 d3 47. Rf1 d2 48. Rd1 Ke4 49. Kf2 Kd3 50. Kf3 Kc2 51. Rg1 d1=Q+ 52. Rxd1 Rxd1 53. Kg2 Rd2+ 54. Kh3 Rd4 55. Kg2 Rxg4 56. Kh3 Rb4 57. Kg2 Rxb5 58. Kh3 Rc5 59. Kg2 Kd3 60. Kh3 Ke4 61. Kg2 Kf4 62. Kh3 Kf3 63. Kh2 Rc2+ 64. Kh3 g4+ 65. Kxh4 Rh2+ 66. Kg5 Rh5+ 67. Kf6 b5 68. Kg6 b4 69. Kf6 b3 70. Ke6 b2 71. Kf6 b1=Q 72. Kg7 Qb6 73. Kf7 Ra5 74. Kg7 Ra7+ 75. Kg8 Qd8# 0-1
2024.05.07 Titled Tue 7th May Early
547935 Laddha, Shubh Jayesh (2325) Cogan, N (2110) 1-0
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. c4 c6 7. Qb3 Qb6 8. Qc2 Be7 9. Nc3 Nbd7 10. cxd5 exd5 11. e4 dxe4 12. dxe4 Be6 13. Be3 Qa6 14. Nd4 Bc4 15. Rfd1 Qa5 16. Nf5 Be6 17. Nxg7+ Kf8 18. Nxe6+ fxe6 19. a3 Kf7 20. b4 Qc7 21. Qa2 Qe5 22. Bd4 Qh5 23. h3 Rhd8 24. Ne2 Nf8 25. Nf4 Qg5 26. h4 Qg8 27. Bh3 Ng4 28. f3 Bxh4 29. Bxg4 Bxg3 30. Nxe6 Bf2+ 1-0
2024.05.07 Titled Tue 7th May Early
548457 Cogan, N (2110) Rodriguez, Sa (2252) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. Nf3 cxd4 7. Nxd4 O-O 8. Be3 Nc6 9. Qd2 Ng4 10. Bg1 Nxd4 11. Bxd4 Bxd4 12. Qxd4 Qb6 13. Qxb6 axb6 14. Nd5 e5 15. h3 Nh6 16. fxe5 dxe5 17. Nxb6 Ra6 18. Nd5 f5 19. Bd3 fxe4 20. Bxe4 Nf5 21. O-O Ng3 22. Rxf8+ Kxf8 23. Bc2 Ne2+ 24. Kf2 Nd4 25. Be4 Bf5 26. Ke3 Rc6 27. Rc1 Ne6 28. b3 Rc8 29. Rf1 Kg7 30. Bxf5 gxf5 31. Rxf5 Ra8 32. a4 Nc5 33. Rxe5 Nxb3 34. Re7+ Kh6 35. Rxb7 Na5 36. Rb6+ Kg5 37. Kd4 Rc8 38. Ne3 Nc6+ 39. Kc3 Ne7 40. a5 Kf4 41. Re6 Nf5 42. Nd5+ Kg3 43. Re2 Nh4 44. Ne3 Re8 45. a6 Nxg2 46. Rxg2+ Kf3 47. Ra2 Rxe3+ 48. Kb4 Re8 49. a7 Ra8 50. Kb5 Ke4 51. Kb6 Kd4 52. Kb7 Rf8 53. a8=Q Rf7+ 54. Kc6 Rf6+ 55. Kd7 Rf7+ 56. Ke6 Rf4 57. Qd5+ Ke3 58. Qe5+ Re4 59. c5 h5 60. Ra3+ Kf2 61. Qxe4 h4 62. Qc2+ Kg1 63. Ra1# 1-0
2024.05.07 Titled Tue 7th May Early
548669 Cogan, N (2110) Santos Flores, A (2191) 0-1
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. Nf3 Nd7 8. e3 Bb4 9. Rc1 Kc8 10. a3 Bxc3+ 11. Rxc3 Ne4 12. Rc1 a5 13. Bh4 f6 14. Nd2 Ndc5 15. Nxe4 Nxe4 16. f3 Nc5 17. Bf2 a4 18. Be2 Rd8 19. e4 Nb3 20. Rc3 Nd4 21. f4 exf4 22. c5 Ra5 23. h4 Nb3 24. O-O Rd2 25. Bf3 Rxb2 26. Rd1 Rd2 27. Rxd2 Nxd2 28. Be1 Nxf3+ 29. gxf3 Rb5 30. Bd2 g5 31. hxg5 fxg5 32. Kf2 Rb2 33. Ke1 Ra2 34. Ke2 h5 35. Ke1 h4 36. Rd3 h3 37. Kf2 Bb3 38. Kg1 Rxa3 39. Kh2 b5 40. cxb6 cxb6 41. Rc3+ Kb7 42. Kxh3 Be6+ 43. Kg2 Rxc3 44. Bxc3 Kc6 45. Kf2 Kc5 46. Bf6 g4 47. fxg4 Bxg4 48. Be7+ Kc4 49. e5 b5 50. Bd6 b4 51. Ke1 a3 52. e6 Bxe6 53. Bxf4 b3 54. Be5 b2 55. Kd2 0-1
2024.05.07 Titled Tue 7th May Early
548938 Loay, Sameer (2210) Cogan, N (2110) 1-0
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Bd6 6. Nbd2 h6 7. b3 O-O 8. Bb2 Nbd7 9. Re1 Bh7 10. e4 dxe4 11. dxe4 e5 12. Nh4 Qe7 13. Nf5 Bxf5 14. exf5 c6 15. Ne4 Nxe4 16. Bxe4 Rad8 17. Qe2 Nf6 18. Bg2 Rfe8 19. Qc4 e4 20. Rad1 Be5 21. Bc1 Rxd1 22. Rxd1 Bc7 23. Re1 Qe5 24. Bf4 Qe7 25. Bxc7 Qxc7 26. Bxe4 Qe5 27. f3 Qa5 28. b4 Qb6+ 29. Kg2 Nd5 30. Qc5 Qxb4 31. Qxb4 Nxb4 32. Rb1 Nxa2 33. Rxb7 Nc3 34. Bd3 Ra8 35. Ba6 Nd5 36. c4 Ne3+ 37. Kf2 Nxf5 38. Rc7 Nd4 39. Ke3 c5 40. Rxc5 Ne6 41. Ra5 Kf8 42. Bb7 Rb8 43. Rxa7 Nc5 44. Bd5 Ne6 45. Bxe6 fxe6 46. Kd4 Rb3 47. c5 Rxf3 48. c6 Rf2 49. Kd3 Rf1 50. Kd2 Rf5 51. c7 Rc5 52. Ra8+ Ke7 53. c8=Q Rxc8 54. Rxc8 Kf6 55. Ke3 1-0
2024.05.07 Titled Tue 7th May Early
549335 Cogan, N (2110) Shuvalov, E (1995) 1/2-1/2
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 c5 6. dxc5 Bg7 7. Rc1 Nxc3 8. Bxc3 Bxc3+ 9. Rxc3 Qxd1+ 10. Kxd1 Be6 11. b3 Nc6 12. Nf3 Nb4 13. a3 O-O-O+ 14. Ke1 Bxb3 15. Nd2 Rxd2 16. Kxd2 Rd8+ 17. Kc1 Na2+ 18. Kb2 Nxc3 19. Kxc3 Ba4 20. g3 Bc6 21. f3 f5 22. Bg2 Rd5 23. e4 Rxc5+ 24. Kd4 Rc2 25. Bh3 Bd7 26. Ke5 Rc3 27. a4 Rxf3 28. exf5 Bxf5 29. Rc1+ Kd8 30. Bg2 Rb3 31. Kf4 Rb4+ 32. Kg5 Rxa4 33. Bxb7 Rb4 34. Bf3 a5 35. Kh6 a4 36. Kxh7 a3 37. Ra1 Ra4 38. Bd5 Kd7 39. Bb3 Ra8 40. g4 Bd3 41. Kg7 Kc6 42. h4 Kc5 43. h5 gxh5 44. gxh5 e5 45. h6 Kb4 46. Bd5 Ra7+ 47. Bf7 Kc3 48. Kg8 Kd2 49. Kg7 Bc4 50. Rf1 Bxf1 51. h7 Ra8 52. Bg8 Bc4 53. Bxc4 Ra7+ 54. Bf7 Ra8 55. Bg8 Ra7+ 56. Bf7 Ra8 57. Bg8 Ra7+ 58. Bf7 1/2-1/2
2024.05.07 Titled Tue 7th May Early
549624 Mirza, Diana (1981) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Nf3 Bg7 8. Be3 O-O 9. Be2 Bg4 10. O-O Nc6 11. d5 Bxf3 12. Bxf3 Ne5 13. Bxb6 Nxf3+ 14. Qxf3 Qxb6 15. Rab1 Rac8 16. b3 a6 17. Ne4 Qa5 18. Qe2 b5 19. f4 bxc4 20. bxc4 Rb8 21. f5 Rxb1 22. Rxb1 gxf5 23. Ng3 Qc5+ 24. Kh1 Bf6 25. Nxf5 Kh8 26. Nxe7 Qa7 27. Nc6 Qd7 28. Qf2 Bg7 29. Re1 Qg4 30. Qe2 Qxe2 31. Rxe2 Bf6 32. Rf2 Kg7 33. h3 Re8 34. Nb4 Re1+ 35. Kh2 Be5+ 36. g3 Re3 37. Rg2 h5 38. Nxa6 h4 39. Nc7 hxg3+ 40. Kh1 Re1+ 41. Rg1 Re2 42. Rg2 Re4 43. Ne8+ Kg6 44. Rc2 Re1+ 45. Kg2 Kf5 46. Nc7 Ke4 47. c5 f5 48. cxd6 Bxd6 49. Ne8 Be7 50. d6 Bd8 51. d7 f4 52. Rc4+ Kd3 53. Rxf4 Re7 54. Rf3+ Ke4 55. Rxg3 Rxd7 56. Rg8 Rd2+ 57. Kg3 Rxa2 58. Ng7 Bc7+ 59. Kg4 Rg2+ 60. Kh5 Be5 61. Kh6 Rh2 62. Nh5 Rxh3 63. Rg4+ Kf5 64. Rg5+ Ke6 65. Kg6 Rb3 66. Ng7+ Kd5 0-1
2024.05.07 Titled Tue 7th May Early
549746 Berezin, V UKR (2307) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. Nc3 Nb6 4. f4 d6 5. d4 g6 6. Nf3 Bg7 7. h3 O-O 8. Bd3 dxe5 9. dxe5 Nc6 10. O-O Be6 11. b3 Nd4 12. Be4 Nxf3+ 13. Qxf3 c6 14. Be3 Nd5 15. Rad1 Qa5 16. Nxd5 cxd5 17. Bxd5 Bxd5 18. Rxd5 Qxa2 19. Rd2 Rac8 20. Rff2 b6 21. Qb7 e6 22. Kh2 Rfd8 23. Rd6 Bf8 24. Rd7 Rxd7 25. Qxc8 Rd1 26. f5 Qa5 27. Qb8 Qd5 28. Bh6 Qd8 29. Qxd8 Rxd8 30. Bxf8 Kxf8 31. fxe6 Re8 32. Rxf7+ Kg8 33. Rxa7 Rxe6 34. Rb7 h6 35. Kg3 Kf8 36. Kf4 Ke8 37. Ke4 Kd8 38. Kd5 Re8 39. Kd6 1-0
2024.05.07 Titled Tue 7th May Early
549953 Cogan, N (2110) Erzhanov, A (2152) 0-1
1. d4 d6 2. c4 e5 3. e3 Nd7 4. Nc3 Ngf6 5. Bd3 g6 6. Nge2 Bg7 7. O-O O-O 8. b3 Re8 9. Qc2 c6 10. Bb2 Qe7 11. Rac1 e4 12. a4 exd3 13. Qxd3 Ne4 14. Nd1 f5 15. f3 Nef6 16. Ba3 c5 17. b4 b6 18. a5 Ba6 19. b5 Bc8 20. a6 Nf8 21. Re1 Be6 22. Rc2 Rad8 23. d5 Bc8 24. Bc1 N6d7 25. f4 Nf6 26. Rf1 Ne4 27. Rf3 Nd7 28. h3 Ndf6 29. Kh2 h5 30. Ra2 Kf7 31. Rc2 Rh8 32. Ra2 Rde8 33. Rc2 Ng4+ 34. Kg1 Ngf6 35. Bb2 h4 36. Bc1 Nh5 37. Kh2 Nhg3 38. Nxg3 hxg3+ 39. Kg1 Bf6 40. Bd2 Bh4 41. Be1 Rhg8 42. Qe2 Ref8 43. Nc3 Ke8 44. Nxe4 Qxe4 45. Bxg3 Bxg3 46. Rxg3 Kd8 47. Rc1 Re8 48. Rf3 Kc7 49. Kh1 g5 50. fxg5 Rxg5 51. Rcf1 Reg8 52. Qf2 Rxg2 53. Qxg2 Rxg2 54. Kxg2 Qxc4 55. Rf4 Qxb5 56. h4 Qxa6 57. h5 Qe2+ 0-1
2024.05.07 Titled Tue 7th May Early
550134 Cogan, N (2110) Bogaudinov, R (1913) 0-1
1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 c6 5. Qc2 Nf6 6. Bg5 Be7 7. e3 Nbd7 8. Bd3 h6 9. Bh4 O-O 10. Nge2 Re8 11. O-O Nh5 12. Bxe7 Qxe7 13. Rab1 a5 14. a3 g6 15. Rfc1 Ndf6 16. Na4 Bg4 17. Ng3 Nxg3 18. hxg3 h5 19. Nb6 Kg7 20. Nxa8 Rxa8 21. Qc5 Qe6 22. b4 Nd7 23. b5 Nxc5 24. Rxc5 Rh8 25. bxc6 bxc6 26. Rb6 Rc8 27. Rxa5 Qe7 28. Rc5 h4 29. gxh4 Qxh4 30. a4 Rh8 31. f3 Qe1+ 32. Bf1 Qxe3# 0-1
2024.05.07 Titled Tue 7th May Early
550512 Bestard Borras, M (2113) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. h3 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Nc6 10. Be3 Bf5 11. Nc3 h6 12. Rc1 Kh7 13. b3 d5 14. c5 Nc8 15. a3 e6 16. b4 a6 17. Qb3 N8e7 18. Rfd1 Be4 19. Nd2 Nf5 20. Ndxe4 dxe4 21. Nxe4 Ncxd4 22. Bxd4 Nxd4 23. Qe3 Nxe2+ 24. Qxe2 Qe7 25. Rd3 Rad8 26. Rcd1 e5 27. Qd2 Rxd3 28. Qxd3 f5 29. Nd6 Rd8 30. Qd5 Rd7 31. Rd3 e4 32. Rb3 Be5 33. b5 Bxd6 34. cxd6 Rxd6 35. Qc4 a5 36. a4 h5 37. Rc3 Rd1+ 38. Kh2 Qd6+ 39. g3 Qd4 40. Qxd4 Rxd4 41. Rc7+ Kh6 42. Rxb7 Rxa4 43. Ra7 Kg5 44. b6 Ra2 45. Kg1 Rb2 46. Rxa5 Rxb6 47. Ra3 Kf6 48. h4 Ke5 49. Ra5+ Kd4 50. Ra4+ Ke5 51. Ra5+ Ke6 52. Ra4 Rd6 53. Ra3 Rc6 54. Kg2 Kd5 55. Ra5+ Rc5 56. Ra8 Rc6 57. Rd8+ Rd6 58. Re8 Kd4 59. Ra8 Rc6 60. Ra4+ Rc4 61. Ra6 Rc2 62. Rd6+ Ke5 63. Rxg6 e3 64. Kf1 Rxf2+ 65. Ke1 Rg2 66. Rg5 Ke4 67. Rxh5 Kf3 68. Rxf5+ Ke4 69. Rf4+ Kd3 0-1
2024.05.07 Titled Tue 7th May Early
550610 Lehtosaari, Mauri (2150) Cogan, N (2110) 0-1
1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 Be7 5. e3 O-O 6. Bd3 c5 7. c3 h6 8. Bh4 Nfd7 9. Bg3 Nc6 10. Rc1 b6 11. O-O Bb7 12. Ne5 cxd4 13. Nxc6 Bxc6 14. cxd4 Bb7 15. Rc7 Bc8 16. Qc2 e5 17. Rc1 Bd6 18. Rc6 Qe7 19. Rxc8 Raxc8 20. Qxc8 Rxc8 21. Rxc8+ Nf8 22. Nb3 g6 23. Bb5 Kg7 24. h3 e4 25. Re8 Qc7 26. Bxd6 Qxd6 27. Rc8 Ne6 0-1
2024.04.30 Titled Tue 30th Apr Early
556064 Velikanov, A (2387) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6 6. Nc3 Bg7 7. Be3 O-O 8. Be2 dxe5 9. fxe5 N8d7 10. Nf3 Nb8 11. h3 c5 12. d5 N8d7 13. Bf4 Qc7 14. Nb5 Qd8 15. O-O a6 16. Nc3 Qc7 17. d6 exd6 18. exd6 Qd8 19. Qd2 Re8 20. Rad1 Ne5 21. Ng5 Be6 22. b3 Qd7 23. Nge4 Bf5 24. Nxc5 Qc6 25. Nd3 Ned7 26. Nf2 Rad8 27. Bf3 Qc8 28. Nd5 Nxd5 29. Bxd5 Nf6 30. Bf3 Ne4 31. Nxe4 Bxe4 32. Bg4 f5 33. Be2 Be5 34. Kh1 Qc6 35. Bf3 Rxd6 36. Bxe4 Rxd2 37. Bxc6 Rxd1 38. Rxd1 bxc6 39. Re1 Kf7 40. Rxe5 Rd8 41. Rc5 Rd1+ 42. Kh2 Rf1 43. Bg3 h5 44. Rxc6 f4 45. Bh4 Ra1 46. Rf6+ Kg7 47. Rxf4 Rxa2 48. Rf3 Kh6 49. Bf6 g5 50. Rg3 Kg6 51. Bxg5 Kf5 52. Bh4 Rb2 53. Rf3+ Ke4 54. Bf6 a5 55. Bxb2 1-0
2024.04.30 Titled Tue 30th Apr Early
556380 Kochiev, Ivan (2064) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Nc3 Bg7 8. Be2 O-O 9. Be3 Bg4 10. h3 Bxf3 11. Bxf3 Nc6 12. b3 e6 13. O-O d5 14. c5 Nc8 15. b4 a6 16. Rb1 N8e7 17. b5 axb5 18. Rxb5 Nf5 19. Ne2 Na5 20. Qd3 Nc4 21. Rxb7 Rxa2 22. Rfb1 h5 23. c6 Nfd6 24. Rd7 Qc8 25. Nf4 Qxc6 26. Re7 Nf5 27. Reb7 Ra3 28. R1b3 Rfa8 29. Rxa3 Rxa3 30. Rb3 Ra1+ 31. Kh2 Nfxe3 32. fxe3 Qc7 33. g3 Ra2+ 34. Kg1 Rd2 35. Qb1 Qa7 36. Rb8+ Kh7 37. Nxh5 Nxe3 38. Nxg7 Kxg7 39. Rb2 Qxd4 40. Rxd2 Qxd2 41. Qa1+ d4 42. Qb1 Nc2 43. h4 Qe1+ 44. Qxe1 Nxe1 45. Be4 f5 46. Bb1 d3 47. Kf2 Nc2 48. Kf1 e5 49. Kf2 e4 50. Kf1 Nd4 51. Kf2 Kh6 52. Ke3 Nc2+ 53. Kf4 Na3 54. Ba2 d2 55. Bb3 Nc4 56. Bc2 Nb2 57. Ke3 d1=Q 58. Bxd1 Nxd1+ 59. Kf4 Nb2 60. g4 Nd3+ 61. Ke3 fxg4 62. Kxe4 Nc5+ 63. Kf4 Kh5 64. Kg3 Nd7 65. Kf4 Nf6 66. Kg3 Nh7 67. Kg2 Kxh4 68. Kh2 g5 69. Kg2 Nf6 70. Kg1 Nh5 71. Kh1 Nf4 72. Kh2 g3+ 73. Kh1 Kh3 74. Kg1 g2 75. Kf2 Kh2 76. Kf3 0-1
2024.04.30 Titled Tue 30th Apr Early
556616 Cogan, N (2110) Kozganbayev, E (2282) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 d5 6. cxd5 exd5 7. Bd3 b6 8. O-O Bb7 9. Bd2 Nbd7 10. Rc1 a6 11. Nh4 Re8 12. Nf5 Bf8 13. Rc2 g6 14. Nh4 Bd6 15. Nf3 Ne4 16. Be1 Qf6 17. Nd2 Nxd2 18. Qxd2 Qh4 19. f4 Qe7 20. Rf3 f5 21. h3 Qe6 22. Bf2 Nf6 23. b3 Bb4 24. Qe2 Bd6 25. Nd1 Ne4 26. Bxe4 Qxe4 27. Rg3 a5 28. Nb2 Ba6 29. Qd2 Bb5 30. Rc1 a4 31. b4 a3 32. Nd1 Qd3 33. Qxd3 Bxd3 34. Rc3 Bc4 35. Rc1 Bxa2 36. Nc3 Bc4 37. Be1 a2 38. Ra1 Bxb4 39. Rf3 Ra3 40. Nxd5 Bxe1 41. Nf6+ Kf7 42. Nxe8 Bc3 43. Rff1 Bxa1 44. Nd6+ cxd6 45. Rxa1 Ra4 46. g4 Rb4 47. gxf5 Rb1+ 48. Kf2 Rxa1 49. fxg6+ hxg6 50. Kf3 Rb1 51. Ke4 a1=Q 52. Kf3 Rf1+ 53. Kg4 Qd1+ 54. Kh4 Qh5+ 0-1
2024.04.30 Titled Tue 30th Apr Early
556905 Nanu, C (2525) Cogan, N (2110) 1-0
1. e3 d5 2. c4 c6 3. Nf3 Nf6 4. b3 Bg4 5. Bb2 e6 6. cxd5 cxd5 7. Be2 Nbd7 8. O-O Bd6 9. d3 O-O 10. Nbd2 Qe7 11. a3 a6 12. h3 Bh5 13. Qb1 b5 14. Rc1 Rfc8 15. b4 h6 16. Nb3 Bg6 17. Nfd4 Nb6 18. Qa2 Qd7 19. Nc5 Qe7 20. Ndb3 e5 21. Rc2 Nbd7 22. Rac1 Nxc5 23. Nxc5 a5 24. Qb3 axb4 25. axb4 Kh7 26. Bf3 e4 27. Be2 exd3 28. Bxd3 Ne4 29. Qxd5 Nxc5 30. Bxg6+ fxg6 31. bxc5 Bc7 32. c6 b4 33. Qd7 Re8 34. Bd4 Rab8 35. Rb2 b3 36. Qxe7 Rxe7 37. Rc3 Re6 38. Kf1 g5 39. Ke2 Kg6 40. Kd3 Kf7 41. f3 g6 42. Rc4 Ke7 43. Bc5+ Ke8 44. Bb4 h5 45. Rxb3 Rb5 46. Rbc3 Rd5+ 47. Rd4 Rb5 48. Bc5 Ra5 49. Re4 Be5 50. Bd4 Rd5 51. Kc4 Ra5 52. Rxe5 Rexe5 53. Bxe5 Rxe5 54. Kd4 Ra5 55. c7 Ra4+ 56. Kd3 Kd7 57. c8=Q+ 1-0
2024.04.30 Titled Tue 30th Apr Early
557098 Cogan, N (2110) Nadera, B (2129) 1-0
1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 Qxg2 9. Bf3 Qg5 10. Ne2 a5 11. Bc3 Nf6 12. Qd3 O-O 13. Rg1 Qh6 14. Bd2 Qh3 15. O-O-O Qf5 16. Qxf5 exf5 17. Bc3 Ne8 18. Nf4 g6 19. Rd8 Nc7 20. Rgd1 Ne6 21. Rxf8+ Kxf8 22. Bf6 Nd7 23. Nxe6+ fxe6 24. Bg5 Kf7 25. h4 Ne5 26. Be2 b6 27. h5 Ra7 28. hxg6+ hxg6 29. Rh1 1-0
2024.04.30 Titled Tue 30th Apr Early
557423 Hungaski, R (2471) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 g6 7. Nc3 Bg7 8. c5 Nd5 9. Bc4 c6 10. Nf3 O-O 11. Qb3 Nc7 12. O-O Be6 13. Bxe6 Nxe6 14. Qxb7 Nd7 15. Qxc6 Rc8 16. Qe4 Nb8 17. Be3 Na6 18. a3 Qd7 19. b4 Rfd8 20. Rad1 h6 21. h4 Nac7 22. d5 Nf8 23. c6 Qe8 24. Bxa7 Ra8 25. Bb6 Rdc8 26. Bxc7 Rxc7 27. a4 Qb8 28. b5 Qb6+ 29. Kh1 Rcc8 30. d6 exd6 31. exd6 Re8 32. Qc4 Ne6 33. Nd5 Qa7 34. d7 Red8 35. b6 Qxa4 36. Qxa4 Rxa4 37. c7 Raa8 38. cxd8=Q+ Rxd8 39. Ne7+ Kf8 40. Nc6 Bc3 41. Nxd8 Nxd8 42. Rc1 Ba5 43. Rc8 Bxb6 44. Re1 f5 45. Re8+ Kf7 46. Ne5+ Kf6 47. Nc4 Ba5 48. g3 g5 49. hxg5+ hxg5 50. Kg2 f4 51. gxf4 gxf4 52. Kf3 Kf5 53. Re5+ Kf6 54. Rxa5 Ke6 55. Rxd8 Ke7 56. Re8+ Kxd7 57. Re1 Kc6 58. Nd2 Kd6 59. Rae5 Kd7 60. Kxf4 Kd6 61. Nf3 Kd7 62. R5e2 Kd6 63. Rd2+ Kc5 64. Rc1+ Kb4 65. Rb2+ Ka3 66. Rb8 Ka4 67. Rc7 Ka5 68. Ra7# 1-0
2024.04.30 Titled Tue 30th Apr Early
557701 Cogan, N (2110) Mirzoev, A (2447) 0-1
1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Bg5 Qb6 5. Nc3 e6 6. Qd2 Nc6 7. e3 h6 8. Bh4 Be7 9. Bxe7 Ngxe7 10. Bd3 O-O 11. Nf3 Nb4 12. Bb1 Bd7 13. a3 Nbc6 14. O-O Rfc8 15. b4 Be8 16. Qd3 Ng6 17. Na4 Qd8 18. Nc5 Rc7 19. Rc1 Nce7 20. Ba2 Rac8 21. Qd2 Qd6 22. Bb3 Bb5 23. a4 Be8 24. Nd3 Nf5 25. Rxc7 Rxc7 26. Rc1 Qd8 27. Rc2 Nd6 28. Qc1 Rxc2 29. Qxc2 b6 30. b5 Nb7 31. Nd2 Na5 32. Ba2 Ne7 33. Nb3 Nc4 34. Nb4 Qd6 35. Qc3 Nf5 36. g3 h5 37. Nc1 Na5 38. Bb1 Ne7 39. Ncd3 g6 40. Ne5 Kg7 41. h4 Qd8 42. Bd3 Qc8 43. Qxc8 Nxc8 44. Kf1 Nd6 45. Ke2 Kf8 46. f3 Ke7 47. Kd2 Kd8 48. Kc3 Kc7 49. e4 dxe4 50. fxe4 Nc8 51. d5 Kd6 52. Nf3 exd5 53. Nxd5 Nb7 54. Nf6 Ke7 55. Nd5+ Kd8 56. Bc4 Nc5 57. Kd4 Nxa4 58. Ke5 Nc5 59. Kf4 Nd3+ 60. Kg5 Nd6 61. e5 Nxc4 62. Nf6 Ndxe5 63. Kh6 Nxf3 64. Ng8 Nfe5 65. Kg7 Bxb5 66. Kf8 a5 67. Nf6 a4 68. Ne4 a3 69. Nc3 Bc6 70. Na2 b5 71. Nb4 Bd7 72. Kg7 Nc6 73. Kf6 Nxb4 74. Kg5 a2 75. Kh6 a1=Q 76. g4 hxg4 77. Kh7 Qf6 78. h5 gxh5 79. Kg8 Qg6+ 80. Kh8 Qf5 81. Kg8 h4 82. Kf8 h3 83. Kg8 h2 84. Kh8 h1=Q+ 85. Kg8 Qhh7+ 86. Kf8 Qh8# 0-1
2024.04.30 Titled Tue 30th Apr Early
557912 Demina, M (1962) Cogan, N (2110) 1-0
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Qc2 O-O 6. e3 b6 7. Bd3 Bb7 8. Ne5 Nbd7 9. f4 dxc4 10. Bxc4 c5 11. O-O cxd4 12. exd4 Bxc3 13. bxc3 Ne4 14. Ba3 Re8 15. Bd3 Ndf6 16. Rae1 Qd5 17. Nf3 Nd6 18. c4 Qc6 19. Ne5 Qc7 20. Qe2 Rac8 21. Rc1 Nf5 22. Qf2 Red8 23. Bb2 Qb8 24. Rfd1 Ne4 25. Qe2 Nf6 26. Bb1 a6 27. g4 Nh4 28. Qf2 Ng6 29. h4 Qa8 30. h5 Nf8 31. Qh2 Ne4 32. h6 g6 33. Qh4 f6 34. Nd3 Rd7 35. Nf2 Nxf2 36. Qxf2 Rf7 37. Qh2 Re8 38. Re1 Bc6 39. Rcd1 Qb8 40. Qf2 Rfe7 41. Be4 Qb7 42. Qf3 Bxe4 43. Qxe4 Qxe4 44. Rxe4 Rd7 45. Rde1 Red8 46. g5 Kf7 47. gxf6 Kxf6 48. d5+ Kf7 49. dxe6+ Nxe6 50. Rxe6 Rd1 51. Re7+ Kf8 52. Bg7+ Kg8 53. Re8+ Kf7 54. Kf2 R8d2+ 55. R1e2 Rxe2+ 56. Rxe2 Rc1 57. Re4 Rc2+ 58. Re2 Rxc4 59. Kf3 Rc3+ 60. Kg4 Rc6 61. Rd2 Ke6 62. Be5 b5 63. Rd8 b4 64. Re8+ Kd5 65. Rh8 a5 66. Rxh7 Rc2 67. Rg7 Ke4 68. h7 Rg2+ 69. Kh3 Rh2+ 70. Kxh2 b3 71. axb3 1-0
2024.04.30 Titled Tue 30th Apr Early
557989 Cogan, N (2110) Sickmann, Lisa (2050) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. f4 O-O 6. Nf3 c5 7. d5 Nbd7 8. Be2 Re8 9. O-O a6 10. a4 Qc7 11. Be3 Nf8 12. Kh1 e6 13. e5 Ng4 14. Bg1 dxe5 15. h3 Nh6 16. fxe5 Bxe5 17. Nxe5 Qxe5 18. Bh2 Qd4 19. Qc2 exd5 20. Nxd5 Bf5 21. Qc1 Rxe2 22. Qxh6 Nd7 0-1
2024.04.23 Titled Tue 23rd Apr Early
564294 Jakubowski, K (2462) Cogan, N (2110) 1-0
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. h3 Bh5 8. e4 c5 9. Qe2 Nc6 10. g4 Bg6 11. e5 Nd7 12. Re1 Qc7 13. Nf1 Rac8 14. Bf4 Nd4 15. Nxd4 cxd4 16. Rac1 Qb6 17. b3 Ba3 18. h4 Bxc1 19. Rxc1 h6 20. h5 Bh7 21. g5 hxg5 22. Bxg5 Rc6 23. Nh2 Rfc8 24. h6 Qc7 25. hxg7 Qxe5 26. Qh5 Qxg7 27. Ng4 Bg6 28. Qh4 e5 29. Bxd5 Rd6 30. Nh6+ Kf8 31. Be7+ Ke8 32. Bxd6 Nf6 33. Bg2 e4 34. dxe4 Rd8 35. e5 1-0
2024.04.23 Titled Tue 23rd Apr Early
564642 Cogan, N (2110) Ramu, K (2197) 1-0
1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Nbd7 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qe8 13. O-O Ngxe5 14. Nb5 Nxf3+ 15. Bxf3 Rb8 16. d6 Nf6 17. Nc7 Qd7 18. Qd2 Rd8 19. Rad1 h6 20. Bxh6 Bxh6 21. Qxh6 Rf8 22. Qh4 Nh7 23. Bd5 Kg7 24. Rd3 Qxd6 25. Bc4 Qxc7 26. Rdf3 Bf5 27. g4 Be6 28. Rh3 Rh8 29. Qh6+ Kg8 30. Bxe6 fxe6 31. Qxg6+ Qg7 32. Qxe6+ 1-0
2024.04.23 Titled Tue 23rd Apr Early
564958 Kononenko, Dmitry2 (2207) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. Nc3 Nb6 4. d4 d6 5. Nf3 g6 6. h4 h5 7. Bd3 Bg7 8. Qe2 Bg4 9. Bf4 Nc6 10. exd6 cxd6 11. Qe3 O-O 12. Bh6 Nb4 13. Bxg7 Kxg7 14. O-O-O Rc8 15. Rhe1 e6 16. Qg5 Bxf3 17. Qxd8 Rfxd8 18. gxf3 a6 19. Bf1 Rc7 20. a3 N4d5 21. Ne4 Rdc8 22. c3 Rc6 23. Kb1 Nf4 24. Re3 Nbd5 25. Ng5 Nxe3 26. fxe3 Nd5 27. Re1 Rb6 28. Kc2 Ne7 29. e4 Rd8 30. Bh3 a5 31. Bxe6 Rf8 32. Bh3 Rc6 33. Kd3 Rc7 34. f4 b5 35. e5 dxe5 36. fxe5 b4 37. axb4 axb4 38. c4 b3 39. d5 Ra7 40. e6 f6 41. Ne4 Rd8 42. Kc3 Rb7 43. d6 Nc6 44. c5 1-0
2024.04.23 Titled Tue 23rd Apr Early
565175 Cogan, N (2110) Vingris, Mikelis (2139) 0-1
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 g6 5. b3 Bg7 6. Bb2 O-O 7. e4 d6 8. Qc2 bxc4 9. Nxc4 e6 10. dxe6 Bxe6 11. Nf3 Nc6 12. Be2 Nb4 13. Qb1 d5 14. exd5 Bf5 15. Qc1 Nc2+ 16. Kf1 Nxa1 17. Qxa1 Re8 18. h3 Qxd5 19. Ne3 Qd6 20. Be5 Qe6 21. Bc4 Qe7 22. Kg1 Be6 23. Be2 Nh5 24. Bxg7 Nxg7 25. Kh2 Nf5 26. Ng4 Qd6+ 27. Nge5 f6 28. Rd1 Nd4 29. Nxd4 cxd4 30. f4 fxe5 31. Bf3 Bd5 0-1
2024.04.23 Titled Tue 23rd Apr Early
565597 Badamkhand, Norovsambuu (1927) Cogan, N (2110) 1-0
1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Nc6 6. O-O Bd6 7. Nbd2 c3 8. bxc3 O-O 9. e4 e5 10. Qc2 Bg4 11. h3 Bh5 12. d5 Nb8 13. c4 Nbd7 14. Nb3 b6 15. Be3 Qe7 16. Rac1 Bg6 17. Nfd2 Nc5 18. Nxc5 Bxc5 19. Bxc5 Qxc5 20. Nb3 Qd6 21. c5 bxc5 22. Nxc5 Rab8 23. Qc4 c6 24. Na6 cxd5 25. exd5 Rb6 26. Nc5 Rc8 27. Rc3 h6 28. Rfc1 Nd7 29. Qg4 Rxc5 30. Rxc5 Nxc5 31. Qc8+ Kh7 32. Qxc5 Bd3 33. Qxd6 Rxd6 34. Rc7 a6 35. Rxf7 e4 36. Re7 Rxd5 37. Bxe4+ Bxe4 38. Rxe4 Ra5 39. a4 Kg6 40. Kg2 Kf6 41. Kf3 g6 42. Ke3 Rd5 43. Rd4 Re5+ 44. Kd3 Ra5 45. f4 Ke6 46. Ke4 Rc5 47. Rb4 Rc6 48. a5 Kd7 49. g4 Rc5 50. Rb7+ Ke8 51. Rb6 Rxa5 52. Rxg6 Ra3 53. Rxh6 a5 54. h4 a4 55. Ra6 Ra1 56. Kf5 a3 57. h5 Kf7 58. Ra7+ Kg8 59. Kg6 Kf8 60. g5 Rg1 61. Rxa3 Rc1 62. f5 Rc8 63. f6 Kg8 64. Ra7 Kh8 65. Kh6 1-0
2024.04.23 Titled Tue 23rd Apr Early
565845 Soham, Datar (2188) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. d4 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Qe2 d5 8. h3 O-O 9. O-O Na6 10. Bg5 c5 11. c3 cxd4 12. Nxd4 Nc5 13. Bc2 a6 14. Nd2 Qc7 15. Bf4 Ne6 16. Nxe6 Bxe6 17. Bh2 Rfd8 18. Nb3 Nc4 19. Rae1 Nxb2 20. Nd4 Nc4 21. h4 Qd7 22. h5 Rac8 23. hxg6 hxg6 24. f4 Bg4 25. e6 Bxd4+ 26. cxd4 Qxe6 27. Qxe6 Bxe6 28. Bxg6 Nd2 29. Rf2 fxg6 30. Rxd2 Kf7 31. Rde2 Rc6 32. Bg3 Rd7 33. Bh4 b5 34. Bg5 b4 35. Kf2 a5 36. Rh1 Kg7 37. Bh6+ Kf7 38. Bg5 Kg8 39. Rhe1 Bf5 40. Rxe7 Rxe7 41. Rxe7 Rc2+ 42. Kg3 Be4 43. Ra7 Rxg2+ 44. Kh4 Rxa2 45. Bf6 b3 46. Kg5 b2 47. Be5 b1=Q 48. Ra8+ Kf7 49. Ra7+ Ke8 50. Ra8+ Kd7 51. Rb8 Qxb8 52. Bxb8 a4 53. Kf6 Re2 54. f5 Bxf5 55. Bf4 a3 56. Bc1 a2 57. Bb2 Rg2 58. Ba1 Rg1 59. Kf7 Rb1 60. Bc3 a1=Q 61. Bxa1 Rxa1 62. Kf6 Re1 63. Kg7 Re4 64. Kh6 Rxd4 65. Kg5 Re4 66. Kf6 d4 67. Kg7 d3 68. Kh6 d2 69. Kg5 d1=Q 70. Kf6 Qd6+ 71. Kg7 Qe7+ 72. Kh6 Rh4# 0-1
2024.04.23 Titled Tue 23rd Apr Early
566009 Cogan, N (2110) Kiseljova, M (2031) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 O-O 8. Bd3 h6 9. Bh4 Nbd7 10. Nge2 a5 11. O-O Re8 12. f3 Nf8 13. Kh1 Ne6 14. Rad1 Nd7 15. Bf2 Bg5 16. Ng3 Bh4 17. Rfe1 Nef8 18. e4 dxe4 19. fxe4 Nf6 20. h3 Kh8 21. Bc4 Qc7 22. e5 Ng8 23. Nce4 Be6 24. Nd6 Bxc4 25. Qxc4 Ne6 26. Rf1 Ne7 27. Nxf7+ Kg8 28. Qxe6 Nd5 29. Nxh6+ Kh7 30. Qf5+ Kxh6 31. Qh5# 1-0
2024.04.23 Titled Tue 23rd Apr Early
566240 Mirza, Diana (1956) Cogan, N (2110) 0-1
1. d4 Nf6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. Nbd2 Bd6 6. e3 O-O 7. Nh4 Bg4 8. f3 Bh5 9. g3 c5 10. Bd3 Nc6 11. a3 cxd4 12. exd4 e5 13. dxe5 Nxe5 14. O-O Nxd3 15. cxd3 Re8 16. Nf5 Be5 17. d4 Bc7 18. Rc1 Bb6 19. g4 Bg6 20. h4 Bxf5 21. gxf5 Qd7 22. Qc2 Re3 23. Rfe1 Rxe1+ 24. Rxe1 h6 25. Qd3 Bc7 26. Kg2 Qd6 27. Rg1 Qg3+ 28. Kf1 Qh3+ 29. Rg2 Qxh4 30. Kg1 Re8 31. Nf1 Nh5 32. Rg4 Qh3 33. Rg2 Nf4 0-1
2024.04.23 Titled Tue 23rd Apr Early
566396 Cogan, N (2110) Mizzi, Jack (2051) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 b6 6. Bd3 Bb7 7. Bd2 d6 8. O-O Nbd7 9. a3 Bxc3 10. Bxc3 Ne4 11. Qc2 Ndf6 12. Be1 c5 13. Nd2 d5 14. Bxe4 Nxe4 15. Nxe4 dxe4 16. dxc5 bxc5 17. Bc3 Qd3 18. Rac1 Qxc4 19. Rfd1 Rfd8 20. h3 Rd3 21. b3 Qd5 22. b4 c4 23. Bd4 Rc8 24. Bxa7 c3 25. Bd4 e5 26. Bc5 Bc6 27. Qe2 Ba4 28. Re1 Rd2 29. Qg4 Bd7 30. Qg3 c2 31. f3 Bc6 32. fxe4 Qxe4 33. Rf1 Rxg2+ 34. Kh1 Rxg3+ 0-1
2024.04.23 Titled Tue 23rd Apr Early
566616 Cogan, N (2110) Escalona Landi, Samid Eduardo (2248) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 b5 8. cxb5 a6 9. bxa6 Qa5 10. Bd2 Nxa6 11. Bb5 Nc7 12. Bc4 Ba6 13. Bxa6 Qxa6 14. Qe2 Rfb8 15. Qxa6 Nxa6 16. Rb1 Nb4 17. O-O Nxa2 18. Rfe1 Nb4 19. Re3 Nd7 20. e5 Nb6 21. exd6 exd6 22. Nb5 N6xd5 23. Nxd6 Nxe3 24. Bxe3 Nd5 25. Bxc5 Rxb2 26. Rxb2 Bxb2 27. f5 Ra5 28. Bf2 Ra1+ 29. Ne1 Bc3 30. Kf1 Bxe1 31. Bxe1 Ne3+ 32. Ke2 Nxg2 0-1
2024.04.23 Titled Tue 23rd Apr Late
566893 Cogan, N (2110) Rakitin, Daniil (2206) 0-1
1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Be6 6. Nf3 f6 7. b3 Nd7 8. g3 c6 9. Bg2 Kc7 10. O-O a5 11. Rd1 Nh6 12. Nd2 Bb4 13. Bb2 Rhd8 14. Nde4 Nf7 15. h4 Nb6 16. Rxd8 Rxd8 17. Rd1 Ra8 18. c5 Nd7 19. Na4 Rd8 20. a3 Bxb3 21. Ra1 Bxa4 22. axb4 Bb5 23. Rxa5 Bxe2 24. Bh3 Bf3 25. Nd2 Bd5 26. Bc3 g6 27. Bg2 Nf8 28. Ne4 Nd7 29. Ra1 f5 30. Nd2 Bxg2 31. Kxg2 Nf6 32. Nc4 Ne4 33. Bxe5+ Nxe5 34. Nxe5 Rd2 35. Rf1 Rb2 36. Kf3 Nd2+ 37. Kg2 Nxf1 38. Kxf1 Rxb4 39. Nf7 0-1
2024.04.23 Titled Tue 23rd Apr Late
567172 Cogan, N (2110) Olenik Campa, Rudi (2301) 0-1
1. d4 e6 2. c4 d5 3. Nc3 Be7 4. cxd5 exd5 5. Qc2 Nf6 6. Bg5 O-O 7. e3 c6 8. Bd3 h6 9. Bh4 a5 10. Nge2 Na6 11. Qd2 Re8 12. O-O b5 13. f3 Nc7 14. Kh1 b4 15. Na4 Ne6 16. Rac1 Bd7 17. Bb1 Rc8 18. Qd3 g6 19. Qd2 Ng7 20. b3 Bf5 21. Bd3 Bxd3 22. Qxd3 Nf5 23. Bf2 Nd6 24. Nc5 Nb5 25. Ng3 Bf8 26. e4 dxe4 27. fxe4 Ng4 28. Bg1 Qh4 29. Qf3 Rc7 30. h3 h5 31. e5 Bh6 32. Rcd1 Nc3 33. Rd3 Nd5 34. Nge4 Rf8 35. Qg3 Qxg3 36. Rxg3 Nge3 37. Rff3 Nc2 38. Ng5 Bxg5 39. Rxg5 a4 40. e6 Kg7 41. exf7 Re7 42. Rf1 Rfxf7 43. Rxf7+ Kxf7 44. g4 hxg4 45. Rxg4 axb3 46. axb3 Re1 47. Nd3 Rd1 48. Ne5+ Ke6 49. Rxg6+ Kf5 50. Rxc6 Nce3 51. h4 Ng4 52. h5 Nf4 0-1
2024.04.23 Titled Tue 23rd Apr Late
567346 Winkels, M (1915) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 e6 8. Qf3 O-O 9. Qh3 h6 10. Ne4 h5 11. Bg5 Qe8 12. Nf6+ Bxf6 13. Bxf6 N8d7 14. Nd2 Nxf6 15. exf6 Qd8 16. Qh4 Nd7 17. g4 Qxf6 18. Qh3 hxg4 19. Qxg4 Qf5 20. Qg3 Nf6 21. O-O-O a5 22. c3 Nh5 23. Qg2 Nf4 24. Qe4 Qxe4 25. Nxe4 Kg7 26. h4 Rh8 27. Ng3 Nh5 28. Rdf1 b6 29. Ne4 Bb7 30. f3 a4 31. Bc2 a3 32. b3 Nf4 33. Rh2 Ra5 34. Kd2 Rah5 35. Ke3 Rxh4 36. Rxh4 Rxh4 37. Ng3 Ng2+ 38. Kf2 Nf4 39. Ke3 Nd5+ 40. Kf2 Nxc3 41. Ne4 Rh2+ 0-1
2024.04.23 Titled Tue 23rd Apr Late
567609 Seletsky, G (2214) Cogan, N (2110) 0-1
1. d4 Nf6 2. c3 d5 3. Bf4 c5 4. e3 Nc6 5. Nf3 e6 6. Nbd2 Bd6 7. Bxd6 Qxd6 8. Bb5 O-O 9. O-O a6 10. Bxc6 bxc6 11. Qa4 cxd4 12. cxd4 c5 13. Qa3 Nd7 14. Nb3 Rb8 15. Rac1 e5 16. Nxc5 exd4 17. Nxd4 Ne5 18. b3 Qg6 19. Kh1 Ng4 20. Nf3 Bf5 21. Qb2 Rfe8 22. Qd4 Be4 23. Nxe4 dxe4 24. Ng1 Qh5 25. h3 Qh4 26. g3 Qh6 27. Kg2 Nxe3+ 28. Qxe3 Qg6 29. Rfd1 h6 30. Rd4 Re6 31. Rcc4 Rbe8 32. Ne2 Re5 33. h4 Qe6 34. Nf4 Qe7 35. h5 a5 36. a3 Qxa3 37. b4 axb4 38. Qxa3 bxa3 39. Ra4 e3 40. fxe3 Rxe3 41. Rd2 Rb8 42. Ra2 Rbb3 43. Kf2 Rf3+ 44. Kg2 Rxg3+ 45. Kh2 Rgf3 46. Ng2 Kh7 47. Rf4 Rh3+ 48. Kg1 Rxh5 49. Kf2 Rhb5 50. Kg1 Rb1+ 51. Kh2 R1b3 52. Rff2 Rh5+ 53. Kg1 f6 54. Ne1 Rb1 55. Rfe2 Rh3 56. Kg2 Rc3 57. Nc2 Rb2 0-1
2024.04.23 Titled Tue 23rd Apr Late
567785 Cogan, N (2110) Boor, C (2231) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 h6 5. e3 Bxc3+ 6. bxc3 d6 7. Bd3 c5 8. e4 Nc6 9. O-O e5 10. Bb2 b6 11. Nd2 g5 12. Bc2 Ne7 13. g3 Bh3 14. Re1 Ng6 15. Ba4+ Bd7 16. Nf1 O-O 17. Bxd7 Qxd7 18. Qd3 Rac8 19. Ne3 Qh3 20. f3 Ne7 21. Re2 Rfd8 22. a4 a5 23. Ba3 Qe6 24. Rb1 Rb8 25. Reb2 Nd7 26. Nd5 Nxd5 27. cxd5 Qf6 28. dxc5 Nxc5 29. Bxc5 dxc5 30. Kg2 h5 31. Qe3 Rd6 32. c4 Kh7 33. Kf2 Rg8 34. Ke2 Qh6 35. Rf1 Rgg6 36. Kd3 Kg7 37. Rbf2 Rdf6 38. h3 h4 39. g4 Rf4 40. Rb1 Rgf6 41. Ke2 Kg8 42. Rff1 Qg7 43. Rb5 Qg6 44. Qb3 Rd6 45. Qe3 Qf6 46. Rfb1 Qd8 47. R1b3 1-0
2024.04.23 Titled Tue 23rd Apr Late
567878 Hajiyev, K (2099) Cogan, N (2110) 1-0
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. cxd5 exd5 5. Nc3 Bb4 6. Qa4+ Nc6 7. e3 Bd7 8. Qb3 O-O 9. Bd3 b6 10. O-O Bxc3 11. Qxc3 Re8 12. Bd2 Ne7 13. Rac1 c6 14. Ne5 Rc8 15. Ba6 Rc7 16. b4 Ne4 17. Qc2 f6 18. Nxd7 Qxd7 19. Be1 Nf5 20. Bd3 Nfd6 21. a4 Rec8 22. h4 f5 23. f3 Nf6 24. Bg3 g6 25. Be5 Nfe8 26. Qf2 b5 27. Qg3 bxa4 28. Ba6 Rb8 29. h5 Rxb4 30. hxg6 hxg6 31. Qxg6+ Kf8 32. g4 Nf7 33. Bxc7 Qxc7 34. Rxc6 Qe7 35. Qxf5 a3 36. Re6 1-0
2024.04.23 Titled Tue 23rd Apr Late
568139 Cogan, N (2110) Bilan, Danila (2303) 0-1
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nf6 5. Bxf6 gxf6 6. Nc3 Nc6 7. e3 e6 8. Bd3 Bd6 9. Nge2 f5 10. Rc1 Bd7 11. a3 Rc8 12. b4 a5 13. b5 Ne7 14. a4 Ng6 15. g3 O-O 16. h4 Qf6 17. Kf1 Kh8 18. Kg2 Rg8 19. Kf1 Rc7 20. f3 Ba3 21. Rc2 Rgc8 22. Kf2 Bb4 23. Qa1 b6 24. Qb2 Qe7 25. h5 Nf8 26. Rhc1 Ba3 27. Qb1 Bxc1 28. Qxc1 h6 29. Na2 Rxc2 30. Bxc2 Nh7 31. Qb2 Nf6 32. Nf4 Kg7 33. Bd3 Qd6 34. Ne2 Qc7 35. Nf4 Nh7 36. Ne2 Qd8 37. Nac3 Qg5 38. Nf4 Nf6 39. Nce2 Nxh5 40. Kg2 Nxf4+ 41. Nxf4 Qe7 42. Nh5+ Kg8 43. Nf4 Qb4 44. Qf2 Qxa4 45. g4 fxg4 46. fxg4 Qd1 47. Kg3 Rc1 48. Nh3 e5 49. dxe5 Qxg4+ 50. Kh2 Qxh3# 0-1
2024.04.23 Titled Tue 23rd Apr Late
568182 Rytenko, Vsevolod (2362) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. Na3 Nc6 8. Nc4 a6 9. a4 Bf5 10. c3 dxe5 11. Ncxe5 Nxe5 12. Nxe5 c6 13. a5 Qd6 14. Nc4 Qc7 15. Re1 Rad8 16. Qb3 Be6 17. Qc2 Bf5 18. Bd3 Bxd3 19. Qxd3 Rfe8 20. Bg5 c5 21. Rac1 h6 22. Bh4 cxd4 23. cxd4 Qf4 24. Re4 Qxc1+ 0-1
2024.04.23 Titled Tue 23rd Apr Late
568392 Cogan, N (2110) Garrido Diaz, Jose Antonio (2260) 0-1
1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bd3 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Bb2 h6 12. cxd5 Nxd5 13. Nxd5 Bxb2 14. Qxb2 Qxd5 15. Bc4 Qa5+ 16. Qd2 Qxd2+ 17. Kxd2 Rd8+ 18. Ke2 Bf5 19. Rhd1 Kf8 20. Bd3 Be6 21. Rac1 Ke7 22. Rc5 Rd5 23. Rdc1 a5 24. Rxd5 Bxd5 25. e4 Be6 26. Rb1 Kd6 27. a3 b5 28. Bc2 b4 29. Rd1+ Kc7 30. a4 c5 31. Ke3 Rb8 32. f4 c4 33. bxc4 Bxc4 34. Rd4 Ba2 35. Kd2 b3 36. Bd3 b2 37. e5 Rd8 38. Rxd8 Kxd8 39. Ke3 b1=Q 40. Bxb1 Bxb1 41. Kd2 Kc7 0-1
2024.04.23 Titled Tue 23rd Apr Late
568562 Golubev, M (2461) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. O-O h6 9. Nf3 O-O 10. h3 Na6 11. c3 c5 12. Be3 cxd4 13. cxd4 Bf5 14. Nc3 Rc8 15. Rc1 Nb4 16. Nh4 Bd3 17. Re1 Ba6 18. e6 Nd3 19. exf7+ Rxf7 20. Nxg6 Nxc1 21. Bxc1 Qd6 22. Qg4 Qd7 23. Qxd7 Nxd7 24. Nxe7+ Rxe7 25. Rxe7 Nf6 26. Be3 Kf8 27. Re5 Bc4 28. Bxc4 dxc4 29. d5 Rd8 30. Bc5+ Kf7 31. Re7+ Kg6 32. d6 Rd7 33. Rxd7 Nxd7 34. Bxa7 Bxc3 35. bxc3 b6 36. g4 Kf6 37. f4 Ke6 38. g5 hxg5 39. fxg5 Kxd6 40. g6 Ke6 41. h4 Kf6 42. h5 Kg7 43. Kf2 Kh6 44. Ke3 Kxh5 45. g7 Nf6 46. Bxb6 Kg6 47. Bd4 Nd5+ 48. Ke4 Ne7 49. a4 Kf7 50. a5 Ke6 51. a6 Nd5 52. a7 1-0
2024.04.23 Titled Tue 23rd Apr Late
568624 Cogan, N (2110) Souza, Gustavo Horokoski De (1939) 0-1
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qa5 13. O-O Nxe5 14. Nxe5 Rxe5 15. Bf6 Bf5 16. Bxg7 Kxg7 17. g4 Bd7 18. Bc4 Be8 19. Qf3 Qb6 20. d6 Qxd6 21. Bxf7 Bc6 22. Bd5 Bxd5 23. Nxd5 Rxd5 24. Qf7+ Kh6 25. g5+ Rxg5+ 26. Kh1 Qd5+ 0-1
2024.04.16 Titled Tue 16th Apr Early
570944 Nazari, Arad (2370) Cogan, N (2110) 1-0
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 Nc6 6. Nf3 Bf5 7. O-O e6 8. d3 Be7 9. h3 O-O 10. Re1 h6 11. Ne4 Nd5 12. c3 Qd7 13. Ba4 Bd6 14. Nd4 Nde7 15. Bxc6 Nxc6 16. Nxf5 exf5 17. Nxd6 Qxd6 18. d4 Rfe8 19. Bd2 Ne7 20. Qf3 c6 21. Re5 f6 22. Re2 Qd5 23. Qxd5+ Nxd5 24. Rae1 Rxe2 25. Rxe2 Kf7 26. c4 Nc7 27. Bb4 Re8 28. Rxe8 Kxe8 29. f3 Ne6 30. Bc3 Nf4 31. Kf2 h5 32. b3 Kd7 33. Bd2 Ne6 34. Ke3 g6 35. d5 Nc7 36. Kd4 cxd5 37. cxd5 Nb5+ 38. Kc5 Nc7 39. a4 Ne8 40. Bf4 g5 41. Bb8 g4 42. Bxa7 gxh3 43. gxh3 h4 44. Bb8 Ng7 45. Bh2 Nh5 46. Kb6 Ng3 47. Kxb7 Nf1 48. Bf4 1-0
2024.04.16 Titled Tue 16th Apr Early
571207 Cogan, N (2110) Kislinsky, A (2355) 1/2-1/2
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 Bg4 7. Be2 Nc6 8. d5 Nb8 9. O-O Nbd7 10. h3 Bxf3 11. Bxf3 c6 12. Be3 cxd5 13. cxd5 Ne8 14. Bd4 Bxd4+ 15. Qxd4 Qb6 16. Qxb6 Nxb6 17. b3 Nc7 18. Rac1 Na6 19. Nb5 Nb4 20. Rc7 Nxa2 21. Rxe7 Rfd8 22. Rxb7 Nd7 23. Nxd6 Nc5 24. Rb5 Nd3 25. e5 Nxf4 26. Ne4 a5 27. d6 Ra7 28. Ra1 Nd3 29. Rxa2 Nc1 30. Raxa5 Rxa5 31. Rxa5 Nxb3 32. Ra7 Nd4 33. Nf6+ Kg7 34. Bd5 Nf5 35. Rxf7+ Kh6 36. Rxh7+ Kg5 37. Kh2 Nxd6 38. Rd7 Rxd7 39. Nxd7 Nf5 40. e6 Ne7 41. g4 Nxd5 42. Ne5 Kf6 43. Nxg6 Kxg6 44. Kg3 Kf6 45. h4 Kxe6 46. h5 Kf6 47. h6 Kg6 48. g5 Ne7 49. h7 Kxh7 50. g6+ Kxg6 1/2-1/2
2024.04.16 Titled Tue 16th Apr Early
571344 Otero Marino, Alain (2250) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 g6 8. Nc3 Bg7 9. Nf3 Bg4 10. Be2 Bxf3 11. gxf3 Qd7 12. f4 e6 13. Qd2 O-O-O 14. O-O-O Ne7 15. Kb1 h5 16. Rc1 Nf5 17. Rhd1 Nxe3 18. Qxe3 Qe7 19. d5 Kb8 20. Nb5 exd5 21. cxd5 g5 22. d6 cxd6 23. Rxd6 gxf4 24. Qa3 a6 25. Qc5 Nc8 26. Bf3 Rxd6 27. exd6 Qe5 28. Qc7+ Ka8 29. Qxb7# 1-0
2024.04.16 Titled Tue 16th Apr Early
571814 Cogan, N (2110) De Souza, Cristiano Gomes (2018) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 e5 7. fxe5 dxe5 8. d5 Nbd7 9. Bd3 Nc5 10. Bc2 a5 11. Be3 b6 12. O-O Ng4 13. Bc1 f5 14. h3 fxe4 15. Nxe4 Nf6 16. Nxc5 bxc5 17. Nxe5 Nxd5 18. Nc6 Rxf1+ 19. Qxf1 Qh4 20. cxd5 Ba6 21. Qf2 Qc4 22. Bg5 Rf8 23. Qd2 Bxb2 24. Re1 Bc3 25. Qe2 Qxe2 26. Rxe2 Bxe2 27. Bh4 Bd4+ 28. Kh2 Bc4 29. Be4 Bxa2 30. Bg3 Re8 31. Bf3 a4 32. Bxc7 Bf6 33. d6 Be6 34. Nb4 a3 35. Bc6 Rf8 36. d7 a2 37. Nxa2 Bxa2 38. Bd6 Rd8 39. Bc7 Rxd7 40. Bxd7 Bd5 41. Bg4 c4 42. Bd1 c3 43. Bc2 Kf7 44. Kg3 Ke6 45. Kf2 Bd4+ 46. Ke2 Bxg2 47. h4 Bh3 48. Bg3 Bf5 49. Bb3+ Kf6 50. Bf4 Be5 51. Bg5+ Kg7 52. Kf3 h6 53. Be3 c2 54. Ke2 Bb2 55. Bxc2 Bxc2 56. Kf3 Bf5 57. Kg3 Bf6 58. Bf4 g5 59. Be3 gxh4+ 60. Kh2 Kg6 61. Bf2 Bg5 62. Be1 Kh5 63. Bf2 Kg4 64. Bc5 Bf4+ 65. Kg1 Bg3 66. Bf2 Be4 67. Be3 h3 68. Bd4 h2+ 69. Kf1 h1=Q+ 70. Ke2 Qf3+ 0-1
2024.04.16 Titled Tue 16th Apr Early
572025 Persson, R (2106) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Bd3 Bg7 8. Be3 O-O 9. Nge2 Nc6 10. d5 Ne5 11. b3 Nxd3+ 12. Qxd3 Bf5 13. Qd2 e5 14. Rc1 Rc8 15. O-O Nd7 16. Ng3 Nf6 17. Nxf5 gxf5 18. f4 e4 19. Bxa7 Kh8 20. Bd4 Rg8 21. Nd1 b5 22. Ne3 bxc4 23. Nxf5 cxb3 24. Qb2 Nh5 25. Nxg7 Nxg7 26. Rxc8 Qxc8 27. axb3 Qf5 28. Rd1 h5 29. b4 Kh7 30. b5 Qxd5 31. b6 Rb8 32. Rb1 Nf5 33. Bf6 e3 34. b7 e2 35. Qxe2 Rxb7 36. Rd1 Qc5+ 37. Kh1 Kg6 38. Ba1 Re7 39. Qf3 Qe3 40. Qf1 Qe2 41. Qg1 Re4 42. Rc1 f6 43. Bc3 d5 44. Be1 d4 45. Bf2 d3 46. Re1 d2 0-1
2024.04.16 Titled Tue 16th Apr Early
572335 Cogan, N (2110) Kriti, Mayur Patel (1787) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 c6 9. Nge2 Re8 10. O-O Nf8 11. f3 g6 12. Rad1 b5 13. Kh1 Bb7 14. e4 Ne6 15. Be3 b4 16. Na4 Rc8 17. e5 Nd7 18. Qd2 c5 19. f4 Qa5 20. b3 c4 21. Bc2 c3 22. Qe1 Bc6 23. f5 Nef8 24. fxg6 fxg6 25. Qf2 Bxa4 26. Qf7+ Kh8 27. bxa4 Qb6 28. Qxd5 Qe6 29. Qe4 Nb6 30. d5 Qg8 31. e6 Rc4 32. Bd4+ Rxd4 33. Qxd4+ Qg7 34. Qxg7+ Kxg7 35. d6 Bg5 36. d7 Rd8 37. Ng3 Nxe6 38. Ne4 Be7 39. Bb3 Nc5 40. Rf6 Bxf6 41. Nxc5 Be7 42. Ne6+ Kf7 43. Nxd8+ Kf8 44. a5 Bxd8 45. axb6 axb6 46. Kg1 Ke7 47. Kf1 b5 48. Ke2 g5 49. Kd3 Bb6 50. Kc2 Kd8 51. h3 Be3 52. Rd5 Bd2 53. Rxb5 Bf4 54. Rxb4 h5 55. Rc4 Kxd7 56. Rxc3 Kd6 57. Rd3+ Kc6 58. a4 Be5 59. g4 hxg4 60. hxg4 Bf4 61. Be6 Kc5 62. Kb3 Kb6 63. Rd5 Ka6 64. Kc4 Kb6 65. Rb5+ Ka7 66. Bf5 Ka6 67. Kd5 Ka7 68. Kc6 Ka6 69. Bd3 Ka7 70. a5 Bd2 71. a6 Kxa6 72. Rb2+ Ka7 73. Rxd2 Kb8 74. Ra2 Kc8 75. Ra8# 1-0
2024.04.16 Titled Tue 16th Apr Early
572499 Cogan, N (2110) Ibadov, Dashgyn (2376) 0-1
1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. cxd5 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O c4+ 14. Kh1 Bb7 15. Ne4 Nd7 16. Nd6 Ndxe5 17. Nxb7 Qxb7 18. Qd2 Nxf3 19. Bxf3 Ne5 20. d6 Nxf3 21. Rxf3 f6 22. Bh6 Rad8 23. Bxg7 Kxg7 24. Rd1 Rd7 25. Qd4 Qc6 26. h3 a5 27. a3 b4 28. Re3 Rff7 29. axb4 axb4 30. Re2 Rf8 31. Rc2 Rfd8 32. Rxc4 Rxd6 33. Rxc6 Rxd4 34. Rxd4 Rxd4 35. Rc7+ Kh6 36. Rb7 Kg5 37. Kg1 h5 38. Kh2 h4 39. Rb6 Kf5 40. Rb5+ Ke4 41. Rb6 Kd3 42. Rxf6 Kc2 43. Rf2+ Kb3 44. g3 g5 45. gxh4 gxh4 46. Kg2 Rc4 47. Kf3 Rc2 48. Rf1 Kxb2 49. Kg4 Rc4+ 50. Kh5 b3 51. Rg1 Ka2 52. Rg4 Rxg4 53. Kxg4 b2 54. Kxh4 b1=Q 55. Kh5 Qh7+ 56. Kg4 Kb3 57. h4 Kc4 58. h5 Kd4 59. Kh4 Ke4 60. Kg5 Qg7+ 61. Kh4 Kf4 0-1
2024.04.16 Titled Tue 16th Apr Early
572803 Caku, Kler (1796) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nf3 g6 7. b3 Bg7 8. Nc3 O-O 9. Be2 Bf5 10. O-O d5 11. c5 Nc8 12. Be3 Nc6 13. Rc1 e6 14. Qd2 Bg4 15. h3 Bxf3 16. Bxf3 N8e7 17. a3 Nf5 18. Ne2 a5 19. g3 Qf6 20. Bg5 Nfxd4 21. Bg4 Nxe2+ 22. Bxe2 Qb2 23. Rc2 Qxa3 24. Qe3 Qb4 25. g4 Nd4 26. Rd2 Nxb3 27. Rd3 a4 28. Be7 Rfe8 29. Bd6 Rad8 30. Qg3 Qa5 31. Bc7 Qxc5 32. Bxd8 Rxd8 33. Rf3 Qd6 34. Qxd6 Rxd6 35. Bb5 Nc5 36. Rc3 b6 37. Ra3 d4 38. Ra2 d3 39. Bxa4 Nxa4 40. Rxa4 d2 41. Rd1 Bc3 42. Ra2 Ba5 43. Rc2 Kg7 44. Kf1 h6 45. Ke2 g5 46. f3 Kf6 47. Rb2 Rd4 48. Rb5 Rd5 49. Rxd5 exd5 50. Kd3 Ke5 51. Ke3 d4+ 52. Ke2 Kf4 53. Kf2 d3 54. Ra1 Bc3 55. Rd1 b5 56. Rb1 b4 57. Rd1 b3 58. Rb1 b2 59. Rd1 Ke5 60. Rb1 Kd4 61. Rd1 Kc4 62. Ke3 f6 63. Ke4 Kb3 64. Kxd3 Bb4 65. Rb1 Ka2 66. Kc2 Ba3 67. Rd1 Bb4 68. Rb1 Bc3 69. Rd1 1-0
2024.04.16 Titled Tue 16th Apr Early
572998 Enkhrii Enkh-Amgalan (1942) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. exd6 cxd6 9. Nc3 Bg4 10. b3 d5 11. c5 Nc8 12. Ne5 Bxe2 13. Qxe2 Nc6 14. Nxc6 bxc6 15. Rd1 Re8 16. Bg5 Qa5 17. Na4 e5 18. f4 e4 19. f5 gxf5 20. Be3 Ne7 21. Qh5 Qc7 22. Rf1 Qd7 23. g4 f4 24. Rxf4 Ng6 25. Rf5 Rab8 26. Raf1 Rf8 27. Nc3 Rb4 28. Ne2 a5 29. h4 a4 30. bxa4 Rxa4 31. Qg5 Rxa2 32. Ng3 Qc7 33. Bf4 Qe7 34. Bd6 Qxg5 35. hxg5 Bxd4+ 36. Kh1 Raa8 37. Bxf8 Rxf8 38. Nh5 e3 39. Nf6+ Kg7 40. Nd7 Re8 41. Rxf7+ Kg8 42. R7f3 e2 43. Re1 Re7 44. Nf6+ Kg7 45. Nh5+ Kg8 46. Nf6+ Kg7 47. Nh5+ Kh8 48. Rd3 Bxc5 49. Rd2 Bb4 50. Rdxe2 Bxe1 51. Rxe7 Nxe7 52. Kg2 Bd2 53. Kf3 Bxg5 54. Ng3 h6 55. Ne2 Kg7 56. Nd4 Kf7 57. Ke2 c5 58. Nb5 Ke6 59. Nc7+ Ke5 60. Kd3 Kf4 0-1
2024.04.16 Titled Tue 16th Apr Early
573080 Cogan, N (2110) Clawitter, C (2050) 0-1
1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd3 Nbd7 9. Nge2 Re8 10. O-O Nf8 11. f3 g6 12. Rad1 Ne6 13. Bh4 b5 14. Kh1 Bd7 15. e4 dxe4 16. fxe4 Ng4 17. Bxe7 Qxe7 18. Qd2 Qh4 19. h3 Nf2+ 20. Kg1 Nxd1 21. Qxd1 Rad8 22. e5 Nxd4 23. Ne4 Bf5 24. Nf6+ Kh8 25. Rf4 Nxe2+ 26. Qxe2 Qxf4 27. Bxf5 Rxe5 28. Ne4 0-1
2024.04.16 Titled Tue 16th Apr Early
573324 Loef, D (2060) Cogan, N (2110) 1/2-1/2
1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 b6 8. Bb5+ c6 9. Bd3 Bb7 10. Qd2 Nd7 11. Qh6 Qc7 12. Qg7 Rf8 13. Qg3 O-O-O 14. O-O-O Rg8 15. Qxc7+ Kxc7 16. Ng3 f5 17. Rhe1 c5 18. Nxf5 Bf6 19. Ng3 cxd4 20. Bxh7 Rh8 21. Be4 Nc5 22. Bxb7 Kxb7 23. Ne4 Bg7 24. h3 d3 25. Nxc5+ bxc5 26. Rxd3 Kc6 27. Ne5+ Bxe5 28. Rxe5 Rxd3 29. cxd3 Rg8 30. g3 Kd6 31. Re1 Kd5 32. Kc2 Rb8 33. Re4 f6 34. Rf4 f5 35. g4 Rf8 36. gxf5 exf5 37. h4 Ke5 38. Rc4 Kd5 39. Rf4 Ke5 40. Rc4 Kd5 41. Rf4 1/2-1/2
2024.04.16 Titled Tue 16th Apr Late
573522 Chirila, I (2530) Cogan, N (2110) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 d6 7. Qc2 Qe7 8. Bg5 h6 9. Bh4 e5 10. e3 Bg4 11. O-O-O Nbd7 12. h3 Bh5 13. g4 Bg6 14. Qb3 exd4 15. Nxd4 Nc5 16. Qa2 a5 17. a4 c6 18. Bg2 Nd3+ 19. Rxd3 Bxd3 20. Qb3 Bh7 21. Re1 Rfe8 22. e4 Qe5 23. Qe3 Nd7 24. f4 Qc5 25. Qc3 b5 26. cxb5 cxb5 27. Qxc5 Nxc5 28. Nxb5 Nxa4 29. Nxd6 Red8 30. e5 Nc5 31. Bxa8 Rxa8 32. Kd2 Rb8 33. Nc4 Rb4 34. Nxa5 Rxb2+ 35. Kc3 Rh2 36. Re3 g5 37. fxg5 hxg5 38. Bxg5 Nd7 39. Nc6 Rc2+ 40. Kd4 Rxc6 41. h4 Re6 42. Bf4 Ra6 43. Rc3 Kg7 44. h5 Nf8 45. Ke3 Ne6 46. Bg3 Ra4 47. Kf3 Be4+ 48. Kf2 Bh1 49. Bh4 Rxg4 50. Bf6+ Kh6 51. Rc8 Be4 52. Rh8+ Bh7 53. Be7 Rf4+ 54. Ke3 Rf5 55. Ke4 Kxh5 56. Rxh7+ Kg6 57. Rh8 Rh5 58. Kd5 Rxh8 59. Bf6 Rh7 60. Kd6 Rh5 61. Ke7 Rf5 62. Kd6 Kh7 63. Ke7 Kg8 64. Ke8 Rf1 65. Ke7 Ra1 66. Kd7 Ra8 67. Kd6 Re8 68. Kd7 Kf8 69. Bg5 Ra8 70. Bh6+ Kg8 71. Be3 Ra5 72. Kd6 Kf8 73. Bh6+ Ke8 74. Be3 Ra6+ 75. Kd5 Kd7 76. Bf2 Ra4 77. Be1 Rd4# 0-1
2024.04.16 Titled Tue 16th Apr Late
573702 Rosen, E (2361) Cogan, N (2110) 1-0
1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Nd2 e6 5. Ngf3 Bd6 6. Bg3 O-O 7. Bd3 Bg6 8. Bxg6 hxg6 9. Ng5 c5 10. c3 Nc6 11. Bxd6 Qxd6 12. f4 b5 13. O-O b4 14. Rc1 bxc3 15. bxc3 Rab8 16. Rc2 Rb7 17. Qf3 Rfb8 18. Rfc1 Rb2 19. Nb3 Rxc2 20. Rxc2 c4 21. Nc5 Rb1+ 22. Kf2 Ne7 23. g4 Qb6 24. Kg2 Ra1 25. Kh3 Qb1 26. Qe2 Nh7 27. Nf3 Nc6 28. Rb2 Qf1+ 29. Qxf1 Rxf1 30. Kg2 Rc1 31. Rb7 Nf6 32. Rc7 Nxg4 33. Rxc6 Nxe3+ 34. Kf2 Nd1+ 35. Kg3 Rxc3 36. Nd7 Ne3 37. Ng5 Nf5+ 38. Kf2 Ne7 39. Rc7 f6 40. Nxe6 Rc2+ 41. Ke1 Rxa2 42. Ndc5 Nf5 43. Rc8+ Kh7 44. Nf8+ Kh6 45. Nfe6 Ra1+ 46. Kd2 Ra2+ 47. Kc3 Rxh2 48. Rh8# 1-0
2024.04.16 Titled Tue 16th Apr Late
573960 Cogan, N (2110) Ruperez Benito, A (2333) 0-1
1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. Nge2 Nb6 11. O-O g6 12. Rae1 O-O 13. a3 Be6 14. f3 Nc4 15. Bxc4 dxc4 16. e4 f5 17. d5 cxd5 18. exd5 Bxd5 19. Nxd5 Qc5+ 20. Ne3 Qxe3+ 21. Kh1 Rac8 22. Nc3 Qc5 23. Rd1 Rfd8 24. Rfe1 Nf4 25. Rd2 Nd3 26. Ree2 Re8 27. Nd1 Qd4 28. Ne3 Rxe3 29. Rxd3 Qxd3 0-1
2024.04.16 Titled Tue 16th Apr Late
574357 Karamsetty, J (2222) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be2 Bg7 8. h3 O-O 9. Nf3 Bf5 10. O-O d5 11. c5 Nc4 12. Qb3 Nc6 13. Qxb7 Nxd4 14. Nxd4 Bxd4 15. Nxd5 Na5 16. Nxe7+ Kh8 17. Qb4 Be6 18. Rd1 Qxe7 19. Qxd4+ Kg8 20. Bh6 f6 21. Bxf8 Rxf8 22. Qd6 Re8 23. Bb5 Qxd6 24. Rxd6 Re7 25. Re1 Kf7 26. b4 Nb7 27. Rdxe6 Rxe6 28. Bc4 Nd8 29. c6 Ke7 30. Bxe6 Nxe6 31. c7 Kd7 32. Rxe6 1-0
2024.04.16 Titled Tue 16th Apr Late
574556 Cogan, N (2110) Nilsen, Tobias Lang (2203) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 f6 13. exf6 Bxf6 14. Qd2 Bxg5 15. Qxg5 Qxg5 16. Nxg5 Ne3 17. Kf2 Nd7 18. Ne6 Nxd5 19. Bc4 N7b6 20. Nxd5 Nxc4 21. Nf6+ Kf7 22. Nxe8 Bxe6 23. Nc7 Rd8 24. Nxe6 Rd2+ 25. Kg3 Kxe6 26. Rhe1+ Kf7 27. Rac1 Nxb2 28. Rxc5 Nd3 29. Rc7+ Kf6 30. Rf1+ Ke6 31. a4 Ra2 32. Rxb7 Rxa4 33. Rxh7 Ne5 34. h3 a5 35. Ra7 Ra3+ 36. Kh4 Ra2 37. g4 Ra3 38. Ra6+ Kd5 39. Rd1+ Ke4 40. Re1+ Kd4 41. Rd1+ Kc4 42. Kg5 Rxh3 43. Re1 Nf3+ 44. Kxg6 Nxe1 45. Rxa5 Kd4 46. Ra4+ Kd5 47. Ra5+ Kc6 48. g5 Nf3 49. Rf5 Nh4+ 50. Kf6 Nxf5 51. Kxf5 Kd6 52. Kf6 Rf3+ 53. Kg7 Ke7 54. g6 Rg3 0-1
2024.04.16 Titled Tue 16th Apr Late
574729 Mirzoev, A (2447) Cogan, N (2110) 1-0
1. c4 Nf6 2. Nc3 e6 3. e4 e5 4. Nf3 Nc6 5. d4 exd4 6. Nxd4 d6 7. f3 Be7 8. Be3 O-O 9. Qd2 Rb8 10. O-O-O a6 11. g4 Ne5 12. Be2 b5 13. g5 Nfd7 14. f4 c5 15. Nf5 Nxc4 16. Bxc4 bxc4 17. Nxe7+ Qxe7 18. Qxd6 Re8 19. Qxe7 Rxe7 20. Rhe1 Bb7 21. e5 Nf8 22. Bxc5 Re6 23. Bxf8 Kxf8 24. Rd4 Rc8 25. h4 f6 26. gxf6 gxf6 27. Rd7 Bc6 28. Rxh7 Rce8 29. Ne4 Bxe4 30. Rxe4 fxe5 31. Rh8+ Kf7 32. Rxe8 Rxe8 33. fxe5 Ke6 34. Rxc4 Kxe5 35. b3 Rg8 36. Kb2 Rg6 37. Ka3 Kd5 38. Ka4 Rg2 39. a3 Rg6 40. Rf4 Kc5 41. b4+ Kc6 42. h5 Rh6 43. Rf5 Kb6 44. Rg5 Rh8 45. Rg6+ Kb7 46. h6 Ka7 47. Kb3 Kb7 48. a4 Ka7 49. a5 Kb7 50. Rb6+ Ka7 51. Kc4 Rc8+ 52. Kd5 Rh8 53. Ke5 Re8+ 54. Kf5 Rg8 55. Kf6 Rg1 56. Kf7 Rf1+ 57. Kg7 Rg1+ 58. Rg6 Rh1 59. h7 1-0
2024.04.16 Titled Tue 16th Apr Late
574905 Cogan, N (2110) Mena, Martin (1971) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 g6 7. e3 Bf5 8. Qb3 Nbd7 9. Bh6 c6 10. h3 Qb6 11. Qxb6 axb6 12. g4 Be6 13. Bd3 Rg8 14. Bf4 c5 15. Nf3 c4 16. Bc2 Bb4 17. O-O Bxc3 18. bxc3 Ra3 19. Rfb1 Rxc3 20. Ba4 Ke7 21. Bg5 Kd6 22. Bxf6 Nxf6 23. Rxb6+ Kc7 24. Rab1 Rb8 25. Ne5 Ra3 26. Bd1 Ne4 27. f3 1-0
2024.04.16 Titled Tue 16th Apr Late
575027 Lehtosaari, Mauri (2149) Cogan, N (2110) 0-1
1. d4 Nf6 2. Nf3 d5 3. Bg5 c6 4. Nbd2 Bf5 5. e3 h6 6. Bh4 Nbd7 7. c4 e6 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 Be7 11. b4 O-O 12. b5 cxb5 13. Bxb5 g5 14. Bg3 a6 15. Be2 Rfc8 16. O-O Nh5 17. Be5 f6 18. Bg3 Nxg3 19. hxg3 Rc6 20. b4 b6 21. Bxa6 bxc5 22. Bb5 Rxa1 23. Rxa1 Rc7 24. bxc5 e5 25. Ne1 Kf7 26. Bd3 Be6 27. Nc2 Nb8 28. Nb4 Rb7 29. Na6 Nc6 30. dxe5 fxe5 31. Bf1 Ra7 32. Nb3 Bc8 0-1
2024.04.16 Titled Tue 16th Apr Late
575149 Cogan, N (2110) Marchesich, Giovanni (2226) 0-1
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 e6 5. dxe6 fxe6 6. e3 bxc4 7. Bxc4 d5 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. b3 Bd6 11. Bb2 O-O 12. Ngf3 e5 13. O-O e4 14. Nh4 g6 15. g3 Ne5 16. f3 exf3 17. Nhxf3 Qe7 18. Qe2 Rae8 19. Rae1 Nfg4 20. Nxe5 Nxe5 21. Nf3 Ng4 22. Bc1 d4 23. e4 Ne5 24. Nxe5 Bxe5 25. Bf4 g5 26. Bd2 Bg7 27. Rxf8+ Rxf8 28. Qg4 h6 29. e5 Qf7 30. Qe2 Qe6 31. Qg2 Rf5 32. g4 Rxe5 33. Qa8+ Kh7 34. Rxe5 Qxe5 35. Qg2 d3 36. Qf3 Qa1+ 37. Kg2 Qd4 38. Qf5+ Kg8 39. Qc8+ Kf7 40. Qf5+ Ke7 41. Qf3 Kd6 42. Qg3+ Be5 43. Qf3 Qd5 44. Kf2 Qxf3+ 45. Kxf3 Kd5 46. Ke3 c4 47. bxc4+ Kxc4 48. h3 Bf4+ 49. Ke4 Bxd2 0-1
2024.04.16 Titled Tue 16th Apr Late
575276 Brilej, Jaka (2274) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6 6. Be3 Bg7 7. Nc3 dxe5 8. fxe5 c5 9. d5 Bxe5 10. Nf3 Bg7 11. Bxc5 Bg4 12. Bd4 f6 13. h3 Bc8 14. Qb3 O-O 15. c5 N6d7 16. c6 Nb6 17. d6+ Kh8 18. c7 Qxd6 19. cxb8=Q Rxb8 20. O-O-O Be6 21. Qa3 Qf4+ 22. Kb1 Bf5+ 23. Bd3 e5 24. Bxb6 axb6 25. Bxf5 Qxf5+ 26. Ka1 Qe6 27. Qb3 Qc6 28. Rhe1 Rbe8 29. Qd5 Re6 30. Qxc6 bxc6 31. Na4 c5 32. Nc3 f5 33. Ng5 Re7 34. Nd5 Rb7 35. Ne6 Re8 36. Ndc7 Rc8 37. Rd7 Bf8 38. Red1 Kg8 39. Rd8 Rbb8 40. Rxc8 Rxc8 41. Nxf8 Kxf8 42. Nd5 Rd8 43. Ne3 Re8 44. Nc4 e4 45. Nxb6 e3 46. Re1 f4 47. Kb1 g5 48. Kc2 Kg7 49. a4 Kg6 50. a5 Rb8 51. Kc3 Kf5 52. Kc4 Ke4 53. Kxc5 h5 54. a6 g4 55. hxg4 hxg4 56. a7 Re8 57. a8=Q+ Rxa8 58. Nxa8 f3 59. gxf3+ gxf3 60. b4 f2 61. Ra1 e2 62. b5 e1=Q 63. Rxe1+ fxe1=Q 64. b6 Qc1+ 65. Kd6 Qb2 66. Kc7 Qc3+ 67. Kb8 Qh8+ 68. Ka7 Qa1+ 69. Kb8 Kd5 70. Kb7 Qg7+ 71. Nc7+ Kd6 72. Ka6 Qd7 73. Nb5+ Kc5 74. Nc7 Qc6 0-1
2024.04.09 Titled Tue 9th Apr Early
577555 Cogan, N (2110) Akhilbay, Imangali (2270) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O Nxe5 14. Nxe5 Bxe5 15. Bc4 Bf5 16. d6 Bd4+ 17. Kh1 Qxd6 18. Qb3 Qd7 19. Rad1 Nc6 20. Nb5 Na5 21. Qa4 Nxc4 22. Qxc4 Be6 23. Qd3 Bg4 24. Rd2 Qd5 25. Bf4 Bf5 26. Qg3 Qc4 27. Qf3 Qxb5 28. g4 Be4 0-1
2024.04.09 Titled Tue 9th Apr Early
577779 Streltsov, Al2 (2272) Cogan, N (2110) 0-1
1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 Nc7 7. Nf3 Bd6 8. Ne5 a5 9. Bd3 O-O 10. Qf3 Be7 11. g4 Nd7 12. h4 Nxe5 13. dxe5 b5 14. g5 b4 15. Ne2 Ba6 16. h5 Bxd3 17. cxd3 Bxg5 18. h6 g6 19. Bxg5 Qxg5 20. d4 Qe7 21. O-O-O f6 22. Qg3 Nb5 23. f4 Kh8 24. Kb1 c5 25. Rd3 c4 26. Rdd1 c3 27. b3 a4 28. Rd2 0-1
2024.04.09 Titled Tue 9th Apr Early
578143 Ismagilov, Damir (2143) Cogan, N (2110) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 c5 5. a3 Bxd2+ 6. Bxd2 cxd4 7. Nxd4 d5 8. cxd5 Nxd5 9. e3 O-O 10. Bc4 b6 11. O-O Bb7 12. f3 Nc6 13. Nxc6 Bxc6 14. e4 Ne7 15. Bb4 Re8 16. Rc1 Qc7 17. Ba6 b5 18. Qd4 Rad8 19. Qf2 Qd7 20. Qc2 Ba8 21. Rfd1 Qc6 22. Rxd8 Rxd8 23. Bxe7 Qxc2 24. Rxc2 Re8 25. Rc7 h6 1-0
2024.04.09 Titled Tue 9th Apr Early
578585 Cogan, N (2110) Toktomushev, Teimur (2266) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. Nge2 g6 11. O-O O-O 12. Qd2 Ndf6 13. f3 c5 14. dxc5 Re8 15. Kf2 Qxc5 16. Nd4 Bd7 17. Rac1 Qd6 18. Kg1 a6 19. a3 Re7 20. Rfe1 Rae8 21. Re2 Qb6 22. b4 Nf4 23. Ree1 Rxe3 24. Rxe3 Qxd4 25. Nd1 Rxe3 26. Nxe3 Qxd3 27. Qxd3 Nxd3 28. Rc3 Ne5 29. Rc7 Bc6 30. a4 d4 31. Nd1 Nd3 32. b5 axb5 33. axb5 Bxb5 34. Rxb7 Bc6 35. Rb8+ Kg7 36. Rd8 Nd5 37. Kf1 N3b4 38. Ke2 d3+ 39. Kd2 Nb6 40. Kc3 N4d5+ 41. Kd4 Nf4 42. g3 Ne2+ 43. Ke3 Nc1 44. Kd2 Nb3+ 45. Kc3 Nc5 46. Nf2 Nd5+ 47. Kd2 Nb3+ 48. Kxd3 Nf6 49. Kc3 Nc5 50. Rc8 Na4+ 51. Kb4 Bd7 52. Rc7 Nb6 53. Kb3 Be6+ 54. Kc2 Nbd5 55. Ra7 Ne3+ 56. Kd3 Nf1 57. Nh3 Nxh2 58. Ng5 Bf5+ 59. Ke3 Nf1+ 60. Kf2 Nd2 61. Rxf7+ Kh6 62. f4 Nde4+ 63. Nxe4 Nxe4+ 64. Kf3 Nd2+ 65. Ke2 Nb3 66. Rb7 Nd4+ 67. Kf2 Ne6 68. Ra7 Nc5 69. Kf3 Be4+ 70. Ke3 Bf5 71. Ra5 Ne6 72. Rd5 Nc7 73. Rd6 Nb5 74. Ra6 Nc3 75. Kf3 Nd5 76. g4 Bd3 77. Rd6 Bc4 78. Kg3 Ne3 79. Rd7 g5 80. f5 Bb5 81. Re7 1-0
2024.04.09 Titled Tue 9th Apr Early
578700 Bambino Filho, A (2169) Cogan, N (2110) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 O-O 6. Bd3 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. Qc2 Re8 10. e4 Bg4 11. d5 a5 12. b3 Nbd7 13. a3 Nc5 14. b4 Nxd3 15. Qxd3 b6 16. Nb3 a4 17. Nbd2 Nh5 18. g3 Bh3 19. Rfe1 Rf8 20. Nh4 g6 21. Qf3 Qd7 22. Qe3 Kg7 23. Kh1 h6 24. f4 exf4 25. gxf4 Qg4 26. Nf5+ Kh7 27. Rg1 Qxf4 28. Qxf4 Nxf4 29. Ne3 Rae8 30. Rg3 g5 31. Rc1 f5 32. c5 fxe4 33. cxb6 cxb6 34. Rc7+ Kg6 35. Rc6 Rf6 36. Ndc4 Rd8 37. Nxb6 Nd3 38. Rg1 Nf2# 0-1
2024.04.09 Titled Tue 9th Apr Early
579050 Borgaonkar, Akshay (2372) Cogan, N (2110) 0-1
1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. Nd2 Nd6 5. e3 h6 6. Bf4 Bf5 7. Ngf3 e6 8. c4 dxc4 9. Nxc4 c6 10. Qb3 b5 11. Nxd6+ Bxd6 12. Bxd6 Qxd6 13. Bd3 Nd7 14. Bxf5 exf5 15. Rc1 O-O 16. Qc2 Rac8 17. Qxf5 Qb4+ 18. Nd2 Nb6 19. Qc2 Kh8 20. Qc3 Qd6 21. Qc5 Qe6 22. b3 Nd5 23. O-O f5 24. Nf3 f4 25. exf4 Nxf4 26. Kh1 Qg4 27. Rg1 Ne2 28. Qe5 Nxc1 29. Rxc1 Rce8 30. Qg3 Qe4 31. Ne5 Rf6 32. Rd1 Ree6 33. f3 Qe2 34. Re1 Qxa2 35. h5 Qxb3 36. Ng6+ Kh7 37. Rxe6 Qxe6 38. Qb8 Rxg6 39. hxg6+ Qxg6 40. Qxa7 Qh5+ 41. Kg1 Qg5 42. Qb6 Qd5 43. Kf2 Qc4 44. Ke3 b4 45. g4 b3 46. Qb7 Qc3+ 47. Kf4 b2 48. g5 Qc1+ 49. Kf5 b1=Q+ 0-1
2024.04.09 Titled Tue 9th Apr Early
579178 Cogan, N (2110) Demchenko, A (2609) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. e5 Nfd7 11. e6 fxe6 12. dxe6 Nf6 13. Ng5 Bxe2 14. Qxe2 Nc6 15. Be3 Qe7 16. Bf2 h6 17. Nf3 Rae8 18. O-O-O Qxe6 19. Qd3 Nb4 20. Qb1 Ng4 21. Rhe1 Qc4 22. Nd2 Nd3+ 23. Kc2 Nxe1+ 24. Rxe1 Qxf4 25. Bg3 Qf5+ 26. Kb3 Qxb1 27. Rxb1 Be5 28. Be1 Ne3 29. g3 b5 30. a3 c4+ 31. Ka2 a6 32. Rc1 Ng2 33. Nce4 d5 34. Nc5 Bd6 35. Nb7 Bxa3 36. bxa3 Rxe1 37. Rxe1 Nxe1 38. Kb2 d4 39. Nc5 c3+ 0-1
2024.04.09 Titled Tue 9th Apr Early
579528 Danielian, V (2230) Cogan, N (2110) 1/2-1/2
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 7. Bd3 c5 8. d5 exd5 9. cxd5 a6 10. a4 Re8 11. O-O Bf8 12. Re1 Bg4 13. h3 Bh5 14. Qb3 Ra7 15. Qc2 Nbd7 16. b3 Bg6 17. Bb2 Qa8 18. a5 b5 19. axb6 Nxb6 20. Nc4 Nxc4 21. bxc4 Nd7 22. e5 dxe5 23. Bxg6 hxg6 24. Nxe5 Nxe5 25. Rxe5 Bd6 26. Rxe8+ Qxe8 27. Bc3 a5 28. Re1 Qd7 29. Re4 a4 30. Qe2 Ra8 31. h4 a3 32. h5 Qf5 33. hxg6 Qxg6 34. g3 a2 35. Kg2 a1=Q 36. Bxa1 Rxa1 37. Re8+ Kh7 38. Re4 Ra8 39. Rh4+ Kg8 40. Rg4 Qf6 41. Re4 g6 42. Re8+ Rxe8 43. Qxe8+ Kg7 44. Qe4 Qe5 45. Qf3 Qd4 46. Qe2 Be5 47. f4 Bf6 48. Kf3 Qc3+ 49. Kg4 Bd4 50. Kh3 Qe3 51. Qxe3 Bxe3 52. Kg2 Kf6 53. Kf3 Bc1 54. g4 Ke7 55. Ke4 f6 56. f5 g5 57. Kd3 Kd6 58. Kc2 Bf4 59. Kb3 Be3 60. Ka4 Ke5 61. Kb5 Kd6 62. Kb6 Bd2 63. Kb5 Bb4 64. Kb6 Ba3 65. Kb5 Bb2 66. Kb6 Bd4 67. Kb5 Kd7 68. Kb6 Kd6 69. Kb5 Kc7 70. Ka6 Be3 71. Kb5 Kb7 72. Ka5 Bf4 73. Kb5 Bd6 74. Ka5 Be7 75. Kb5 Bf8 76. Ka5 Bd6 77. Kb5 Be7 78. Ka5 Kc7 79. Kb5 Kd6 80. Kb6 Bd8+ 81. Kb7 Ba5 82. Ka6 Bd8 83. Kb7 Kd7 84. Ka6 Kc7 85. Kb5 Be7 86. Ka6 Kd6 87. Kb7 Kd7 88. Kb8 Bd6+ 89. Kb7 Be7 90. Kb6 Bf8 91. Kb7 Bd6 92. Kb6 Bf8 93. Kb7 Bd6 94. Kb6 Bf8 1/2-1/2
2024.04.09 Titled Tue 9th Apr Early
579701 Novik, Ma (2415) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Qe2 O-O 8. h3 d5 9. O-O Na6 10. c3 c5 11. Bf4 Bf5 12. Nbd2 c4 13. Bd1 Bd3 14. Qe3 Bxf1 15. Nxf1 Nc7 16. Bc2 Nd7 17. Ng3 b5 18. h4 Ne6 19. Bh6 Re8 20. h5 Ndf8 21. hxg6 hxg6 22. Nh2 f5 23. Bxf5 gxf5 24. Nxf5 Ng6 25. Ng4 Rf8 26. Nxg7 Nxg7 27. Bxg7 Rf4 28. Qh3 Kxg7 29. Qh6+ Kf7 30. Qh7+ Ke6 31. Qxg6+ Kd7 32. Re1 Qg8 33. Qxg8 Rxg8 34. f3 Rg6 35. Kh2 Rf8 36. Kg3 a5 37. Rh1 b4 38. Rh7 bxc3 39. bxc3 Rb8 40. Kf4 Ke6 41. Ne3 Rf8+ 42. Nf5 Rxf5+ 43. Ke3 Rxg2 44. Rh6+ Kd7 45. Ra6 Rxa2 46. Ra7+ Ke8 47. e6 Kf8 48. Ra8+ Kg7 49. Ra7 Kf6 50. Ra6 Rc2 0-1
2024.04.09 Titled Tue 9th Apr Early
579854 Cogan, N (2110) Hayrapetyan, Edgar (2340) 0-1
1. d4 Nf6 2. c4 b6 3. Bg5 Bb7 4. e3 e6 5. Nc3 Be7 6. Nf3 O-O 7. Bd3 d5 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Rc1 Rc8 11. O-O Nxc3 12. Rxc3 Nd7 13. Qc2 Nf6 14. e4 h6 15. Rc1 c5 16. dxc5 bxc5 17. e5 Nd5 18. Rxc5 Rd8 19. a3 g5 20. h3 Rac8 21. b4 Nf4 22. Be4 Rxc5 23. bxc5 Ba6 24. c6 Ne2+ 25. Kh2 Nxc1 26. Qxc1 Qc7 27. Qc5 Bd3 28. Nd2 Kg7 29. g3 Bxe4 30. Nxe4 Rd5 31. Qc3 a6 32. Nd6 Kf8 33. a4 f5 34. f4 gxf4 35. gxf4 Qb6 36. Qc2 Qb4 37. c7 Rd2+ 0-1
2024.04.09 Titled Tue 9th Apr Early
580018 Cogan, N (2110) Solberg, J (2157) 0-1
1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nf6 6. dxc5 Bxc5 7. e3 Be6 8. Bd3 Nc6 9. O-O O-O 10. a3 a6 11. b4 Ba7 12. Bb2 d4 13. exd4 Nxd4 14. Nxd4 Bxd4 15. Qf3 Rc8 16. Rac1 Bg4 17. Qg3 Re8 18. h3 Be5 19. f4 Bd4+ 20. Kh1 Re3 21. Qh4 Rxd3 22. Na4 Bxb2 23. Nxb2 Rxc1 24. Rxc1 Rd2 25. Nc4 Rd1+ 26. Rxd1 Qxd1+ 27. Kh2 Be6 28. Ne5 Qd6 29. Qg3 h6 30. Qc3 Nd5 31. Qd4 f6 32. Nd3 Bf7 33. g3 Qe7 34. Qf2 b6 35. h4 Qe3 36. Qxe3 Nxe3 37. Kg1 Nc2 38. a4 Bc4 39. Nb2 b5 40. axb5 axb5 41. Nxc4 bxc4 42. b5 Nb4 43. Kf2 Kf7 44. b6 c3 45. b7 Nc6 46. Ke3 Ke6 47. Kd3 Kd6 48. Kxc3 Kc7 49. Kd3 Kxb7 50. Ke4 Ne7 51. g4 Kc6 52. g5 Kd6 53. gxh6 gxh6 54. f5 h5 55. Kf4 Kd5 56. Kf3 0-1
2024.04.02 Titled Tue 2nd Apr Early
583626 Cogan, N (2110) Bellahcene, B (2519) 1-0
1. d4 e6 2. c4 Nf6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O Nxe5 14. Nxe5 Bxe5 15. Bc4 Bf5 16. d6 Qxd6 17. Qb3 Rf8 18. Nd5 Nc6 19. Rad1 Bd4+ 20. Kh1 Na5 21. Qa4 Nxc4 22. Qxc4 b5 23. Qb3 Rae8 24. Nc3 a6 25. Bh6 Be6 26. Qc2 Bc4 27. Ne4 Qe6 28. Rfe1 Qf5 29. Bxf8 Rxf8 30. Qc1 Kg7 31. Ng3 Qf6 32. b3 Bd5 33. Rf1 Qc6 34. Qd2 f5 35. Ne2 Rf7 36. Nxd4 Qb7 37. Nf3 Be4 38. Qc3+ Rf6 39. Qxc5 Qf7 40. Qd4 Bxf3 41. Rxf3 g5 42. Rg3 h6 43. Rgd3 Kg6 44. Re1 Qc7 45. Rde3 Qc2 46. R3e2 Qc6 47. Re7 f4 48. Qe4+ Qxe4 49. R7xe4 Rf5 50. Re6+ Kh5 51. Rxa6 Rf8 52. Rb6 f3 53. gxf3 Rxf3 54. Re2 Rf2 55. Rxf2 1-0
2024.04.02 Titled Tue 2nd Apr Early
583908 Mikhalchenko, P (2322) Cogan, N (2110) 1-0
1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O Ne5 8. b3 Nd3 9. Ba3 d6 10. Qb1 Nb4 11. d4 cxd4 12. Nxd4 Na6 13. Rd1 Rb8 14. Ncb5 Qb6 15. Rd2 Bd7 16. Qd1 Bc6 17. Nxc6 bxc6 18. Nd4 Rfc8 19. Rc1 c5 20. Nc2 Nd7 21. h4 h5 22. Bh3 Rc7 23. Rb1 Bc3 24. Re2 Bg7 25. Bb2 Ne5 26. Bg2 Nb4 27. Nxb4 Qxb4 28. Qc2 a5 29. f4 Ng4 30. Bxg7 Kxg7 31. Bf3 Nf6 32. e4 e6 33. Rd1 Rd8 34. Red2 Ne8 35. Qb2+ Kg8 36. f5 exf5 37. exf5 Re7 38. fxg6 fxg6 39. Bd5+ Kh7 40. Rf2 Ng7 41. Rdf1 Qb8 42. Qf6 Rde8 43. Bf7 Re6 44. Bxg6+ Kh8 45. Qg5 Re5 46. Qh6+ Kg8 47. Qh7# 1-0
2024.04.02 Titled Tue 2nd Apr Early
584165 Gurevich, D (2357) Cogan, N (2110) 1-0
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Nf3 Nc6 7. O-O dxc4 8. Nxc4 Qe7 9. a3 Bd6 10. b4 a6 11. Qc2 e5 12. dxe5 Nxe5 13. Nfxe5 Bxe5 14. Nxe5 Qxe5 15. Bf4 Qe7 16. Rfd1 Re8 17. Bxc7 Be6 18. Bd6 Qd7 19. Be5 Qb5 20. Bxf6 gxf6 21. e3 Rac8 22. Qd3 Qxd3 23. Rxd3 Re7 24. Rad1 Kg7 25. h3 Rc2 26. g4 Rec7 27. Be4 Ra2 28. R1d2 Ra1+ 29. Kg2 b5 30. Bf3 Rcc1 31. Rd1 Rxd1 32. Bxd1 Bc4 33. Rd6 Rxa3 34. Bf3 a5 35. bxa5 Rxa5 36. Rb6 Ra2 37. Be4 Rb2 38. h4 b4 39. Kg3 Be6 40. f4 b3 41. f5 Bc4 42. g5 Bf1 43. Rxf6 Re2 44. Kf3 b2 45. Rb6 Rh2 46. f6+ 1-0
2024.04.02 Titled Tue 2nd Apr Early
584250 Cogan, N (2110) Pajeken, Jakob Leon (2423) 0-1
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. a4 Nc6 5. Nc3 e6 6. e3 Na5 7. e4 Bb4 8. Qc2 Nb3 9. Rb1 Nxd4 10. Nxd4 Qxd4 11. Bd2 b6 12. Be2 Bb7 13. O-O Bxc3 14. Bxc3 Qxe4 15. Qd2 Qxg2# 0-1
2024.04.02 Titled Tue 2nd Apr Early
584723 Ricaurte Lopez, J (2226) Cogan, N (2110) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. Bf4 O-O 8. Be2 Nc6 9. O-O Bg4 10. exd6 cxd6 11. d5 Bxf3 12. Bxf3 Ne5 13. Bxe5 Bxe5 14. Qd3 Bg7 15. Rac1 Nd7 16. b4 Ne5 17. Qe2 Rc8 18. Nb5 Nxf3+ 19. Qxf3 a6 20. Na3 Qd7 21. Qb3 Rc7 22. Rc2 Rfc8 23. Rfc1 h5 24. h3 Bh6 25. Rd1 Qf5 26. Re2 Bg7 27. Rd3 Qf4 28. g3 Qf5 29. Kg2 Qf6 30. Rf3 Qa1 31. c5 dxc5 32. bxc5 Rxc5 33. d6 Rc1 34. Qxf7+ Kh7 35. Rd3 Rg1+ 36. Kf3 exd6 37. Re8 Rxe8 38. Qxe8 Qf6+ 39. Ke2 Qb2+ 40. Kf3 Qf6+ 41. Ke2 Ra1 42. Nc4 Rxa2+ 43. Nd2 Qe5+ 44. Qxe5 dxe5 45. Rd7 Kg8 46. Kd3 b5 47. Ne4 Ra3+ 48. Ke2 Ra2+ 49. Kd3 Ra3+ 50. Ke2 a5 51. Ng5 Ra2+ 52. Kf3 b4 0-1
2024.04.02 Titled Tue 2nd Apr Early
584841 Osmak, Yuliia (2459) Cogan, N (2110) 1-0
1. b3 Nf6 2. Bb2 b6 3. e3 Bb7 4. Nf3 d6 5. d4 g6 6. Be2 Bg7 7. O-O O-O 8. c4 Nbd7 9. Nc3 Re8 10. Qc2 e5 11. Rad1 a6 12. d5 Nh5 13. g3 f5 14. Nd2 Nhf6 15. f4 h6 16. e4 exf4 17. exf5 g5 18. gxf4 Qe7 19. Rde1 Qe3+ 20. Kh1 c6 21. Bf3 Qxe1 22. Rxe1 Rxe1+ 23. Kg2 cxd5 24. fxg5 hxg5 25. Nxd5 Rb8 26. Kf2 Ree8 27. Nc7 Re7 28. Ne6 Bxf3 29. Nxf3 g4 30. Nfg5 1-0
2024.04.02 Titled Tue 2nd Apr Early
585191 Cogan, N (2110) Cardozo, C (2043) 1-0
1. d4 d5 2. c4 e5 3. dxe5 d4 4. a3 Nc6 5. Nf3 Nge7 6. e3 Bg4 7. Be2 dxe3 8. Qxd8+ Rxd8 9. Bxe3 Ng6 10. O-O Ngxe5 11. Nc3 Nxf3+ 12. gxf3 Be6 13. Nb5 Bd6 14. c5 Be5 15. f4 Bxb2 16. Rab1 Bd4 17. Nxc7+ Ke7 18. Rxb7 Rd7 19. Nxe6 Bxe3 20. Rxd7+ Kxd7 21. fxe3 Kxe6 22. Rd1 Rd8 23. Bc4+ Ke7 24. Rxd8 Nxd8 25. Bd5 f5 26. Bg8 Ne6 27. c6 Nf8 28. Kf2 Kd6 29. Bd5 Ne6 30. Bf3 g6 31. Ke2 Nc7 32. Kd3 Nb5 33. a4 Nc7 34. Kc4 a6 35. Kb4 Ne6 36. Ka5 Nc5 37. Kb6 Nxa4+ 38. Kxa6 Kc7 39. Kb5 Nc3+ 40. Kc5 Nd1 41. Bxd1 Kd8 42. Bb3 Ke7 43. Bg8 h6 44. Bh7 g5 45. Bxf5 gxf4 46. exf4 Kf6 47. Bh3 1-0
2024.04.02 Titled Tue 2nd Apr Early
585374 Cogan, N (2110) Bodnaruk, A (2359) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. O-O Re8 11. h3 Bxf3 12. Bxf3 Nbd7 13. Re1 c4 14. Be3 Rc8 15. Bxa7 b6 16. Nb5 Bf8 17. a4 Ra8 18. Qd4 Qc8 19. Kh1 Qb7 20. e5 dxe5 21. fxe5 Bc5 22. Qc3 Nh5 23. Bxh5 gxh5 24. e6 fxe6 25. dxe6 Nf8 26. Qxc4 Re7 27. Re5 Ng6 28. Rxh5 Rxa7 29. Nxa7 Qxa7 30. Rd1 Qc7 31. Qd5 Kg7 32. Rg5 Qf4 33. Rf5 Qe3 34. Rf7+ Rxf7 35. exf7 Qe7 36. b4 Bxb4 37. Qd4+ Qf6 38. Qxb6 Qxf7 39. Qxb4 Qf2 40. Qd4+ Qxd4 41. Rxd4 1-0
2024.04.02 Titled Tue 2nd Apr Early
585600 Lehtosaari, Mauri (2149) Cogan, N (2110) 0-1
1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. Nbd2 Nbd7 5. e3 Bd6 6. Bd3 O-O 7. O-O c5 8. c3 h6 9. Bh4 Qc7 10. Rc1 Qb6 11. Rb1 Re8 12. e4 e5 13. exd5 Nxd5 14. Nc4 Qc7 15. Nxd6 Qxd6 16. Bg3 cxd4 17. cxd4 Nf4 18. Nxe5 Nxd3 19. Nxd7 Qxd4 20. Ne5 Bf5 21. Nf3 Qb6 22. Qd2 Rad8 23. b3 Ne5 24. Qf4 Nxf3+ 25. gxf3 Bxb1 26. Rxb1 Re2 27. Rc1 Re7 28. Qh4 Rde8 29. Kg2 Qa6 30. a4 Re1 31. Rxe1 Rxe1 32. Qd8+ Kh7 33. Kh3 Qf1+ 34. Kg4 Re6 35. f4 Qe2+ 36. Kh3 Qf3 37. Qd7 Rf6 0-1
2024.04.02 Titled Tue 2nd Apr Early
585881 Cogan, N (2110) Iljin, T (2283) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 e5 7. fxe5 Nh5 8. exd6 Nc6 9. Be3 Qxd6 10. e5 Qd8 11. Be2 f5 12. Bg5 Qe8 13. Qd2 f4 14. Bh4 Bf5 15. O-O h6 16. Kh1 g5 17. Bf2 Rd8 18. Rad1 Nxe5 19. Nxe5 Bxe5 20. dxe5 Rxd2 21. Rxd2 g4 22. Bd4 Ng3+ 23. hxg3 Qh5+ 24. Kg1 fxg3 25. Rf4 Qh2+ 26. Kf1 Be6 27. Rxf8+ Kxf8 28. Bd3 h5 29. Ne4 h4 30. Bg1 Qh1 31. Ng5 h3 32. Nxe6+ Ke7 33. Nf4 h2 34. Ne2 c6 35. b3 Ke6 36. Be4 Kxe5 37. Bc2 hxg1=Q+ 38. Nxg1 Qh6 39. Re2+ Kd4 40. Be4 Qf4+ 41. Bf3 gxf3 42. Nxf3+ Kc3 43. Re1 Kb2 44. Re2+ Ka3 45. Rd2 Qf5 46. Ke2 Qe4+ 47. Kf1 a5 48. Re2 Qh7 49. Re1 Kxa2 50. Ng1 Qf7+ 51. Ke2 Kxb3 52. Kd1 Qxc4 53. Re3+ Kb4 54. Ne2 Qd5+ 55. Ke1 Qxg2 56. Kd2 Qd5+ 57. Rd3 Qg5+ 58. Kc2 g2 59. Rb3+ Kc5 60. Rc3+ Kb6 61. Rb3+ Ka7 62. Rb1 Qe3 63. Re1 g1=Q 0-1
2024.04.02 Titled Tue 2nd Apr Early
585961 Kanter, E (2344) Cogan, N (2110) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Nc3 d6 7. Bg2 Bxc3 8. Bxc3 Ne4 9. Qc2 Nxc3 10. Qxc3 Nd7 11. O-O c6 12. e4 e5 13. Rfe1 Re8 14. Rad1 Nf6 15. h3 b6 16. b4 a5 17. a3 axb4 18. axb4 Bb7 19. dxe5 dxe5 20. c5 bxc5 21. bxc5 Ba6 22. Rd6 Bb5 23. Nh4 Ra4 24. Nf5 Qc7 25. Qd2 Rc4 26. Rxf6 Rxc5 27. Qg5 g6 28. Nh6+ Kg7 29. Rxf7+ Qxf7 30. Nxf7 Kxf7 31. Qh6 Kg8 32. Rd1 1-0
2024.04.02 Titled Tue 2nd Apr Late
586155 Gavrilin, Roman (2185) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nf3 g6 7. Nc3 Bg7 8. Be3 O-O 9. Qd2 Bf5 10. h4 h5 11. Bd3 Qd7 12. b3 Nc6 13. Rc1 e5 14. dxe5 dxe5 15. Bxf5 Qxf5 16. Qc2 Qg4 17. O-O Nd4 18. Bxd4 exd4 19. Ne4 Qxh4 20. Nxh4 1-0
2024.04.02 Titled Tue 2nd Apr Late
586523 Cogan, N (2110) Goltsev, Dmitry (2215) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Bd3 Bg6 8. Nge2 Bd6 9. f3 h6 10. Bh4 Na6 11. Bxg6 fxg6 12. O-O O-O 13. a3 Nc7 14. Kh1 g5 15. Bg3 Re8 16. Qd3 Nh5 17. Bxd6 Qxd6 18. e4 Ne6 19. e5 Qe7 20. g3 Qf7 21. Rf2 Rf8 22. Raf1 Rad8 23. b4 b6 24. f4 gxf4 25. gxf4 Qf5 26. Qe3 c5 27. bxc5 bxc5 28. Nb5 Qg4 29. f5 cxd4 30. Nbxd4 Ng5 31. e6 Rde8 32. Nf4 Nf6 33. Ng6 Nfe4 34. Rg2 Qh5 35. Nxf8 Rxf8 36. Qe2 Qh4 37. Qg4 Qxg4 38. Rxg4 Rc8 39. h4 Nh7 40. Nf3 Nhf6 41. Rg2 Rc3 42. Ne5 Kf8 43. Rfg1 Rh3+ 44. Rh2 Re3 45. Kg2 Re2+ 46. Kh3 Nf2+ 47. Rxf2 Rxf2 48. Ng6+ Ke8 49. Rb1 Kd8 50. e7+ Kd7 51. Rb7+ Kd6 52. Rb8 Rxf5 53. e8=Q Nxe8 54. Rxe8 Rf3+ 55. Kg4 Rxa3 56. Rd8+ Kc5 57. Rg8 Ra4+ 58. Kh5 d4 59. Rxg7 d3 60. Rd7 Rd4 61. Rxd4 Kxd4 62. Kxh6 d2 63. h5 d1=Q 64. Nf8 Qf3 65. Ng6 a5 66. Ne7 Qf6+ 67. Ng6 a4 68. Kh7 a3 69. h6 a2 70. Ne7 a1=Q 71. Kg8 Qa8+ 0-1
2024.04.02 Titled Tue 2nd Apr Late
586668 Grabinsky, V (2192) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 h6 9. Nf3 O-O 10. O-O Na6 11. c3 Bf5 12. Na3 c5 13. Bc2 Bxc2 14. Nxc2 cxd4 15. cxd4 e6 16. g4 Rc8 17. f5 exf5 18. gxf5 gxf5 19. Ne3 Rc6 20. Nxf5 Rg6+ 21. Kh1 Nc7 22. N3h4 Ne6 23. Be3 Nc4 24. Qe2 Nxe3 25. Qxe3 Qg5 26. Qxg5 Rxg5 27. Rad1 Re8 28. Nd6 Re7 29. Nhf5 Rc7 30. Rc1 Rxc1 31. Rxc1 Rg4 32. Rc8+ Kh7 33. Nxf7 Nxd4 34. Nxd4 Rxd4 35. e6 Re4 36. Re8 Kg6 37. Nd6 Re1+ 38. Kg2 Bxb2 39. e7 Kg7 40. Nf5+ Kf7 41. Rf8+ 1-0
2024.04.02 Titled Tue 2nd Apr Late
586828 Cogan, N (2110) Corona Monraz, Ramiro (1969) 1-0
1. d4 d6 2. c4 Nd7 3. Nc3 h6 4. e4 c6 5. f4 g5 6. fxg5 Bg7 7. Nf3 Nf8 8. Bd3 Ne6 9. gxh6 Nxh6 10. Bc2 Qb6 11. Na4 Qb4+ 12. Nc3 Qxc4 13. Bb3 Qa6 14. h3 Ng4 15. Rf1 Nf6 16. Be3 Qa5 17. Qd2 b5 18. e5 dxe5 19. Nxe5 Qc7 20. Rc1 Qd6 21. Qf2 Rf8 22. Rd1 b4 23. Na4 Ba6 24. Rg1 Nd5 25. Bd2 Bxe5 26. Bxd5 Qxd5 27. dxe5 Qxe5+ 28. Qe3 Qxe3+ 29. Bxe3 1-0
2024.04.02 Titled Tue 2nd Apr Late
586972 Ricaurte Lopez, J (2226) Cogan, N (2110) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 g6 7. Nc3 Bg7 8. Be3 O-O 9. Qd2 c5 10. d5 Bxe5 11. Nf3 Bg7 12. Bxc5 N8d7 13. Bd4 Nf6 14. O-O-O Bf5 15. Bd3 Bxd3 16. Qxd3 Rc8 17. b3 Nbd7 18. Kb1 Nc5 19. Qe2 a6 20. Rhe1 Re8 21. Ne5 b5 22. Nc6 Qd6 23. Nxe7+ Kh8 24. Nxc8 Qd8 25. Nd6 Rf8 26. Bxc5 Kg8 27. Qe7 Qa8 28. Bd4 bxc4 29. Bxf6 1-0
2024.04.02 Titled Tue 2nd Apr Late
587233 Chlpik, Martin (2288) Cogan, N (2110) 1-0
1. e4 Nf6 2. Nc3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 e5 6. Bg5 Nbd7 7. Bc4 c6 8. Nf3 Bd6 9. Ke2 h6 10. Bh4 O-O 11. Rad1 Bc7 12. Bg3 Nh5 13. Nh4 a5 14. a4 Nc5 15. Nf5 Bxf5 16. exf5 Rad8 17. f3 Nxg3+ 18. hxg3 Rd4 19. Ba2 Rb4 20. b3 e4 21. f4 Bd8 22. Bb1 Bf6 23. Na2 Rb6 24. g4 Re8 25. Rh5 Bb2 26. g5 Ra6 27. f6 gxf6 28. gxh6 Kh7 29. Rxc5 Rg8 30. Kf1 Raa8 31. Rd7 Raf8 32. c3 Kxh6 33. Bxe4 Rg3 34. Bf3 Rg5 35. fxg5+ Kg7 36. Rxb7 f5 37. Rxf5 Ba3 38. Bxc6 Bc1 39. Bd5 Bb2 40. Rfxf7+ Rxf7+ 41. Rxf7+ Kg6 42. Rb7 Kxg5 43. Rb5 Ba3 44. Rxa5 Kf4 45. Rb5 Ke3 46. b4 Kd2 47. a5 Bb2 48. a6 Kc2 49. a7 Kb1 50. a8=Q Ka1 51. Qg8 Kb1 52. Qg6+ Ka1 53. Bb3 Bc1 54. Qc2 Bb2 55. Nc1 Bxc1 56. Ra5+ Ba3 57. Rxa3# 1-0
2024.04.02 Titled Tue 2nd Apr Late
587344 Cogan, N (2110) Nunez Hirales, J (1955) 0-1
1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 Nf6 8. Qb3 Qd6 9. Ne2 O-O 10. f3 Re8 11. Kf2 b6 12. Re1 Ba6 13. Ng3 Bxf1 14. Rhxf1 Na5 15. Qc2 c5 16. Kg1 Rac8 17. Qd3 g6 18. Ne2 e4 19. fxe4 Nxe4 20. Rf4 Nxd2 21. Qxd2 Nc4 22. Qd3 Nxe3 23. Rf3 Ng4 24. g3 h5 25. Ref1 Rc7 26. h3 Nh6 27. d5 Qe5 28. Nf4 Nf5 29. R1f2 Rd7 30. Re2 Qb8 31. Rff2 Rde7 32. Rxe7 Rxe7 33. Re2 Qd6 34. Rxe7 Qxe7 35. Kf2 Qd6 36. c4 Kg7 0-1
2024.04.02 Titled Tue 2nd Apr Late
587496 Cogan, N (2110) Burke, Paul 1/2-1/2
1. d4 a6 2. e4 d6 3. Bc4 g6 4. Nc3 h6 5. Be3 Bg7 6. Qd2 e6 7. f4 b5 8. Bb3 Nd7 9. Nf3 Ne7 10. a3 O-O 11. O-O Nb6 12. Kh1 Nc4 13. Bxc4 bxc4 14. Qe2 a5 15. Qxc4 Ba6 16. Qa4 Bxf1 17. Rxf1 Qe8 18. Qc4 c6 19. Qd3 d5 20. e5 Rb8 21. Na4 Nf5 22. Bd2 c5 23. Nxc5 Rxb2 24. Bxa5 Qb5 25. Bb4 Qxd3 26. Nxd3 Rxc2 27. Bxf8 Bxf8 28. Ra1 Rc3 29. Nf2 Rxa3 30. Rxa3 Bxa3 31. g4 Ne3 32. h3 Bb2 33. Nd3 Bc3 34. Nc5 Nc2 35. Nb3 Kf8 36. Kh2 Ke7 37. Kg2 Kd7 38. Kf2 Kc6 39. Ke2 Nb4 40. Ke3 Kb5 41. f5 Kc4 42. Na5+ Kb5 43. Nb3 Kc4 44. Na5+ Kb5 45. Nb3 1/2-1/2
2024.04.02 Titled Tue 2nd Apr Late
587669 Gonzalez Zharikov, Andrey (2037) Cogan, N (2110) 1-0
1. c4 Nf6 2. d4 e6 3. a3 b6 4. Nd2 Bb7 5. Ngf3 c5 6. e3 cxd4 7. exd4 d5 8. b3 Bd6 9. Be2 O-O 10. O-O Nbd7 11. Bb2 Rc8 12. Re1 Nh5 13. Bf1 Nhf6 14. Rc1 Ne4 15. Bd3 Nxd2 16. Nxd2 Qh4 17. Nf3 Qh6 18. Qe2 Rfd8 19. Rcd1 Nf6 20. Ne5 dxc4 21. bxc4 Qh5 22. f3 Qh4 23. Qe3 Bxe5 24. Qxe5 Ba6 25. Qe2 Rd7 26. Kh1 Rdc7 27. g3 Qh5 28. d5 exd5 29. Bxf6 gxf6 30. g4 Qe5 31. Qxe5 fxe5 32. cxd5 Bxd3 33. Rxd3 f6 34. d6 Rd7 35. Red1 Rcd8 36. Kg2 Kf7 37. f4 Ke6 38. f5+ Kf7 39. Kf3 Rc8 40. h3 Rc4 41. Re3 Rc6 42. Red3 Rc4 43. Ke3 h6 44. R1d2 Ke8 45. Rb3 Rd8 46. Rb4 Rxb4 47. axb4 Kd7 48. Ra2 Kxd6 49. Rxa7 Rc8 50. Rf7 Rc3+ 51. Kf2 Rxh3 52. Rxf6+ Kd5 53. Rg6 Ke4 54. f6 1-0
2024.04.02 Titled Tue 2nd Apr Late
587820 Yang, Kevin (2096) Cogan, N (2110) 0-1
1. c4 e5 2. Nc3 b6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb7 6. e3 g6 7. Nc2 Bg7 8. Be2 Nge7 9. O-O O-O 10. Bf3 Qc8 11. Bd2 Ne5 12. Bxb7 Qxb7 13. b3 d5 14. Qe2 dxc4 15. bxc4 c5 16. f4 N5c6 17. Rad1 Rad8 18. e4 Nd4 19. Nxd4 Rxd4 20. e5 Qa6 21. Nb5 Rdd8 22. Bc3 Nf5 23. g4 Nd4 24. Bxd4 cxd4 25. Rxd4 Rxd4 26. Nxd4 Rc8 27. Nb5 Qa4 28. Nd6 Rd8 29. Rd1 Qd7 30. Rd5 Bf8 31. Ne4 Qc8 32. Nf6+ Kg7 33. Kg2 Qc6 34. Qe4 Rc8 35. Rd4 Qa4 36. Qe2 Be7 37. Nd5 Bc5 38. Re4 Rd8 39. f5 b5 40. cxb5 Qa5 41. Nf4 Rd2 42. f6+ Kf8 43. e6 Rxe2+ 44. Rxe2 Qxb5 45. e7+ Ke8 46. Rd2 Bxe7 47. fxe7 Kxe7 48. Kg3 Kf8 49. Nd5 Kg7 50. Ne3 Qb8+ 51. Kf3 Qb1 52. Kf2 Qh1 53. Kg3 Qg1+ 54. Kf3 Qh1+ 55. Rg2 Qa1 56. Kf2 a5 57. Kf3 a4 58. h4 Qe5 59. h5 a3 60. hxg6 hxg6 61. Rd2 Qe7 62. Ke2 f5 63. gxf5 gxf5 64. Rd4 Kf6 65. Kd3 Qb7 66. Nd5+ Kg5 67. Nc3 Qb2 68. Rd5 Kg4 69. Rd8 f4 70. Rg8+ Kh5 71. Rf8 Qc1 72. Rh8+ Kg6 73. Rg8+ Kh7 74. Rg2 Qf1+ 75. Re2 f3 76. Ke3 fxe2 77. Nxe2 Qe1 78. Kd3 Qb1+ 79. Kc3 Qxa2 80. Nd4 Qb2+ 81. Kc4 a2 82. Nb3 a1=Q 0-1
2024.04.02 Titled Tue 2nd Apr Late
587846 Cogan, N (2110) Kostiukov, A (2271) 1-0
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nf3 exd4 6. Nxd4 Nc6 7. Be3 Nge7 8. Be2 O-O 9. O-O f5 10. exf5 Bxd4 11. Bxd4 Nxf5 12. Be3 Nxe3 13. fxe3 Rxf1+ 14. Qxf1 Be6 15. Nd5 Kg7 16. Qe1 Ne5 17. Qc3 Qg5 18. Nf4 Bf7 19. c5 Re8 20. cxd6 cxd6 21. Rd1 Qe7 22. Qa3 a6 23. Qxd6 Qxd6 24. Rxd6 g5 25. Nd5 1-0
2024.03.26 Titled Tue 26th Mar Early
592384 Cogan, N (2070) King, Alexander (2263) 0-1
1. d4 e6 2. c4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Nb1 Bxc5 8. g3 Nf6 9. Bg2 O-O 10. O-O Re8 11. a3 a5 12. Nbd2 Bg4 13. h3 Bf5 14. Nb3 Bb6 15. g4 Bg6 16. Bg5 h6 17. Bh4 a4 18. Nc1 Qd6 19. Bg3 Qe7 20. Re1 Ne4 21. Bf4 Qf6 22. Nd3 Bh7 23. Nfe5 Nxe5 24. Bxe5 Rxe5 25. Nxe5 Qxe5 26. Rc1 Nxf2 27. Kxf2 Qe3+ 28. Kf1 d3 29. Qxd3 Qf2# 0-1
2024.03.26 Titled Tue 26th Mar Early
592692 Cogan, N (2070) Tilahun, Abel Mathewos (1972) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Bg4 8. Qc2 Nbd7 9. Nge2 c6 10. O-O Bh5 11. f3 Bg6 12. e4 dxe4 13. fxe4 Ng4 14. Bxe7 Qxe7 15. Qd2 Rad8 16. h3 Ngf6 17. e5 Ne8 18. Bxg6 hxg6 19. Qe3 Nc7 20. Ne4 Nd5 21. Qg3 Rfe8 22. Nd6 N7b6 23. Nxb7 Qxb7 24. Rac1 Rd7 25. Rf2 Red8 26. a3 Na4 27. e6 fxe6 28. Qxg6 Re7 29. Ng3 Nxb2 30. Rb1 Qb3 31. Rfxb2 Qxa3 32. Rb8 Qd6 33. R8b7 Rdd7 34. Rxd7 Rxd7 35. Ne4 Qf8 36. Ng5 Ne3 37. Qh7# 1-0
2024.03.26 Titled Tue 26th Mar Early
593070 Mizzi, Jack (2043) Cogan, N (2070) 1-0
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Bd6 8. Qxc4 O-O 9. O-O e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bc3 Qe7 13. Bxe5 Qxe5 14. Nc3 c6 15. Rad1 Be6 16. Qd4 Qa5 17. b4 Qb6 18. b5 cxb5 19. Qxb6 axb6 20. Nxb5 Rxa2 21. Rfe1 Bc4 22. Nd6 Bxe2 23. Rb1 Ba6 24. Rxb6 h6 25. Bxb7 Nd7 26. Rxa6 Rd2 27. Ne4 Rd4 28. Rd6 Rxd6 29. Nxd6 Nc5 30. Bd5 Rd8 31. Re8+ Rxe8 32. Nxe8 Kf8 33. Nd6 f6 34. f4 Ke7 35. Nf5+ Kf8 36. Kf1 g6 37. Nxh6 Na4 38. Kf2 Nb6 39. Bb3 Nd7 40. f5 g5 41. Ke3 Ne5 42. Bd1 Kg7 43. Ng4 Nf7 44. Kd4 Nd6 45. Ne3 Nf7 46. Kd5 Ne5 47. Be2 Nd7 48. Kd6 Ne5 49. Ke6 Nc6 50. Bd1 Nd4+ 51. Kd7 Kf7 52. Kd6 Nb5+ 53. Kc5 Nc3 54. Bb3+ Kg7 55. Bc4 Ne4+ 56. Kd5 Nd2 57. Be2 Nb3 58. h4 gxh4 59. gxh4 Na5 60. Bc4 Nb7 61. Ng4 Nd8 62. h5 Nf7 63. Ke6 Ng5+ 64. Ke7 Ne4 65. Bf7 Ng3 66. h6+ Kh7 67. Bg6+ Kh8 68. Kxf6 Ne4+ 69. Ke7 Ng5 70. Ne5 Kg8 71. Nf7 Nxf7 72. Bxf7+ Kh7 73. Be6 Kxh6 74. f6 Kg5 75. f7 Kf4 76. f8=Q+ Ke5 77. Qf5+ Kd4 78. Qd5+ 1-0
2024.03.26 Titled Tue 26th Mar Early
593092 Zepeda Berlanga, Jan Enrique (1906) Cogan, N (2070) 0-1
1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Bxd2 Bxg7 7. c3 Nc6 8. Nf3 Bg4 9. Be2 Qd6 10. Qa4 h5 11. h3 Bd7 12. O-O-O Nd4 13. Qc4 Bb5 14. Qxb5+ Nxb5 15. Bxb5+ c6 16. Bc4 Bh6 17. Bg5 Bxg5+ 0-1
2024.03.26 Titled Tue 26th Mar Early
593311 Cogan, N (2070) Donchenko, An (2233) 0-1
1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. a4 Nf6 5. e3 e6 6. Bxc4 c5 7. O-O Nc6 8. dxc5 Bxc5 9. Qe2 Qc7 10. e4 Ng4 11. h3 Nd4 12. hxg4 Nxe2+ 13. Bxe2 b6 14. Nc3 Bb7 15. Bg5 h6 16. Bh4 g5 17. Bg3 Qxg3 0-1
2024.03.26 Titled Tue 26th Mar Late
594389 Cogan, N (2070) Zhu, Jiner (2467) 0-1
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 g6 5. b3 Bg7 6. Bb2 O-O 7. e4 bxc4 8. Bxc4 d6 9. Qc2 Re8 10. Ne2 e6 11. dxe6 Bxe6 12. Bxe6 Rxe6 13. f3 Nc6 14. O-O Nb4 15. Qc4 d5 16. exd5 Qxd5 17. Nf4 Qxd2 18. Nxe6 Qxb2 19. Nxc5 Nbd5 20. Nd3 Qa3 21. Rfe1 h5 22. Rac1 Qxa2 23. Rc2 Qa5 24. Rce2 Kh7 25. b4 Qb6+ 26. Kh1 Rd8 27. Ne5 Qb7 28. Ra2 Rc8 29. Qd3 Nxb4 30. Qb3 Rc7 31. Rb1 Nfd5 32. Ra4 Bxe5 33. f4 Bxf4 34. Qf3 Qb5 0-1
2024.03.26 Titled Tue 26th Mar Late
594714 Davidson, Kevin (2154) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. Be2 d5 11. c5 Nc8 12. Nf3 Nc6 13. O-O Bg4 14. Qd2 e6 15. Bh6 Bxh6 16. Qxh6 Bxf3 17. Bxf3 Nxd4 18. Bd1 Ne7 19. Re1 Rc8 20. b4 Nef5 21. Qd2 Qf6 22. Qf4 Kg7 23. g3 Rfe8 24. Bg4 h5 25. Bxf5 Nxf5 26. Nb5 Qb2 27. Nxa7 Ra8 28. Nb5 Rxa2 29. Rb1 Qd2 30. Qxd2 Rxd2 31. Ra1 Rb2 32. Reb1 Rxb1+ 33. Rxb1 Ra8 34. Rc1 Ra4 35. Nd6 Rxb4 36. Nxf5+ gxf5 37. c6 bxc6 38. Rxc6 f4 39. Kg2 Kf6 40. Rc7 fxg3 41. hxg3 Rb5 42. Rd7 Rb8 43. Kf3 Rf8 44. Kf4 Rb8 45. Kf3 Rb3+ 46. Ke2 Kg6 47. Kd2 f6 48. Ke2 Kf5 49. Rh7 Kg6 50. Re7 e5 51. Rd7 d4 52. Rd6 Kg5 53. Kf1 Kf5 54. Ke2 Rb2+ 55. Kf1 Rc2 56. Kg2 Rc8 57. Kf1 Rf8 58. Ke2 Ke4 59. f3+ Kf5 60. Kd3 Rg8 61. g4+ hxg4 62. fxg4+ Rxg4 63. Ke2 Rg3 64. Kf2 Ra3 65. Ke2 Ke4 66. Rxf6 Ra2+ 67. Kd1 Ke3 68. Re6 e4 69. Kc1 d3 70. Rh6 d2+ 71. Kd1 Ra1+ 72. Kc2 d1=Q+ 73. Kc3 Rc1+ 74. Kb4 Qd2+ 75. Ka4 Qa2+ 76. Kb4 Qb2+ 77. Ka4 Ra1# 0-1
2024.03.26 Titled Tue 26th Mar Late
594878 Cogan, N (2070) Domingo Nunez, Alejandro (2316) 0-1
1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. O-O Re8 11. h3 Bxf3 12. Bxf3 Nfd7 13. Qd3 Qb6 14. Kh1 Na6 15. a3 Rac8 16. Bd2 c4 17. Qc2 Nac5 18. Be3 Qa6 19. Rad1 Nd3 20. Be2 N7c5 21. f5 Nxe4 22. Nxe4 Rxe4 23. Bg5 Rce8 24. Bf3 R4e5 25. fxg6 hxg6 26. Bh4 Re3 27. Bg5 R3e5 28. Bh4 Re3 29. Bg5 Ne1 30. Qf2 Rxf3 31. gxf3 Nd3 32. Qg3 Bxb2 33. f4 Bg7 34. f5 Qxa3 35. fxg6 fxg6 36. Bf4 Qc5 37. Bxd6 Qxd5+ 38. Kh2 Re2+ 39. Rf2 Rxf2+ 40. Qxf2 Qxd6+ 41. Qg3 Be5 42. Rxd3 cxd3 43. Qxe5 Qxe5+ 44. Kg2 Qf4 45. h4 d2 46. h5 d1=Q 0-1
2024.03.26 Titled Tue 26th Mar Late
595043 Cogan, N (2070) Kandil, Adham (2294) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nb6 7. Be3 O-O 8. Nf3 Nc6 9. d5 Na5 10. Be2 Bg4 11. Bd4 Bxf3 12. gxf3 Bxd4 13. Qxd4 Qd6 14. e5 c5 15. Qe3 Qc7 16. h4 Nac4 17. Qh6 Qxe5 18. h5 Nxb2 19. Kd2 N2c4+ 20. Kc2 Nxd5 21. Nxd5 Qxe2+ 22. Kc3 Qb2+ 23. Kxc4 Qd4+ 24. Kb3 Qxd5+ 25. Kc2 Qc4+ 26. Kb2 Qd4+ 27. Kc2 Qg7 0-1
2024.03.26 Titled Tue 26th Mar Late
595308 Antoniou, Rafail (2036) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. Nf3 d6 5. exd6 cxd6 6. c4 g6 7. Nc3 Bg7 8. Be2 O-O 9. Be3 Bg4 10. Rc1 Nc6 11. O-O d5 12. c5 Nc8 13. a3 e6 14. b4 a6 15. h3 Bxf3 16. Bxf3 N8e7 17. Qb3 Nf5 18. b5 Ncxd4 19. Qb4 Nxf3+ 20. gxf3 d4 21. Rfd1 Qh4 22. Ne2 dxe3 23. Qxh4 Nxh4 24. fxe3 Nxf3+ 25. Kf2 Ne5 26. b6 Rac8 27. Nd4 Nd7 28. c6 bxc6 29. Nxc6 Nxb6 30. Ne7+ Kh8 31. Nxc8 Nxc8 32. Rd7 Nb6 33. Ra7 Nd5 34. Rxa6 Bh6 35. Re1 Rb8 36. e4 Nf4 37. Rd1 Nxh3+ 38. Kg3 Ng5 39. Ra7 Rb3+ 40. Kg2 Kg7 41. e5 Rb2+ 42. Kg3 Ne4+ 43. Kf3 Nd2+ 44. Kg4 Be3 45. Rc1 h5+ 46. Kh3 Ne4 47. Rac7 g5 48. R1c2 Rb3 49. Kg2 Rxa3 50. Rb7 g4 51. Rb4 Ng5 52. Rc7 Kg6 53. Rb2 Bf4 54. Rc4 Bxe5 55. Re2 f6 56. Rc8 h4 57. Rc4 h3+ 58. Kf2 g3+ 59. Ke1 h2 60. Rh4 Nf3+ 61. Kf1 Nxh4 62. Re4 h1=Q+ 63. Ke2 Qxe4+ 64. Kf1 Qf3+ 65. Ke1 Bc3# 0-1
2024.03.26 Titled Tue 26th Mar Late
595454 Cogan, N (2070) Buchenau, F (2175) 0-1
1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. e3 O-O 7. Bd3 c5 8. O-O cxd4 9. Nxd4 Na6 10. Rc1 Be7 11. Qe2 Nc5 12. Bb1 d5 13. cxd5 Nxd5 14. Rfd1 Rc8 15. e4 Nxc3 16. Bxc3 Qe8 17. e5 Na4 18. Rd3 Bg5 19. Rh3 g6 20. Rc2 Nxc3 21. Rcxc3 Rxc3 22. bxc3 Qe7 23. Qg4 Rc8 24. f4 Qa3 25. Qxg5 Qc1+ 26. Kf2 Qxb1 27. Qh6 Qb2+ 28. Kg3 Qxg2+ 29. Kh4 Qf2+ 30. Kg5 f6+ 31. Kxf6 Rf8+ 32. Kxe6 Rf7 33. Qh4 Bc8+ 34. Kd6 Qg2 35. Rg3 Qb7 36. Qd8+ Rf8 37. Qc7 Qe4 38. Nc6 Qxf4 39. Ne7+ Kh8 0-1
2024.03.26 Titled Tue 26th Mar Late
595579 Padmini, R (2353) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. Nf3 d5 11. c5 Nc8 12. Be2 Nc6 13. O-O Bg4 14. h3 Bxf3 15. Bxf3 e6 16. a3 N8e7 17. b4 a6 18. g4 f5 19. Ne2 fxg4 20. Bxg4 Nf5 21. Bxf5 Rxf5 22. Ng3 Rf7 23. Qg4 Qf6 24. Ne2 e5 25. Rcd1 Re8 26. Qg2 e4 27. Nf4 Qf5 28. f3 Bh6 29. Nxd5 exf3 30. Rxf3 Qxd5 31. Rxf7 Bxe3+ 32. Rf2 Qxg2+ 33. Kxg2 Bxf2 34. Kxf2 Kf7 35. d5 Ne5 36. d6 Ke6 37. Ke3 Rf8 38. Rd4 Rf3+ 39. Ke4 Rxh3 40. Rd1 Rxa3 41. Rh1 h5 42. Rg1 Rb3 43. Rg5 Rxb4+ 44. Ke3 Rg4 0-1
2024.03.26 Titled Tue 26th Mar Late
595753 Belenkaya, D (2164) Cogan, N (2070) 1-0
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. O-O Be7 6. Nbd2 O-O 7. Ne5 Nbd7 8. Nxd7 Qxd7 9. e4 dxe4 10. dxe4 Bg6 11. Qe2 e5 12. Nc4 Qe6 13. Bg5 h6 14. Bxf6 Bxf6 15. Ne3 Be7 16. Rfd1 Rfd8 17. Nd5 Bc5 18. Nxc7 Qb6 19. Nxa8 Rxa8 20. c3 f6 21. b4 Bf8 22. Rd7 Be8 23. Rd2 Rc8 24. Rad1 Bb5 25. Qf3 a5 26. Bh3 Rc7 27. Rd8 axb4 28. cxb4 Bc4 29. a3 Bf7 30. Bf5 Rc2 31. Bh7+ Kxh7 32. Rxf8 Rc7 33. Rdd8 g6 34. h4 Rc1+ 35. Kg2 h5 36. Rxf7+ 1-0
2024.03.26 Titled Tue 26th Mar Late
595972 Cogan, N (2070) Novikova, Galina (2073) 1-0
1. d4 e5 2. dxe5 d6 3. Nf3 Bg4 4. Nc3 Nc6 5. Bg5 Qd7 6. e4 h6 7. Bh4 g5 8. Bg3 O-O-O 9. exd6 Bxd6 10. Bxd6 Qe8 11. Bd3 Rxd6 12. h3 Bh5 13. Qc1 f5 14. Nb5 Re6 15. Nd2 fxe4 16. Bc4 Re5 17. O-O Nf6 18. Nc3 g4 19. h4 g3 20. fxg3 Ng4 21. Qe1 e3 22. Nf3 Re7 23. Nd5 Rd7 24. Qe2 Rg8 25. Rae1 Qe4 26. Nxe3 Nxe3 27. Bxg8 Re7 28. Bb3 Qg4 29. Qf2 Nf5 30. Rxe7 Ncxe7 31. Be6+ Kb8 32. Ne5 Qe4 33. Nd7+ Ka8 34. Bxf5 Nxf5 35. Qxf5 Qd4+ 36. Qf2 Qxd7 37. Qf8+ Be8 38. Re1 Qd4+ 39. Kh2 a6 40. Qxe8+ Ka7 41. Qe3 Qxe3 42. Rxe3 1-0
2024.03.26 Titled Tue 26th Mar Late
596135 Jackson, Edward (2156) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. Nc3 Bg4 9. Be3 Nc6 10. h3 Bxf3 11. Bxf3 Nxc4 12. exd6 cxd6 13. Qb3 Nxe3 14. fxe3 Na5 15. Qa4 Rc8 16. Nd5 Nc4 17. Qxa7 e6 18. Nc3 Nxe3 19. Rf2 Nf5 20. Rd1 Rc4 21. Rfd2 b6 22. Be2 Rxd4 23. Qa3 Qg5 24. Rd3 d5 25. Bf3 Nh4 26. Kf2 Nxf3 27. gxf3 Rh4 28. Rh1 Bd4+ 29. Kf1 Qg3 30. Nd1 Rxh3 31. Rxh3 Qxh3+ 32. Ke2 Qg2+ 33. Ke1 Qg1+ 34. Ke2 Qg2+ 35. Ke1 Be5 36. f4 Bxf4 37. Rf3 Bg5 38. Qd3 Bh4+ 39. Nf2 Rc8 40. Ke2 Bxf2 41. Rxf2 Qg4+ 42. Kd2 Qc4 43. Qxc4 Rxc4 44. b3 Rc5 45. Kd3 h5 46. b4 Rc4 47. Rb2 h4 48. a4 g5 49. a5 bxa5 50. bxa5 Ra4 51. Rb5 Kg7 52. Kc3 h3 53. Kb3 Ra1 54. Kb2 Ra4 55. Kb3 Ra1 56. Kb2 h2 57. Kxa1 h1=Q+ 58. Rb1 Qe4 59. Rb2 Qa4+ 60. Ra2 Qd1+ 61. Kb2 Qd4+ 62. Kb1 Qa7 63. a6 f5 64. Kc2 Kf6 65. Kc3 g4 66. Kb4 g3 67. Ka5 Qc5+ 68. Ka4 Qc4+ 69. Ka3 Qxa6+ 70. Kb2 Qxa2+ 71. Kxa2 g2 72. Kb3 g1=Q 73. Kb2 Qb6+ 74. Ka2 f4 75. Ka3 f3 76. Ka2 f2 77. Ka1 f1=Q+ 78. Ka2 Qfb1+ 79. Ka3 Q1b3# 0-1
2024.03.26 Titled Tue 26th Mar Late
596217 Kandil, Ahmed (2201) Cogan, N (2070) 0-1
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. d4 Bf5 5. Nf3 e6 6. Be2 Be7 7. O-O O-O 8. Nxd5 exd5 9. Bd3 Bg4 10. Re1 Bf6 11. h3 Bh5 12. Bf4 Nd7 13. c3 c6 14. a4 a5 15. Kh2 Re8 16. Rxe8+ Qxe8 17. Qc2 Bg6 18. Re1 Qf8 19. Bxg6 hxg6 20. Qe2 Nb6 21. Bg5 Nc4 22. b3 Nd6 23. Bxf6 gxf6 24. Qe7 Re8 25. Qd7 Rxe1 26. Nxe1 Qb8 27. Kg1 Ne4 28. c4 Qf4 29. Nf3 Qc1+ 30. Kh2 dxc4 31. Qe8+ Kg7 32. bxc4 Qf4+ 33. Kg1 Qc1+ 34. Kh2 Nxf2 35. d5 Qxc4 36. dxc6 Qxc6 37. Qe3 Nd1 38. Qd3 Nc3 39. Qd4 Nd5 40. Kg3 Qc7+ 41. Kf2 Qc2+ 42. Kg3 Ne7 43. Qd7 Nf5+ 44. Kh2 Qb3 0-1
2024.03.20 ch-Africa 2024
598584 Wanyama, Harold (2226) Cogan, N (2070) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O 11. Qb5 b6 12. Qxc4 Ba6 13. Nb5 Qd5 14. Qxd5 Nxd5 15. a4 Bb7 16. e4 Nf6 17. Rfe1 Nb4 18. e5 Nfd5 19. Rec1 Nd3 20. Rc2 a6 21. Nc3 N5b4 22. Rd2 Bxf3 23. Bxf3 Rfd8 24. Rad1 Rxd4 25. Be2 Rbd8 26. f4 c5 27. Bf3 Nxe5 0-1
2024.03.19 ch-Africa 2024
598571 Cogan, N (2070) Aikhoje, O (2215) 1/2-1/2
1. d4 Nf6 2. c4 c5 3. d5 a6 4. Nf3 d6 5. Qc2 e5 6. dxe6 Bxe6 7. e4 Nc6 8. Bg5 Be7 9. a3 h6 10. Bh4 Ng4 11. Bxe7 Qxe7 12. Be2 Nge5 13. Nbd2 g5 14. O-O g4 15. Ne1 Nd4 16. Qd1 Qg5 17. Kh1 Rg8 18. Nc2 Rc8 19. Nxd4 cxd4 20. Nb3 d3 21. Bxd3 Nxd3 22. Qxd3 Bxc4 23. Qc3 Be6 24. Qb4 Qb5 25. Qxb5+ axb5 26. Nd4 Bd7 27. Rfd1 Rg5 28. Rd2 Re5 29. Ne2 Rxe4 30. Nc3 Re6 31. Rad1 Rc5 32. Rxd6 Rxd6 33. Rxd6 Re5 34. Rd1 Bc6 35. Kg1 Ke7 36. Kf1 Ke6 37. Rd2 Rh5 38. Kg1 Rc5 39. Kf1 Rc4 40. Na2 h5 41. Nc3 b4 42. axb4 Rxb4 43. Ne2 Ke5 44. Nc1 Ra4 45. Nd3+ Kf5 46. Rc2 Rd4 47. Rc5+ Ke4 48. Ne1 Rb4 49. f3+ gxf3 50. gxf3+ Kd4 51. Rc2 Rb3 52. Kf2 h4 53. Rd2+ Kc4 54. Kg2 Rb5 55. Kh3 Re5 56. Ng2 Bxf3 57. Nxh4 Bd5 58. Kg3 b5 59. Nf3 Re3 60. Rf2 Kb3 61. h4 b4 62. h5 Ka2 63. h6 f6 64. Kf4 Re8 65. Kf5 Rh8 66. Kg6 Be4+ 67. Kh5 Rd8 68. Kg4 Bh7 69. Re2 Rg8+ 70. Kf4 Rg6 71. Rh2 b3 72. Nd4 Rg8 73. Rh3 Rb8 74. Rh2 Re8 75. Kf3 Rc8 76. Ke3 Rc7 77. Rf2 Rf7 78. Nb5 Bc2 79. Nd6 Re7+ 80. Kd4 Kxb2 81. Nc4+ Ka2 82. Rxf6 Ra7 83. Kc3 Bh7 84. Rf2+ Bc2 85. Rf6 Bh7 86. Rf2+ Bc2 1/2-1/2
2024.03.18 ch-Africa 2024
598560 Agnelo, A (2219) Cogan, N (2070) 0-1
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 d6 9. Qd2 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. Kb1 b5 15. a3 Nc4 16. Bxc4 Rxc4 17. Nde2 b4 18. Qd3 Qc8 19. Bxf6 Bxf6 20. Nd5 bxa3 21. Nxf6+ exf6 22. Qxa3 Rxc2 23. Rc1 Rxc1+ 24. Rxc1 Qb7 25. Rd1 Be6 26. Rxd6 Qb5 27. Rd2 Rc8 28. Qd3 Bc4 29. Qe3 Bb3 30. Qd4 Rc6 31. Qd7 Kg7 32. Nc3 Qf1+ 33. Nd1 Qc4 34. Nc3 Qf1+ 35. Nd1 Rb6 36. Qd4 Qe1 37. Qf2 Qh1 38. Qe2 Qxh4 39. Qf1 Qg5 40. Qe1 Qa5 41. Nc3 Ra6 0-1
2024.03.17 ch-Africa 2024
605657 Cogan, N (2070) Zhemba, Jemusse (2226) 0-1
1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Nbd2 d5 5. e3 Nbd7 6. Bd3 Ne4 7. Bh4 Ndf6 8. Ne5 a6 9. O-O Nxd2 10. Qxd2 e6 11. Qe2 Be7 12. f4 g6 13. Bg5 h6 14. Bxf6 Bxf6 15. a4 a5 16. Rf3 h5 17. Raf1 Qd6 18. c3 Bg7 19. Qc2 Rh6 20. Rh3 f5 21. Nf3 Bf6 22. Qf2 O-O-O 23. Rb1 c5 24. Bb5 Kb8 25. Qe2 Ka7 26. Ne1 g5 27. fxg5 Bxg5 28. Nd3 h4 29. b4 axb4 30. cxb4 c4 31. Ne5 Rh7 32. a5 Rg7 33. Rf3 Rdg8 34. Qa2 Kb8 35. axb6 Qxb6 36. Nd7+ Rxd7 37. Bxd7 Rg7 38. Qa4 Bd8 39. Qb5 Qd6 40. Be8 Bc7 41. Rh3 f4 42. Qc5 fxe3 43. Qxd6 Bxd6 44. Rxe3 Re7 45. Bh5 Bf4 46. Re2 e5 47. dxe5 d4 48. Rbe1 d3 49. Re4 d2 50. Rf1 Bxh2+ 51. Kxh2 Bxe4 52. Bd1 Rxe5 53. Rf8+ Kc7 54. Rf7+ Kb6 55. Rf8 c3 56. Rd8 Rg5 57. Kg1 Rxg2+ 58. Kf1 h3 59. b5 h2 60. Rh8 Rg1+ 0-1
2024.03.17 ch-Africa 2024
605673 Pereira, Sur (2017) Cogan, N (2070) 0-1
1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Ne7 6. O-O g6 7. Nxd4 cxd4 8. Nb5 Nc6 9. c3 Bg7 10. b3 a6 11. Nd6+ Kf8 12. Ba3 Kg8 13. f4 Qa5 14. b4 Qc7 15. e5 b5 16. Bb3 Bb7 17. Qg4 Rf8 18. c4 h5 19. Qe2 h4 20. cxb5 axb5 21. Qxb5 Ba8 22. Qc5 Qb8 23. h3 f6 24. b5 Na5 25. Rab1 fxe5 26. fxe5 Rxf1+ 27. Rxf1 Rh5 28. Re1 Rg5 29. Ne4 Rxe5 30. Qc2 Nxb3 31. axb3 Rxb5 32. Rf1 Rf5 33. Rxf5 gxf5 34. Nc5 Qg3 35. d3 Be5 36. Ne4 Qe1# 0-1
2024.03.15 ch-Africa 2024
605642 Abdulraheem, Abdulrahman Akintoye (2229) Cogan, N (2070) 1/2-1/2
1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Ba6 8. cxd5 exd5 9. Bxa6 Nxa6 10. Qa4 Qc8 11. Bd2 Qb7 12. a3 Bxc3 13. Bxc3 Ne4 14. Rac1 c5 15. dxc5 bxc5 16. Rfd1 Rfd8 17. Be5 Rac8 18. Nd2 Nd6 19. Qg4 Ne8 20. Rc2 Rc6 21. Qf3 Re6 22. Bg3 Rd7 23. h3 Nf6 24. Bh4 h6 25. Rdc1 Qb5 26. Bxf6 Rxf6 27. Qh5 Qb7 28. Nf3 Rd8 29. Rd2 Rfd6 30. Rcd1 Nc7 31. e4 Ne8 32. exd5 Nf6 33. Qe5 Rxd5 34. Rxd5 Rxd5 35. Rxd5 Nxd5 36. Qe8+ Kh7 37. Qe4+ Kg8 38. Qe8+ Kh7 39. Qe4+ Kg8 40. Nd2 Qd7 41. Nb3 Nf4 42. Qxf4 Qd1+ 43. Kh2 Qxb3 44. Qe5 Qc4 45. g3 a6 46. Kg2 g6 47. Kf3 Qd3+ 48. Qe3 Qf5+ 49. Kg2 h5 50. b3 Kh7 51. Qf3 Qe6 52. Qd3 Qc6+ 53. Kg1 Kg8 54. Qc4 Qd6 55. Kf1 Qd1+ 56. Kg2 Qd6 57. h4 Kg7 1/2-1/2
2024.03.09 13th African Mixed Rapid
611904 Mwali, C (2340) Cogan, N (2070) 1-0
1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. O-O e6 7. a3 Nge7 8. b4 O-O 9. bxc5 dxc5 10. Bb2 b6 11. Qc2 Bb7 12. Ne4 e5 13. d3 h6 14. e3 Qc7 15. Nc3 Rad8 16. Nd2 Na5 17. e4 Nac6 18. Nd5 Nxd5 19. cxd5 Nd4 20. Bxd4 exd4 21. a4 f5 22. f4 fxe4 23. dxe4 Ba6 24. Nc4 Bb7 25. Rab1 g5 26. fxg5 hxg5 27. Rxf8+ Rxf8 28. a5 bxa5 29. d6 Qc8 30. Qb3 Rf7 31. Nxa5 Ba6 32. e5 c4 33. Qb8 Bxe5 34. Qxc8+ Bxc8 35. Nxc4 Bf5 36. Rb8+ Kg7 37. Nxe5 Rf6 38. Rb7+ Kh6 39. g4 Bc8 40. d7 Bxd7 41. Rxd7 Re6 42. Be4 1-0
2024.03.09 13th African Mixed Rapid
611919 Cogan, N (2070) Amin, B (2670) 0-1
1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Nf3 d6 7. O-O Qe8 8. Re1 Qg6 9. Qc2 Ne4 10. Nd2 Nxc3 11. Qxc3 Bf6 12. Nf1 Nc6 13. e3 e5 14. dxe5 dxe5 15. Qc2 e4 16. Nd2 Nb4 17. Qb3 a5 18. a3 Nd3 19. Re2 a4 20. Qc2 Bd7 21. f4 Ra6 22. Rb1 Rb6 23. Bf1 h5 24. Rg2 Ne1 25. Qd1 Nxg2 26. Kxg2 Be7 27. b4 axb3 28. Nxb3 Be6 29. Qc2 c5 30. Bb2 h4 31. Be5 Ra6 0-1
2024.03.09 13th African Mixed Rapid
611945 Paiva, Donaldo (2172) Cogan, N (2070) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 d5 6. Nc3 O-O 7. e3 a6 8. a3 Bxc3 9. Bxc3 Re8 10. Rc1 dxc4 11. Bxc4 Nbd7 12. O-O b6 13. Be2 c5 14. dxc5 Nxc5 15. Bb4 Nfd7 16. a4 a5 17. Ba3 Bb7 18. Bb5 Qf6 19. Qe2 Rec8 20. Nd2 Qg6 21. f3 Bc6 22. Nc4 Bxb5 23. axb5 e5 24. Rfd1 Re8 25. Rd6 Re6 26. Rcd1 Rae8 27. Rxd7 Nxd7 28. Rxd7 Qb1+ 29. Rd1 Qa2 30. h3 Qb3 31. Nd6 Rd8 32. Rd3 Qa2 33. Qd1 h6 34. e4 Rd7 35. Nf5 Rxd3 36. Qxd3 Qa1+ 37. Kh2 Qc1 38. Qe3 Qc7 39. Qc3 Qd8 40. Ne3 Qg5 41. Nd5 Kh7 42. Qe3 Qd8 43. b3 Rg6 44. Bb2 Re6 45. Bc1 Rg6 46. Qf2 Qd7 47. Qe2 Qd6 48. Be3 Qa3 49. Qc2 h5 50. Bxb6 Qa1 51. Be3 Qf1 52. b6 Qa6 53. Qc4 Qa8 54. Qc7 Qa6 55. Qxf7 Qf1 56. Qxg6+ Kxg6 57. b7 Qb5 58. Bb6 Qe8 59. Bc7 1-0
2024.03.09 13th African Mixed Rapid
611963 Cogan, N (2070) Pedro Manuel Envo Engonga Avomo (1702) 1-0
1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nd7 5. e4 dxe4 6. Nxe4 Ngf6 7. Nc3 Bd6 8. Bd3 Qe7 9. O-O O-O 10. Re1 Qd8 11. Bg5 Qc7 12. Qc2 h6 13. Bh4 Re8 14. Re2 b6 15. Rae1 Bb7 16. Qd1 Nh5 17. Bb1 Nf8 18. Ne5 g5 19. Bg3 Nxg3 20. hxg3 Rad8 21. Qc2 Kg7 22. Re3 Bb4 23. Qe2 f6 24. Nf3 g4 25. Nh4 Rxd4 26. Nf5+ exf5 27. Rxe8 Qd7 28. a3 Bc5 29. Qf1 Rd2 30. R8e2 Rd4 31. Rd1 Ba6 32. b3 Bxa3 33. Qe1 Bb4 34. Rc1 Kg6 35. Re3 Rd2 36. Rd1 Bxc3 37. Rxd2 Qxd2 1-0
2024.03.09 13th African Mixed Rapid
611977 Pereira, Sur (2017) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. Nc3 d6 5. Nf3 g6 6. exd6 cxd6 7. d4 Bg7 8. Be3 O-O 9. Qb3 a5 10. c5 N6d7 11. cxd6 exd6 12. Bc4 Nb6 13. Bg5 Qc7 14. Be2 a4 15. Qd1 Bd7 16. Rc1 Nc4 17. b3 Nb2 18. Qd2 a3 19. O-O Qa5 20. Be7 Re8 21. Bxd6 Nc6 22. Rfe1 Bg4 23. Nb5 Qxd2 24. Nxd2 Rxe2 25. Rxe2 Bxe2 26. Bxa3 Bxb5 27. Bxb2 Rxa2 28. Bc3 Bxd4 29. Bxd4 Nxd4 30. Rd1 Be2 0-1
2024.03.09 13th African Mixed Rapid
611989 Cogan, N (2070) Rongwane, Gomolemo (2021) 1/2-1/2
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 O-O 8. Bd3 Nbd7 9. Nge2 Re8 10. O-O Nf8 11. f3 Nh5 12. Bxe7 Qxe7 13. e4 dxe4 14. fxe4 Qg5 15. Kh1 Bg4 16. e5 Bxe2 17. Bxe2 Nf4 18. Bc4 N8e6 19. Qf2 Qg6 20. Rae1 Rad8 21. Re4 b5 22. Bxe6 Nxe6 23. h3 h5 24. Qe3 Rd7 25. Ne2 Red8 26. Nf4 Qh6 27. Nxe6 Qxe3 28. Rxe3 fxe6 29. Rc1 Rc8 30. Rec3 Rdc7 31. Kg1 Kf7 32. Kf2 Ke7 33. Ke3 Kd7 34. Rf1 Re8 35. Rf7+ Kc8 36. Rf1 Kb7 37. Ke4 Rd8 38. b4 Rcd7 39. Rd3 Kb6 40. Rfd1 a5 41. a3 axb4 42. axb4 Ra8 43. Rc3 Ra4 44. Rdc1 Rc7 45. Rb1 Ra2 46. g3 Rh2 47. h4 Rf7 48. Rbc1 Rc7 49. Rb1 Kb7 50. Rf3 Rd2 51. Rbb3 Rd7 52. Rbd3 Re2+ 53. Rde3 Rc2 54. Rc3 1/2-1/2
2024.02.20 Titled Tue 20th Feb Early
631582 Garcia Ramos, Daniel (2442) Cogan, N (2070) 1/2-1/2
1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Bd6 6. Nbd2 O-O 7. Qe1 e5 8. e4 dxe4 9. Nh4 Bg6 10. Nxg6 hxg6 11. Nxe4 Nxe4 12. Qxe4 c6 13. Bd2 Nd7 14. Bc3 Nc5 15. Qe2 Qc7 16. Rae1 Rae8 17. h4 Na4 18. h5 Nxc3 19. bxc3 Re6 20. Bh3 Rf6 21. Kg2 Re8 22. hxg6 Rxg6 23. Bf5 Rg5 24. Qe4 g6 25. Bh3 Rh5 26. Rh1 Kg7 27. Qe2 Reh8 28. Bg4 Rxh1 29. Rxh1 Rxh1 30. Kxh1 Qe7 31. Kg2 Qg5 32. Bc8 Qe7 33. Bg4 f5 34. Bf3 Qe6 35. c4 Bc5 36. c3 Qd6 37. Kf1 Bb6 38. g4 Qc5 39. gxf5 gxf5 40. Bg2 Kf6 41. Qf3 Qa3 42. Bh3 Qc1+ 43. Kg2 Qg5+ 44. Kh1 Qc1+ 45. Kg2 Qg5+ 46. Kh2 Bc7 47. Kh1 Qc1+ 48. Kg2 Qg5+ 49. Kf1 Qc1+ 50. Kg2 Qg5+ 51. Kf1 Qc1+ 52. Kg2 1/2-1/2
2024.02.20 Titled Tue 20th Feb Early
631950 Cogan, N (2070) Goryachkina, A (2553) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 d5 6. cxd5 exd5 7. Bd3 a6 8. h3 Re8 9. O-O Bd6 10. a3 Nbd7 11. b4 c6 12. Qc2 Qe7 13. Na4 Ne4 14. Nc5 Ndf6 15. Bb2 Bf5 16. Rfe1 Bg6 17. Nh4 Rad8 18. Nxg6 hxg6 19. a4 Bb8 20. Nxe4 Nxe4 21. Bxe4 dxe4 22. Qe2 Rd5 23. b5 axb5 24. axb5 Rxb5 25. Ba3 Qc7 26. g3 Qd7 27. Kh2 Rh5 28. Qf1 g5 29. Qg2 g4 30. h4 Rxh4+ 31. Kg1 Rh3 32. Kf1 Qd5 33. Rac1 Qb5+ 34. Kg1 Re6 35. Rc5 Qa6 36. Bc1 Reh6 37. Rg5 Rh1+ 38. Qxh1 Rxh1+ 39. Kxh1 Qa2 40. Kg1 Qe6 41. Rc5 Bd6 42. Rc2 Qd5 43. Bd2 c5 44. Rec1 cxd4 45. Rc8+ Kh7 46. exd4 Qxd4 47. Be3 Qd3 48. Rd8 Qa3 49. Rd1 Be7 50. R8d7 Kg6 51. Kg2 Bf6 52. Rb1 Qa2 53. Rbxb7 Qe6 54. Rdc7 Qd5 55. Rd7 Qe6 56. Rdc7 Be5 57. Rd7 Qf5 58. Re7 Bd6 59. Rxf7 Qxf7 60. Rxf7 Kxf7 61. Kf1 Ke6 62. Ke2 g6 63. Kd2 Kd5 64. Kc3 Be5+ 65. Kd2 Kc4 66. Kc2 Bc3 67. Bf4 Bb4 68. Be3 Be1 69. Kd1 Bc3 70. Kc2 Bd4 71. Kd2 Kd5 72. Ke2 Bxe3 73. Kxe3 Ke5 74. Ke2 Kd4 75. Kd2 e3+ 76. fxe3+ Ke4 77. Ke2 g5 78. Kf2 Kd3 79. Kf1 Kxe3 80. Kg2 Ke2 81. Kg1 Kf3 82. Kh2 Kf2 83. Kh1 Kxg3 84. Kg1 Kf3 85. Kf1 g3 86. Kg1 g2 87. Kh2 Kf2 88. Kh3 g4+ 0-1
2024.02.20 Titled Tue 20th Feb Early
632131 Sanhueza, C (2243) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Be2 Bf5 7. O-O Nd7 8. Nd3 e6 9. c4 Nc7 10. Nc3 Be7 11. Re1 O-O 12. Bf3 Bf6 13. Nf4 Nb6 14. d5 cxd5 15. cxd5 Bxc3 16. bxc3 Ncxd5 17. Nxd5 Nxd5 18. Qb3 Qa5 19. Bb2 Nf4 20. Be4 Rad8 21. Ba3 Rfe8 22. Bb4 Qe5 23. Bxb7 Qf6 24. Bc6 Qg6 25. Qc4 Nd3 26. Bxe8 Nxe1 27. Bxf7+ Qxf7 28. Rxe1 Re8 29. Bc5 Qg6 30. Qf4 h6 31. Bd4 Kh7 32. Qe5 Rf8 33. Re3 Bg4 34. Rg3 Qb1+ 35. Qe1 Qxe1# 0-1
2024.02.20 Titled Tue 20th Feb Early
632275 Cogan, N (2070) Rastbod, Ali (2221) 0-1
1. d4 d6 2. c4 e5 3. e3 Nf6 4. Nc3 Bf5 5. Bd3 Bxd3 6. Qxd3 Nc6 7. Nge2 Be7 8. O-O O-O 9. a3 Re8 10. d5 Nb8 11. Ng3 a5 12. e4 Nbd7 13. Nf5 Bf8 14. Qg3 g6 15. Nh6+ Bxh6 16. Bxh6 Nh5 17. Qe3 a4 18. g4 Nf4 19. Bxf4 exf4 20. Qxf4 Nc5 21. Rad1 Qh4 22. f3 f5 23. gxf5 Qxf4 0-1
2024.02.20 Titled Tue 20th Feb Early
632685 Novoselov, R (2279) Cogan, N (2070) 1-0
1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. Nf3 Nbd7 5. e3 Bb4 6. Bd3 a6 7. O-O h6 8. Bh4 O-O 9. Ne2 c5 10. c3 Ba5 11. Ne5 Bc7 12. f4 Bd6 13. Rc1 b5 14. Bb1 Qc7 15. Ng3 Bb7 16. Nh5 Nxh5 17. Qxh5 f5 18. g4 Nf6 19. Bxf6 gxf6 20. Ng6 fxg4 21. Nxf8 Rxf8 22. Qxg4+ Qg7 23. Qxg7+ Kxg7 24. Kf2 f5 25. Rg1+ Kh7 26. Bd3 Bc6 27. Be2 Be7 28. Bh5 Bh4+ 29. Ke2 Bd7 30. dxc5 Bc6 31. Kd3 Bf6 32. Rg6 Bd7 33. Rcg1 Bc6 34. R6g3 Bd7 35. Bg6+ Kh8 36. Rh3 Bg7 37. Bh5 Bf6 38. Rg6 Bg7 39. Bf3 Rd8 40. Rhg3 Rg8 41. h4 Be8 42. Rxe6 Bf7 43. Re7 Rf8 44. Rxf7 Rxf7 45. Bxd5 Rd7 46. c4 bxc4+ 47. Kxc4 Bxb2 48. c6 Rc7 49. Rg8+ Kh7 50. Rd8 Bg7 51. Rd7 Rc8 52. c7 a5 53. Kc5 Kh8 54. Bb7 Bf8+ 55. Kc6 Re8 56. Rd8 Re6+ 57. Kd7 Rf6 58. c8=Q 1-0
2024.02.20 Titled Tue 20th Feb Early
632759 Cogan, N (2070) Nilsen, Tobias Lang (2207) 1-0
1. d4 d5 2. c4 e6 3. Nc3 c6 4. Bf4 dxc4 5. a4 Bb4 6. e3 b5 7. axb5 Nf6 8. bxc6 Nd5 9. c7 Nxc7 10. Qa4+ Nc6 1-0
2024.02.20 Titled Tue 20th Feb Early
633024 Srihari, L R (2490) Cogan, N (2070) 1-0
1. e4 Nf6 2. d3 d5 3. Nd2 e5 4. Ngf3 Nc6 5. Be2 Bc5 6. O-O O-O 7. c3 Bb6 8. b4 a6 9. a3 Bg4 10. Qc2 Re8 11. h3 Bh5 12. Re1 dxe4 13. dxe4 Ba7 14. Nc4 Qe7 15. Bg5 h6 16. Bh4 Bg6 17. Bf1 Qe6 18. a4 Nh5 19. b5 axb5 20. axb5 Ne7 21. Ncxe5 Bh7 22. Bc4 Qb6 23. Bxf7+ Kh8 24. Bxh5 Rf8 25. Nd7 1-0
2024.02.20 Titled Tue 20th Feb Early
633304 Cogan, N (2070) Bakhrillaev, Bakhrom (2325) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 Bxc3+ 6. bxc3 d6 7. Bd3 Re8 8. O-O e5 9. dxe5 dxe5 10. Nxe5 Qe7 11. Nf3 Bg4 12. Rb1 Nbd7 13. Qb3 Bxf3 14. gxf3 Nc5 15. Qc2 Qd7 16. Bf5 Qc6 17. e4 Rad8 18. Kh1 Nd3 19. Bg5 h6 20. Bh4 Re5 21. Rb5 Rxb5 22. cxb5 Qxb5 23. Bxf6 gxf6 24. Rg1+ Kh8 25. Qd2 Nf4 26. Qxd8+ Qe8 27. Qxe8# 1-0
2024.02.20 Titled Tue 20th Feb Early
633488 Cogan, N (2070) Filali, Razzouki Marouane (2234) 1-0
1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. e4 Ne7 5. Be3 O-O 6. Bd3 d5 7. cxd5 exd5 8. e5 Nd7 9. f4 c5 10. Nf3 cxd4 11. Nxd4 Nc5 12. Bc2 Ne6 13. O-O Nxd4 14. Bxd4 Nc6 15. Bf2 d4 16. Ne4 Qb6 17. Bb3 Be6 18. Bxe6 fxe6 19. Qg4 Ne7 20. Rad1 Nf5 21. Nd6 Nxd6 22. Bxd4 Qc6 23. exd6 Bxd4+ 24. Rxd4 Rf5 25. Rfd1 Rd8 26. Qe2 Kf7 27. Qd3 Qc5 28. Kh1 Kg7 29. h3 Rd7 30. Rc4 Qb5 31. Rc7 Qxd3 32. Rxd7+ 1-0
2024.02.20 Titled Tue 20th Feb Early
633755 Collins, Adam (2189) Cogan, N (2070) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. Qxd4 O-O 8. g3 d5 9. Bg2 Nc6 10. Qh4 dxc4 11. Bg5 Qa5+ 12. Bd2 Qb6 13. Bc3 Nd5 14. Qxc4 Na5 15. Bxa5 Qxa5+ 16. b4 Qb6 17. O-O Bd7 18. Ne5 Bb5 19. Qc2 Rac8 20. Qb2 Nc3 21. Rfe1 Rfd8 22. Nf3 h6 23. e3 Ba4 24. Rac1 Nd1 25. Qa1 Rxc1 26. Qxc1 Qc6 27. Qxc6 Bxc6 28. Nd4 Bxg2 29. Kxg2 Nc3 30. Rc1 Nd5 31. Nb3 b6 32. Kf3 Rd7 33. Nd4 Kf8 34. Rc8+ Ke7 35. h4 Kf6 36. Ra8 Nc3 37. Nc6 Rc7 38. Nxa7 Nd1 39. Nc8 Rc2 40. g4 Rxf2+ 41. Kg3 Re2 42. Nxb6 Rxe3+ 43. Kf4 g5+ 44. hxg5+ hxg5# 0-1
2024.02.13 Titled Tue 13th Feb Early
639130 Cogan, N (2070) Koshulyan, Egor A. (2136) 0-1
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Ng6 6. Nf3 Bb4+ 7. Bd2 Qe7 8. Nc3 Bxc3 9. Bxc3 Qxe4+ 10. Be2 Nxf4 11. Kf2 O-O 12. Re1 Nxe2 13. Rxe2 Qxc4 14. Rc1 Qg4 15. h3 Qg6 16. Ne5 Qf5+ 17. Kg1 d6 18. Rf2 Qg5 19. Nf3 Qg6 20. Nh4 Qg5 21. Nf3 Qh5 22. Qd4 f6 23. Re1 Nc6 24. Qc4+ d5 25. Qc5 Bd7 26. Rfe2 Rae8 27. Rxe8 Rxe8 28. Rxe8+ Bxe8 29. Nd4 Nxd4 30. Bxd4 b6 31. Qc2 c5 32. Bf2 d4 33. Qd2 Qg6 34. b4 Qb1+ 35. Kh2 Qxb4 36. Qe2 Bf7 37. Qe7 Qa4 38. Bg3 d3 39. Bd6 Qe8 40. Qxa7 d2 41. Qa4 Qxa4 0-1
2024.02.13 Titled Tue 13th Feb Early
639467 Cogan, N (2070) Lerch, Johannes (2264) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd3 h6 9. Bh4 Re8 10. Nge2 Nbd7 11. O-O Nf8 12. f3 Ne6 13. Kh1 c5 14. Rad1 cxd4 15. exd4 Nh5 16. Bxe7 Rxe7 17. Qd2 Nf6 18. Bb1 Bd7 19. Ng3 Nf8 20. Qd3 Qb6 21. Rf2 Rae8 22. Qd2 Qd6 23. Bf5 a6 24. Kg1 b5 25. Re2 Rxe2 26. Ncxe2 Bxf5 27. Nxf5 Qe6 28. Nfg3 h5 29. Nf4 Qb6 30. Ngxh5 Nxh5 31. Nxh5 Ne6 32. Ng3 Rc8 33. Nf5 Rc7 34. Ne3 Qd6 35. g3 g6 36. Qd3 Ng5 37. Kg2 Re7 38. h4 Ne6 39. Ng4 Kg7 40. Qe3 Nd8 41. Qh6+ Kg8 42. Rd2 Nc6 43. Qg5 Qb4 44. Nf6+ Kg7 45. Nxd5 1-0
2024.02.13 Titled Tue 13th Feb Early
639802 Gascon Del Nogal, Jose Rafael (2475) Cogan, N (2070) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. g4 Bc8 11. h4 f5 12. gxf5 Bxf5 13. h5 Nc6 14. Qd2 e5 15. Nge2 Qf6 16. Nb5 a6 17. d5 axb5 18. dxc6 Nxc4 19. bxc4 bxc6 20. cxb5 cxb5 21. Nc3 Be6 22. Bg2 Ra3 23. Nd5 Qf7 24. hxg6 hxg6 25. Rc7 Qf5 26. Ne7+ Kf7 27. Nxf5+ Kf6 1-0
2024.02.13 Titled Tue 13th Feb Early
640118 Cogan, N (2070) Yaniuk, Volodymyr (2223) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c5 6. Bd3 cxd4 7. exd4 d5 8. O-O dxc4 9. Bxc4 b6 10. Bg5 Bb7 11. Qe2 Nbd7 12. Rfd1 Bxc3 13. bxc3 Rc8 14. Ne5 Qc7 15. Bd3 h6 16. Nxd7 Nxd7 17. Bd2 Nf6 18. h3 Rfd8 19. Rac1 Bd5 20. c4 Bb7 21. Be3 Be4 22. Bxe4 Nxe4 23. Bxh6 Nxf2 24. Bxg7 Nxh3+ 25. gxh3 Qg3+ 26. Qg2 Qxg2+ 27. Kxg2 Kxg7 28. Rd3 Kf6 29. Rf1+ Ke7 30. Rc1 Rg8+ 31. Kf2 Rg5 32. Rg3 Rf5+ 33. Rf3 Rh5 34. Rc2 Rch8 35. Rcc3 Rh4 36. Rcd3 R8h5 37. Ke2 Re4+ 38. Kd2 Ra5 39. a3 Ra4 40. d5 exd5 41. cxd5 Red4 42. Rxd4 Rxd4+ 43. Rd3 Rh4 44. Kc3 Kd6 45. Kb3 f5 0-1
2024.02.13 Titled Tue 13th Feb Early
640342 Collins, Adam (2189) Cogan, N (2070) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 Qe7 5. a3 Bxd2+ 6. Qxd2 d6 7. e3 O-O 8. b4 e5 9. Qb2 Re8 10. Be2 Bg4 11. dxe5 dxe5 12. O-O Nbd7 13. Bd2 h6 14. Bc3 Ne4 15. Rad1 Nxc3 16. Qxc3 a5 17. h3 Bh5 18. Nxe5 Bxe2 19. Nxd7 Bxf1 20. Ne5 Qxe5 21. Qxe5 Rxe5 22. Kxf1 axb4 23. axb4 Re4 0-1
2024.02.13 Titled Tue 13th Feb Early
640681 Mammadzada, G (2449) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Be2 Bg7 8. O-O Bg4 9. h3 Bxf3 10. Bxf3 Nc6 11. d5 Ne5 12. Be2 O-O 13. Nd2 Rc8 14. b3 Nexc4 15. bxc4 Bxa1 16. Qb3 Bg7 17. Bb2 Nd7 18. Bxg7 Kxg7 19. Qc3+ Nf6 20. Rb1 Qc7 21. Qd4 b6 22. Rb3 Qc5 23. Qh4 a6 24. Nf3 b5 25. cxb5 axb5 26. Rxb5 Qc1+ 27. Kh2 Rc2 28. Bd3 Rc5 29. Rxc5 Qxc5 30. Bc4 Rc8 31. Bb3 Qc3 32. Qf4 Rc5 33. Qa4 Qb2 34. Qa7 Nxd5 0-1
2024.02.13 Titled Tue 13th Feb Early
641090 Cogan, N (2070) Biletskyy, Dmytro (1926) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 c5 8. d5 Bxc3+ 9. bxc3 O-O 10. Nf3 Nd7 11. Qd2 Nf6 12. Bd3 Bg4 13. Ne5 e6 14. Nxg4 Nxg4 15. c4 exd5 16. cxd5 Re8 17. O-O Qd6 18. g3 c4 19. Bc2 b5 20. h3 Nf6 21. Rfe1 Rad8 22. Rad1 Nd7 23. f4 f6 24. Kh2 Kg7 25. Qf2 a5 26. h4 b4 27. Re2 Qb6 28. Qg2 b3 29. axb3 cxb3 30. Bb1 a4 31. h5 a3 32. Bd3 Nc5 33. Bc4 Qb4 34. Rd4 Qc3 35. Red2 b2 36. h6+ Kh8 37. Qh1 Rb8 38. Ba2 Nxe4 39. R2d3 Qc2+ 40. Kh3 Nf2+ 41. Kh4 Nxh1 42. Rd2 Qf5 43. d6 Qh5# 0-1
2024.02.13 Titled Tue 13th Feb Early
641402 Balaji, G (2278) Cogan, N (2070) 1-0
1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. Nf3 d5 11. c5 Nc8 12. Be2 Nc6 13. O-O Bg4 14. h3 Bxf3 15. Bxf3 e6 16. a3 N8e7 17. b4 Nf5 18. Ne2 Nxe3 19. fxe3 a6 20. Qd3 Bh6 21. Rb1 Qe7 22. a4 a5 23. b5 Nb4 24. Qc3 Rac8 25. Nf4 Rfe8 26. Rxb4 axb4 27. Qxb4 Qc7 28. b6 Qd7 29. Be2 Qe7 30. Bb5 Red8 31. Qb3 Bxf4 32. exf4 Qf6 33. Qe3 Ra8 34. Qe5 Kg7 35. Re1 Ra5 36. Rb1 Qxe5 37. fxe5 Kf8 38. Kf2 Ke7 39. Ke3 Rf8 40. Rf1 Rc8 41. g4 Rca8 42. Rb1 Rc8 43. Kf4 h6 44. h4 Raa8 45. Ke3 Ra5 46. Rf1 Raa8 47. h5 gxh5 48. gxh5 Rh8 49. Rf6 Rh7 50. Kd3 Rhh8 51. Kc3 Ra5 52. Kb4 Raa8 53. a5 Rag8 54. c6 bxc6 55. Bxc6 Rg1 56. b7 Rb1+ 57. Kc5 Ra1 58. Kb6 Rb1+ 59. Bb5 Rb8 60. a6 1-0
2024.02.13 Titled Tue 13th Feb Early
641528 Ezat, M (2349) Cogan, N (2070) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 e5 8. Ne2 b6 9. O-O Ba6 10. e4 h6 11. f4 exd4 12. e5 Ne8 13. cxd4 Na5 14. f5 f6 15. Nf4 Bxc4 16. Bxc4+ Nxc4 17. Qb3 d5 18. Ne6 Qd7 19. Nxf8 Kxf8 20. Bf4 a5 21. Qg3 c6 22. Rae1 Qf7 23. Qg4 Nxa3 24. Rf3 Nc4 25. Rg3 a4 26. e6 Qe7 27. Bxh6 Ra7 28. Qh5 Ned6 29. Bf4 1-0
2024.02.13 Titled Tue 13th Feb Early
642076 Cogan, N (2070) Chirivi C, Y (2113) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 Re8 6. Bd3 d5 7. cxd5 Nxd5 8. Bd2 Nxc3 9. bxc3 Bf8 10. Qc2 h6 11. O-O c5 12. e4 cxd4 13. cxd4 Nc6 14. Bc3 Nb4 15. Qe2 Nxd3 16. Qxd3 b6 17. Qe3 Bb7 18. a4 Rc8 19. a5 b5 20. Rfc1 a6 21. Ne5 Qg5 22. Qxg5 hxg5 23. f3 Red8 24. Kf2 Bd6 25. Nd3 Rc4 26. g3 Kf8 27. Ke3 Ke7 28. Bd2 Rxd4 29. Kxd4 Bf4+ 30. Kc3 Rc8+ 31. Kb3 Bxd2 32. Rxc8 Bxc8 33. Nc5 Be3 34. Nd3 Bd4 35. Rc1 Kd8 36. Nb4 Be3 37. Rc3 Bg1 38. h3 Bf2 39. Nc6+ Ke8 40. g4 f6 41. Ne5 Kd8 42. Nd3 Bd4 43. Rc2 e5 44. Nb4 Be6+ 45. Ka3 Bc4 46. Nc6+ Kc7 47. Nxd4 exd4 48. Kb4 d3 49. Rd2 Kd6 50. Kc3 Ke5 51. h4 gxh4 52. Rh2 g5 53. Kd2 Kf4 54. Rf2 Kg3 55. Ke3 h3 56. e5 fxe5 57. Rf1 h2 58. Rh1 Kg2 59. Rd1 h1=Q 60. Rxh1 Kxh1 61. Kd2 Kg2 62. Ke3 Kg3 63. f4 exf4+ 64. Ke4 Kxg4 65. Kd4 d2 66. Kc5 d1=Q 67. Kb4 Qb3+ 68. Kc5 Qa3+ 69. Kb6 Qxa5+ 70. Kxa5 f3 71. Kb4 f2 72. Kc5 f1=Q 73. Kb4 Qd3 74. Ka5 Be6 75. Kb6 b4 76. Ka5 b3 77. Kb4 b2 78. Ka5 b1=Q 79. Ka4 Qdb3+ 80. Ka5 Qb5# 0-1
2024.02.13 Titled Tue 13th Feb Late
642580 Castellanos Gomez, Alejandro (2282) Cogan, N (2070) 1-0
1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d6 8. d4 Nbd7 9. Nc3 Re8 10. Qc2 Bf8 11. Rad1 a5 12. e4 e5 13. dxe5 dxe5 14. Nd5 Nxd5 15. exd5 g6 16. Rfe1 Bg7 17. h4 a4 18. b4 a3 19. Ba1 Qe7 20. Bh3 Rad8 21. Bxd7 Qxd7 22. Nxe5 Qh3 23. Qd3 b5 24. Qf3 Qf5 25. Qxf5 gxf5 26. cxb5 Rxd5 27. Nc6 Rxd1 28. Rxd1 Bxc6 29. bxc6 Bxa1 30. Rxa1 Re2 31. Rd1 Rxa2 32. Rd8+ Kg7 33. Ra8 Rb2 34. Rxa3 Rxb4 35. Ra7 Rc4 36. Rxc7 Kf6 37. Kg2 Kg7 38. Kf3 Kf6 39. Ke2 Rc3 40. Kd2 Rc5 41. Kd3 Ke6 42. Kd4 Rc2 43. f3 h5 44. Rc8 f6 45. Ke3 Rc4 46. Kd3 Rc1 47. Kd2 Rc4 48. Ke3 Rc1 49. Rh8 Rxc6 50. Rxh5 Rc3+ 51. Ke2 Rc2+ 52. Kd3 Rg2 53. Rh8 Rxg3 54. Ke3 Rh3 55. Kf4 Rh1 56. Rh7 Rh2 57. h5 Rh4+ 58. Kg3 Rh1 59. Kg2 Rh4 60. h6 Rh5 61. Kg3 Rg5+ 62. Kf4 Rh5 63. Rh8 Kf7 64. h7 Kg7 65. Ra8 Kxh7 66. Ra7+ Kg6 67. Ra8 Rh4+ 68. Ke3 Rb4 69. Rg8+ Kf7 70. Rc8 Rb3+ 71. Kf4 Rb4+ 72. Kxf5 Rb5+ 73. Kf4 Rb4+ 74. Kg3 Rb7 75. Kg4 Rb4+ 76. f4 Rb7 77. Rc6 Rd7 78. Kh5 Rd5+ 79. Kh6 Rd7 80. f5 Re7 81. Rc8 Rd7 82. Rh8 Rd5 83. Rh7+ Kf8 84. Kg6 Rc5 85. Rf7+ Kg8 86. Rxf6 Rc8 87. Rd6 Re8 88. f6 Ra8 89. Rd7 Rf8 90. Rg7+ Kh8 91. Rh7+ Kg8 92. f7+ Rxf7 93. Rxf7 1-0
2024.02.13 Titled Tue 13th Feb Late
642639 Cogan, N (2070) Murthy, P (1821) 1-0
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 b4 5. e4 d6 6. b3 Nbd7 7. Bb2 g6 8. Bd3 Bg7 9. Ngf3 O-O 10. Qc2 Qc7 11. O-O Ne5 12. Nxe5 dxe5 13. a3 Nd7 14. Rfc1 Nb6 15. axb4 cxb4 16. c5 Nd7 17. c6 Nf6 18. Nc4 a5 19. Bxe5 Qa7 20. Rxa5 Qxa5 21. Nxa5 Rxa5 22. Qb2 Ba6 23. Bxa6 Rxa6 24. f3 Bh6 25. Ra1 Rfa8 26. Rxa6 Rxa6 27. Bxf6 exf6 28. c7 Ra8 29. d6 Be3+ 30. Kf1 Bf4 31. Qd4 Be5 32. Qc5 Ra1+ 33. Ke2 Ra2+ 34. Kd3 Rxg2 35. c8=Q+ Kg7 36. d7 1-0
2024.02.13 Titled Tue 13th Feb Late
642931 Ferreira, VitorH (2128) Cogan, N (2070) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Nc3 d5 6. e3 O-O 7. Bd3 Nbd7 8. O-O dxc4 9. Bxc4 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. a3 Bg4 13. Qc2 Bd6 14. f4 Qh5 15. Rae1 Rfe8 16. h3 Bd7 17. Be2 Qh4 18. Bf3 Bc5 19. Nd1 Bb6 20. Nf2 Bb5 21. Be2 Bxe2 22. Rxe2 Rad8 23. Bc1 Qg3 24. Nh1 Qg6 25. Qxg6 hxg6 26. Nf2 Ne4 27. Nxe4 Rxe4 28. Kh2 Rde8 29. Rfe1 f6 30. Kg3 Kf7 31. Kf3 c6 32. Rd1 R4e6 33. Rd7+ R6e7 34. Rxe7+ Rxe7 35. e4 Rd7 36. Be3 1-0
2024.02.13 Titled Tue 13th Feb Late
643090 Cogan, N (2070) Serban, Cristian-Stefan (2309) 1-0
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. d5 Nd4 6. Be3 c5 7. h3 Qa5 8. Ne2 Nxe2 9. Bxe2 Nf6 10. O-O O-O 11. Qc2 a6 12. a4 Nd7 13. f4 Bd4 14. Qd3 Qb6 15. Rfb1 e5 16. dxe6 Ne5 17. fxe5 dxe5 18. e7 Re8 19. Nd5 Qd6 20. Rf1 f5 21. Bxd4 cxd4 22. exf5 Bxf5 23. Rxf5 gxf5 24. Qxf5 Kg7 25. Bd3 1-0
2024.02.13 Titled Tue 13th Feb Late
643416 Cogan, N (2070) Saim, M (2169) 0-1
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Qc2 Nbd7 9. Nge2 Re8 10. O-O Ne4 11. Bxe7 Qxe7 12. Rae1 Ndf6 13. f3 Nxc3 14. Nxc3 Qb4 15. a3 Qb6 16. Qf2 c5 17. Na4 Qa5 18. Nxc5 b6 19. b4 Qxa3 20. Ra1 Qxb4 21. Rfb1 bxc5 22. Rxb4 cxb4 23. Ra5 Be6 24. Qa2 Rec8 25. Rxa7 Rab8 26. Qb2 Rc3 27. Bb1 g6 28. Kf2 Nd7 29. Ra5 Nf6 30. Ra4 Rc4 31. Bd3 Bd7 32. Bxc4 Bxa4 33. Bb3 Bb5 34. Qa2 Bc6 35. g4 Nd7 36. Bxd5 Bxd5 37. Qxd5 b3 38. Qe4 b2 39. Qb1 Nf6 40. e4 Ne8 41. Ke3 Nd6 42. Kd3 Rb3+ 43. Kc2 Rb4 44. d5 Nb5 45. d6 Na3+ 46. Kc3 Nxb1+ 47. Kxb4 Nd2 48. d7 b1=Q+ 49. Kc3 Qb8 50. Kxd2 Qd8 51. Ke3 Qxd7 52. Kf2 Kg7 53. Kg3 Qd6+ 54. e5 Qxe5+ 55. Kh3 Qf4 56. Kg2 h5 57. gxh5 gxh5 58. h4 Qxh4 59. f4 Qxf4 0-1
2024.02.13 Titled Tue 13th Feb Late
643611 Buchenau, F (2175) Cogan, N (2070) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Be2 Bf5 7. O-O Nd7 8. Nf3 e6 9. a3 b5 10. Re1 Bd6 11. Bf1 Bg4 12. h3 Bh5 13. Nbd2 N7f6 14. c4 bxc4 15. Nxc4 Bc7 16. g4 Bg6 17. Nfe5 O-O 18. h4 h5 19. g5 Ng4 20. Nxg4 hxg4 21. Qxg4 Bf5 22. Qf3 f6 23. Bh3 fxg5 24. Bxg5 Qe8 25. Bxf5 Rxf5 26. Qxf5 exf5 27. Rxe8+ Rxe8 28. Kf1 Re4 29. Rd1 f4 30. f3 Re6 31. Re1 Kf7 32. Rxe6 Kxe6 33. Ke2 Kf5 34. Kd3 a6 35. b4 g6 36. Nd2 Bd6 37. Ne4 Bf8 38. Nc3 Ne3 39. Ne4 Nf1 40. Nc5 Nh2 41. Ke2 Bd6 42. Nxa6 Bf8 43. Nb8 Bg7 44. Nxc6 Ke6 45. b5 Kd6 46. a4 Kc7 47. Kd3 Kb6 48. Ke4 Nf1 49. d5 Nd2+ 50. Kd3 Nb3 51. Bxf4 Nc5+ 52. Kc4 Nxa4 53. d6 Nb2+ 54. Kb3 Nd3 55. d7 Nc5+ 56. Kc4 Nxd7 57. Be3+ Kc7 58. Kd5 Nf6+ 59. Ke6 Nh5 60. Kf7 Bc3 61. Kxg6 Ng3 62. Bd4 Bd2 63. Be5+ Kb6 64. Bxg3 Kxb5 65. Ne5 Kc5 66. f4 Kd5 67. h5 Be1 68. Bxe1 1-0
2024.02.13 Titled Tue 13th Feb Late
643662 Vila Dupla, A (2042) Cogan, N (2070) 1-0
1. e4 Nf6 2. e5 Nd5 3. Nc3 Nb6 4. d4 d6 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O 8. Bf4 h6 9. Qd2 Kh7 10. Rad1 Bg4 11. h3 Bxf3 12. Bxf3 d5 13. e6 fxe6 14. Rfe1 Rf6 15. Be5 Nc4 16. Qc1 Nxe5 17. dxe5 Rxf3 18. gxf3 Qf8 19. Qe3 Nd7 20. f4 a6 21. Ne2 c5 22. c3 Qf5 23. Kh2 Rf8 24. Rg1 b5 25. Rg3 Rc8 26. Rdg1 Nf8 27. Rg4 h5 28. Ng3 d4 29. cxd4 cxd4 30. Qxd4 Rc4 31. Nxf5 Rxd4 32. Nxd4 hxg4 33. hxg4 1-0
2024.02.13 Titled Tue 13th Feb Late
643851 Cogan, N (2070) Gonzalez Vega, A (2092) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Be7 8. Qc2 O-O 9. Nge2 Re8 10. f3 h6 11. Bh4 Nh5 12. Bf2 Bg5 13. Qd2 Qe7 14. f4 Bh4 15. g3 Bf6 16. g4 Bh4 17. gxh5 Bxf2+ 18. Kxf2 Qh4+ 19. Ng3 Nf6 20. Be2 Bg4 21. Rae1 Bxh5 22. Bxh5 Nxh5 23. Qe2 Nf6 24. h3 g5 25. fxg5 hxg5 26. Qf3 Re6 27. Kg2 Rae8 28. Nf5 Qh7 29. Rhg1 Kf8 30. Ng3 Qg6 31. Rgf1 R8e7 32. Qf5 Qh6 33. e4 g4 34. hxg4 Qd2+ 35. Re2 Qxd4 36. g5 Nxe4 37. Ncxe4 dxe4 38. g6 Qg7 39. gxf7 Rg6 40. Re3 1-0
2024.02.13 Titled Tue 13th Feb Late
644041 Weldegebriel Beraki, Kibrom (1808) Cogan, N (2070) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 c6 7. e3 O-O 8. Bd3 h6 9. Bh4 Be6 10. Nf3 Nbd7 11. O-O Re8 12. a3 Bd6 13. b4 a6 14. Rab1 Qe7 15. Bg3 Bg4 16. Bf5 Bxg3 17. hxg3 g6 18. Bxg4 Nxg4 19. a4 b5 20. a5 Ndf6 21. Rbc1 Qxb4 22. Ne2 Rac8 23. Ra1 Ne4 24. Nf4 Qd6 25. Nd3 Kg7 26. Nfe5 Nxe5 27. Nxe5 c5 28. Qd3 c4 29. Qe2 b4 30. Rfc1 h5 31. g4 f6 32. Nf3 hxg4 33. Ne1 Rh8 34. Qxg4 Qh2+ 35. Kf1 f5 36. Qd1 Qh1+ 37. Ke2 b3 38. Rab1 Qg1 39. g3 Qxf2# 0-1
2024.02.13 Titled Tue 13th Feb Late
644222 Cogan, N (2070) Kochiev, Ivan (2051) 1/2-1/2
1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 Qxc3 8. Bxc3 Bxc3+ 9. Nd2 Bxe5 10. e3 Nf6 11. Bd3 O-O 12. O-O d5 13. e4 Be6 14. f4 Bd4+ 15. Kh1 dxe4 16. Nxe4 Ng4 17. f5 Ne3 18. Qh5 g6 19. Qh4 Nxf5 20. Rxf5 Bxf5 21. Ng5 h5 22. Bxf5 Bf6 23. Bd3 Ne5 24. Qf4 Bg7 25. Ne4 Rad8 26. Nf6+ Bxf6 27. Qxf6 Nxd3 28. cxd3 Rxd3 29. h3 b6 30. Re1 Rfd8 31. Re7 Rf8 32. Qf4 Ra3 33. Qc4 c5 34. Rb7 Ra5 35. a4 a6 36. Kh2 b5 37. axb5 axb5 38. Qxc5 Kg7 39. Qe5+ Kg8 40. h4 Ra6 41. Qxb5 Re6 42. Rd7 Rfe8 43. Qf1 Rf8 44. Qf4 Kg7 45. Kh3 Kg8 46. Qh6 Ree8 47. g4 Re3+ 48. Kg2 Re2+ 49. Kf3 Re5 50. Kf4 Ra5 51. Rd5 Ra4+ 52. Kf3 Rxg4 53. Rg5 Rxh4 54. Kg3 Ra4 55. Rxg6+ fxg6 56. Qxg6+ Kh8 57. Qh6+ Kg8 58. Qg6+ Kh8 59. Qh6+ Kg8 60. Qe6+ Kg7 61. Qe5+ Kg6 62. Qe6+ Rf6 63. Qe8+ Kh6 64. Qxa4 Kg6 65. Qe4+ Rf5 66. Kh4 Kf6 67. Qc6+ Kg7 68. Qd7+ Kg6 69. Qe8+ Kf6 70. Qf8+ Kg6 71. Qg8+ Kf6 72. Qf8+ Kg6 73. Qg8+ Kf6 74. Qh8+ Kg6 75. Qd4 Rf7 76. Qd6+ Rf6 77. Qe5 Rf5 78. Qe8+ Kf6 79. Qg8 Ke5 80. Qg7+ Ke6 81. Qg6+ Ke5 82. Qg3+ Kf6 83. Qg8 Ke5 84. Kh3 Kf6 85. Kg3 Ke5 86. Qg7+ Ke6 87. Kh4 Kd5 88. Qe7 Kd4 89. Qe6 Re5 90. Qf6 Ke4 91. Kg3 Rf5 92. Qe6+ Re5 93. Qg6+ Rf5 94. Qg7 Kd5 95. Kh4 Ke6 96. Qg6+ Ke5 97. Kg3 Ke4 98. Qe8+ Kd5 99. Qe3 Kd6 100. Qe4 Re5 101. Qf4 Ke6 102. Kh4 Rf5 103. Qh6+ Ke5 104. Qh8+ Ke4 105. Qg7 Kd5 106. Qg6 Ke5 1/2-1/2
2024.02.06 Titled Tue 6th Feb Early
646480 Cogan, N (2070) Cremisi, Daniel (2163) 0-1
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 a6 10. e5 dxe5 11. fxe5 Nfd7 12. Bg5 Qa5 13. O-O Nxe5 14. Nxe5 Bxe5 15. d6 Be6 16. Bf3 Nc6 17. Nd5 Bd4+ 18. Kh1 f6 19. Bh6 Rfd8 20. Nc7 Bc4 21. Nxa8 Bxf1 22. Qxf1 Rxa8 23. Qc4+ Kh8 24. Qf7 Rg8 25. Bd5 Qd8 26. Re1 Ne5 27. Qxg8+ Qxg8 28. Bxg8 Kxg8 29. Rxe5 Bxe5 30. d7 Bc7 31. Be3 b6 32. Bf4 Bd8 33. Bd6 Kf7 34. Kg1 Ke6 35. Kf2 Kxd6 36. Kf3 Kxd7 0-1
2024.02.06 Titled Tue 6th Feb Early
646992 Tan, Ralph (2004) Cogan, N (2070) 0-1
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 g6 6. Be2 Bg7 7. exd6 cxd6 8. O-O O-O 9. Nc3 Bg4 10. b3 d5 11. c5 Nc8 12. Be3 Nc6 13. h3 Bxf3 14. Bxf3 e6 15. b4 N8e7 16. b5 Na5 17. Be2 Nf5 18. g4 Nxe3 19. fxe3 e5 20. Rc1 Bh6 21. Rf3 e4 22. Rg3 Qh4 23. Kg2 Rad8 24. g5 Bxg5 25. Rg4 Qh6 26. Qf1 Bxe3 27. Rd1 Qg7 28. b6 axb6 29. cxb6 Bxd4 30. Nb5 Bxb6 31. a4 Nc6 32. Rg3 Ne5 33. h4 d4 34. Bg4 f5 35. Bh3 f4 36. Rg5 f3+ 37. Kh1 Qf6 38. Re1 Qf4 39. Rg4 Nxg4 40. Bxg4 Qxg4 41. Qc4+ Kh8 42. Rg1 Qh3# 0-1
2024.02.06 Titled Tue 6th Feb Early
647309 Vovk, Or (2315) Cogan, N (2070) 1-0
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Qf3 Qxf3 6. Nxf3 Bf5 7. c3 Nd7 8. d4 e6 9. Bf4 Bd6 10. Bxd6 cxd6 11. O-O-O Rc8 12. Bd3 Bxd3 13. Rxd3 Nf6 14. Re1 Kd7 15. Nd2 b5 16. Rf3 Rhf8 17. Kb1 Rc7 18. h3 a6 19. g4 h6 20. Rg1 Nd5 21. g5 hxg5 22. Rxg5 g6 23. Rxg6 fxg6 24. Rxf8 Kc6 25. Ne4 Rh7 26. Rd8 Rxh3 27. Rxd6+ Kc7 28. Rxe6 Rh1+ 29. Kc2 Re1 30. Nc5 Rf1 31. Nxa6+ Kb7 32. Nc5+ Kc7 33. Rxg6 Rxf2+ 34. Kb3 Ne3 35. Rg3 Nc4 36. Nd3 Rd2 37. a4 Nd6 38. axb5 Nxb5 39. Ne5 Nd6 40. Rg7+ Kb8 41. c4 Rxd4 42. Nc6+ 1-0
2024.02.06 Titled Tue 6th Feb Early
647741 Cogan, N (2070) Ismayil, Malak (2200) 1-0
1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nf3 Nc6 5. Bg5 h6 6. Bh4 g5 7. Bg3 e6 8. e3 Bb4+ 9. Nbd2 Qe7 10. Bb5 Bd7 11. a3 Ba5 12. b4 Bxb4 13. axb4 Nc3 14. Bxc6 Nxd1 15. Bxd7+ Qxd7 16. Rxd1 f6 17. O-O c6 18. Ne4 Kf7 19. Nd6+ Kg7 20. e4 h5 21. h4 g4 22. Ne1 Rad8 23. e5 f5 24. Nd3 Qe7 25. Bf4 Rd7 26. Bg5 Qf8 27. Bf6+ Kg8 28. Nf4 Rhh7 29. Nxe6 Qb8 30. Ng5 Rh6 31. Nxf5 Rg6 32. e6 Rd5 33. Be5 Rxe5 34. dxe5 Qxe5 35. Ne7+ Kg7 36. Nxg6 Kxg6 37. Rfe1 1-0
2024.02.06 Titled Tue 6th Feb Early
648158 Balint, Peter (2294) Cogan, N (2070) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Nf3 Bg7 8. Be3 Bg4 9. Rc1 O-O 10. Be2 Nc6 11. b3 d5 12. c5 Nc8 13. O-O e6 14. Ne1 Bxe2 15. Nxe2 N8e7 16. Qd2 b6 17. b4 bxc5 18. dxc5 Rb8 19. Nc2 Nf5 20. Rfd1 Nxe3 21. fxe3 Qg5 22. a4 a6 23. Ned4 Ne5 24. b5 Nc4 25. Qd3 axb5 26. axb5 Nb2 27. Qb3 Nxd1 28. Rxd1 Rfc8 29. c6 Qg4 30. Qd3 e5 31. Nb3 d4 32. h3 Qh5 33. e4 Rxb5 34. g4 Rxb3 35. Qxb3 Qh4 36. Nb4 Bh6 37. Rf1 Be3+ 38. Kg2 h5 39. Qxf7+ Kh8 40. Qxg6 Bf4 41. Qxh5+ Qxh5 42. gxh5 Rg8+ 43. Kh1 Rc8 44. Ra1 d3 45. Nxd3 Rxc6 46. Rf1 Bg3 47. Kg2 Bh4 48. Rf5 Rc2+ 49. Kf3 Rc3 50. Ke2 Rc2+ 51. Kd1 Rh2 52. Nxe5 Rxh3 53. Ng6+ Kg7 54. e5 Rh2 55. e6 Bd8 56. Ne5 1-0
2024.02.06 Titled Tue 6th Feb Early
648337 Cogan, N (2070) Eilers, S (2275) 0-1
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. h4 Nf6 7. Bg5 d6 8. e3 Nbd7 9. h5 Rg8 10. hxg6 hxg6 11. f3 Qa5 12. Qc2 Ne5 13. Nh3 Bd7 14. Rb1 O-O-O 15. Nf4 Rh8 16. Rxh8 Rxh8 17. Kd2 Rh1 18. Be2 Rxb1 19. Qxb1 Nf7 20. Bxf6 exf6 21. Nxg6 Kc7 22. Bd3 Ne5 23. Nxe5 fxe5 24. Ke2 f4 25. exf4 exf4 26. Kf2 Qxc3 27. Qc2 Qd4+ 28. Kf1 a5 29. Qd2 Kb6 30. Qc2 a4 31. Be2 Ka5 32. Qb1 b6 33. Qh7 Bc8 34. Qa7+ Ba6 35. Qc7 Qe5 0-1
2024.02.06 Titled Tue 6th Feb Early
648852 Hrebenshchykova, Yelyzaveta (2282) Cogan, N (2070) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Bc4 Nd7 7. O-O Nxe5 8. dxe5 Bf5 9. Qe2 e6 10. c3 Bc5 11. a4 a5 12. Nd2 Nf4 13. Qf3 Nd3 14. Ne4 Nxe5 15. Qg3 Nxc4 16. Qxg7 Bxe4 17. Bg5 Be7 18. Qxh8+ Kd7 19. Rad1+ Bd5 20. Qd4 Bxg5 21. Qxc4 Be7 22. Qd3 1-0
2024.02.06 Titled Tue 6th Feb Early
649181 Cogan, N (2070) Kopczynski, M (2225) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. O-O h6 14. Bf4 g5 15. Be3 Nxe3 16. Qa4 Bd7 17. Qe4 Nxf1 18. Rxf1 g4 19. e6 fxe6 20. d6 gxf3 21. Rxf3 c4+ 22. Kh1 Bc6 23. Qg6 Nd7 24. Qf7+ Kh8 25. Rg3 Qd4 26. Rg4 Qf6 27. Qh5 Rf8 28. h3 Qe5 29. Qg6 Rf2 30. Qc2 Rxg2 31. Qg6 Rxg4+ 0-1
2024.02.06 Titled Tue 6th Feb Early
649472 Cogan, N (2070) Herpai, Jozsef Matyas (2087) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. Bd2 Bxc3 8. Bxc3 Ne4 9. Bxe4 Bxe4 10. Nd2 Bd3 11. d5 exd5 12. Qg4 Bg6 13. cxd5 d6 14. h4 h5 15. Qd4 f6 16. g4 Nd7 17. f4 Qe7 18. Rg1 Nc5 19. g5 Nd3+ 20. Kf1 Qd7 21. Rg3 Rae8 22. Kg1 c5 23. dxc6 Qxc6 24. Kh2 Nc5 25. gxf6 Rxf6 26. Rag1 d5 27. f5 Ne4 28. Nxe4 Rxe4 29. Qd2 Rxh4+ 30. Kg2 d4+ 31. Kf1 dxc3 32. Qd8+ Kh7 33. Rxg6 Qf3+ 34. Ke1 Qxe3+ 35. Kd1 Qf3+ 36. Kc2 Qxf5+ 37. Kxc3 Rxg6 38. Rxg6 Rh3+ 39. Rg3 Rxg3+ 40. Kb4 Qa5+ 41. Kc4 Qc5# 0-1
2024.02.06 Titled Tue 6th Feb Early
649631 Kiseljova, M (2031) Cogan, N (2070) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Qxd2 O-O 7. Nc3 d6 8. e4 e5 9. d5 a5 10. Bd3 Bg4 11. Qe3 Nbd7 12. h3 Bh5 13. g4 Bg6 14. Bc2 Nc5 15. Nd2 a4 16. f3 c6 17. h4 cxd5 18. cxd5 h5 19. g5 Nfd7 20. b4 axb3 21. Nxb3 Rfc8 22. Kd2 Nb6 23. Ke2 Nc4 24. Qc1 Qc7 25. Nxc5 Qxc5 26. Na4 Qa5 27. Qd1 b5 28. Rb1 Nxa3 29. Rb3 Rxc2+ 0-1
2024.02.06 Titled Tue 6th Feb Late
650022 Cogan, N (2070) Agasiyev, Ka (2441) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 7. Bd3 Be7 8. Qc2 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. Nge2 Nb6 12. Ng3 Nf4 13. O-O Nxd3 14. Qxd3 O-O 15. b3 Be6 16. f4 Bd7 17. f5 Rae8 18. Rae1 Qh4 19. Re2 Bc8 20. Rf4 Qg5 21. Nd1 Nd7 22. Nf2 Qd8 23. Ng4 Nf6 24. Ne5 Qd6 25. Qc3 Nd7 26. Ng4 c5 27. Ref2 f6 28. Nh5 Rf7 29. R2f3 b6 30. Rg3 Kf8 31. h3 Ree7 32. Kh2 Ke8 33. Rff3 Kd8 34. Nf4 Re4 35. Ne6+ Ke7 36. Nf2 Rxe6 37. fxe6 Qxe6 38. Nd3 g5 39. dxc5 bxc5 40. Nxc5 Qc6 41. Qd4 Qxc5 42. Rf2 Qxd4 43. exd4 Kd6 44. b4 Ba6 45. Re3 Re7 46. Rxe7 Kxe7 47. a4 Bc4 48. g4 Nb6 49. a5 Nc8 50. h4 Nd6 51. hxg5 hxg5 52. Rb2 a6 53. Rb1 Ne4 54. Kg2 Ke6 55. Rh1 Be2 56. Rh8 Bxg4 57. b5 axb5 58. a6 Be2 59. a7 g4 60. a8=Q Bf3+ 61. Kg1 Kf5 62. Qd8 Kf4 63. Qb8+ Ke3 64. Qxb5 f5 65. Qb3+ Kf4 66. Qb1 Kg3 67. Qe1+ Kf4 68. Qc1+ Kg3 69. Rf8 Kh4 70. Rxf5 g3 71. Qh6+ Kg4 72. Rf4# 1-0
2024.02.06 Titled Tue 6th Feb Late
650097 Cogan, N (2070) Domingo Nunez, Ruben (2446) 0-1
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. f4 e5 6. fxe5 dxe5 7. d5 Nh6 8. Nf3 O-O 9. Bd3 f5 10. Bg5 Qe8 11. O-O a6 12. b4 Nf7 13. Bh4 f4 14. c5 h6 15. h3 g5 16. Bf2 h5 17. Nh2 Nf6 18. Be2 Nh6 19. d6 c6 20. Bc4+ Kh8 21. Na4 Be6 22. Bxe6 Qxe6 23. Nb6 Rad8 24. Qb3 Qxb3 25. axb3 Nxe4 26. Be1 Ng3 27. Bxg3 fxg3 28. Rxf8+ Rxf8 29. Nf3 e4 30. Nxg5 Bd4+ 31. Kh1 Bxa1 32. Nf3 exf3 33. gxf3 0-1
2024.02.06 Titled Tue 6th Feb Late
650347 Vovk, Or (2315) Cogan, N (2070) 1-0
1. h4 d5 2. h5 h6 3. e4 dxe4 4. Nc3 Nf6 5. Qe2 Bf5 6. Qb5+ Bd7 7. Qxb7 Nc6 8. Bb5 Rb8 9. Qxc6 Bxc6 10. Bxc6+ Nd7 11. Nxe4 Rb6 12. Ba4 e5 13. Nf3 Rb4 14. Nc3 Bd6 15. d3 O-O 16. a3 Rg4 17. g3 Nc5 18. Bc6 Qf6 19. Nd5 Qd8 20. Ne3 Ra4 21. Bxa4 Nxa4 22. Nc4 Nc5 23. Be3 Qf6 24. Nfd2 e4 25. Bxc5 Bxc5 26. Nxe4 Qe7 27. O-O-O f5 28. Nxc5 Qxc5 29. Rd2 Re8 30. Kb1 Qd4 31. Rh4 1-0
2024.02.06 Titled Tue 6th Feb Late
650585 Urbina Perez, J (2266) Cogan, N (2070) 1-0
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Bd2 Qe7 6. Bg2 O-O 7. O-O c6 8. Bg5 h6 9. Bxf6 Qxf6 10. a3 Bd6 11. c5 Bc7 12. b4 e5 13. dxe5 Bxe5 14. Nxe5 Qxe5 15. Nd2 Bf5 16. e3 a5 17. Nf3 Qc3 18. Qc1 axb4 19. axb4 Qxa1 20. Qxa1 Rxa1 21. Rxa1 Na6 22. Nd4 Bd3 23. Ra3 Bc4 24. Bf1 Nxb4 25. Bxc4 dxc4 26. Ra4 Nd3 27. Rxc4 Ra8 28. Rc3 Ne5 29. Rb3 Ra7 30. Kg2 Nd7 31. Rc3 Ra5 32. Nb3 Rb5 33. h3 f6 34. g4 Kf7 35. f4 Ke6 36. Kf3 g6 37. Nd4+ Ke7 38. Nxb5 cxb5 39. Rb3 Nxc5 40. Rxb5 Kd6 41. Rb6+ Kd5 42. Rxf6 b5 43. Rxg6 Nd7 44. Rxh6 b4 45. Rh5+ Kc4 46. Rh7 Nc5 47. Rh8 Na6 48. Ra8 Kb5 49. Ra7 Nc5 50. Ra8 Na6 51. Rd8 1-0
2024.02.06 Titled Tue 6th Feb Late
650848 Cogan, N (2070) Burke, Paul 1-0
1. d4 Nf6 2. c4 c5 3. d5 Ne4 4. e3 Qa5+ 5. Nd2 d6 6. Bd3 Nf6 7. Ne2 g6 8. O-O Bg7 9. e4 O-O 10. h3 e5 11. Nc3 h6 12. Re1 Na6 13. Nf1 Qd8 14. Ng3 b6 15. a3 Bd7 16. Be3 Nc7 17. Qd2 Kh7 18. f4 exf4 19. Bxf4 Nce8 20. Rf1 a6 21. Kh1 Rb8 22. e5 dxe5 23. Bxe5 Rc8 24. a4 Ng8 25. Rae1 Bxe5 26. Rxe5 Qh4 27. Qf4 Qxf4 28. Rxf4 Nd6 29. Nh5 f5 30. Ng3 Nf6 31. Rf1 b5 32. axb5 axb5 33. b3 b4 34. Nce2 Rfe8 35. Rxe8 Rxe8 36. Nf4 Re3 37. Rf3 Rxf3 38. gxf3 Kg7 39. Bc2 Kf7 40. Nd3 g5 41. Nxc5 1-0
2024.02.06 Titled Tue 6th Feb Late
650996 Cogan, N (2070) Goncalves, Samuel Jesus P (2219) 0-1
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 e5 6. e4 d6 7. Bd3 Kd7 8. f4 f6 9. Nf3 Kc7 10. fxe5 fxe5 11. Bg5 Nf6 12. O-O Nbd7 13. a4 h6 14. Bxf6 Qxf6 15. Nd4 Qe7 16. Ne6+ Kb8 17. Ra2 Nb6 18. a5 Bxe6 19. axb6 Bd7 20. Raf2 Be8 21. Rf6 axb6 22. Re6 Qg5 23. Rxd6 Qe3+ 24. Kh1 Ra2 25. Rxb6 Rh7 26. Rf8 Ka7 27. Rb1 Ba4 28. Qc1 Qxd3 29. Ra1 Qxc4 30. Rxa2 Qxa2 31. d6 Rd7 32. Qd2 Qb1+ 33. Rf1 Qxf1# 0-1
2024.02.06 Titled Tue 6th Feb Late
651352 Ivanov, Aleksandr (2068) Cogan, N (2070) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Ne2 b6 7. O-O Ba6 8. cxd5 Bxd3 9. Qxd3 exd5 10. a3 Bd6 11. b4 a5 12. b5 Re8 13. a4 Nbd7 14. Ba3 Nf8 15. Bxd6 Qxd6 16. Rfc1 Ng4 17. Ng3 Rad8 18. Qf5 Nf6 19. Nce2 g6 20. Qc2 Rd7 21. Qc6 Qxc6 22. Rxc6 Re6 23. Rac1 Rxc6 24. Rxc6 Ne6 25. h3 Kg7 26. Kf1 Ne8 27. Ke1 Nd6 28. Nc1 Nc4 29. e4 Nxd4 30. exd5 Nxc6 31. dxc6 Re7+ 32. Nge2 Nb2 0-1
2024.02.06 Titled Tue 6th Feb Late
651615 Souza, Gustavo Horokoski De (1898) Cogan, N (2070) 1/2-1/2
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nc3 Nxc3 5. bxc3 e5 6. g3 exd4 7. Qxd4 Nc6 8. Qxd8+ Nxd8 9. Bg2 Be6 10. Bg5 c6 11. Nf3 Bd5 12. O-O Ne6 13. Bd2 Bc5 14. e3 Rd8 15. Nd4 Bxg2 16. Kxg2 Bb6 17. Rad1 Nc5 18. Bc1 O-O 19. h4 Ne4 20. Bb2 Nd6 21. Ba3 c5 22. Nb3 Ne4 23. Kf3 Nxc3 24. Rxd8 Rxd8 25. Bxc5 Bxc5 26. Nxc5 b6 27. Ne4 Nxe4 28. Kxe4 Rd2 29. a4 Ra2 30. Rc1 Rxa4+ 31. Kf5 Ra5+ 32. Kf4 g6 33. Rc7 Kg7 34. e4 h5 35. f3 b5 36. Rb7 a6 37. g4 hxg4 38. fxg4 Ra1 39. Kg5 Re1 40. Kf4 Rf1+ 41. Ke5 Rh1 42. Ra7 Rxh4 43. Rxa6 Rxg4 44. Rb6 Rg1 45. Kf4 Rb1 46. Ke5 b4 47. Kd4 g5 48. e5 b3 49. Kc3 g4 50. e6 fxe6 51. Rxe6 g3 52. Re3 Kf6 53. Rxg3 Rf1 54. Kxb3 Rf5 55. Rc3 Ke5 56. Rc5+ Kf6 57. Rc6+ Kg5 58. Rc4 Rf3+ 59. Rc3 Rf5 60. Kb4 Rf4+ 61. Rc4 Kg4 62. Rxf4+ Kxf4 1/2-1/2
2024.02.06 Titled Tue 6th Feb Late
651730 Cogan, N (2070) Guzman Lozano, C (1837) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. cxd5 Nxd5 8. Bd2 Nc6 9. a3 Ba5 10. O-O cxd4 11. exd4 Bc7 12. Bg5 f6 13. Bh4 Nxc3 14. bxc3 Ne7 15. Qc2 Nf5 16. Bg3 g6 17. Bxc7 Qxc7 18. Qb3 Bd7 19. Bc4 Rae8 20. Rfe1 Qd6 21. Nd2 b5 22. Bd3 Qf4 23. Ne4 Kg7 24. Bxb5 Rb8 25. a4 a6 26. Nc5 Bc8 27. Nxe6+ Bxe6 28. Qxe6 axb5 29. axb5 Rf7 30. Rab1 Re7 31. Qc4 Qd2 32. Rxe7+ Nxe7 33. Qc7 Re8 34. b6 Kh6 35. Qd7 Qc2 36. Re1 Qd2 37. Rf1 Rb8 38. Qxe7 Rxb6 39. Qe3+ Qxe3 40. fxe3 f5 41. Rc1 Rb3 42. Kf2 g5 43. c4 Kg6 44. Rc2 Kf6 45. g3 h5 46. c5 Ke6 47. h4 gxh4 48. gxh4 Rb7 49. c6 Rc7 50. Kf3 Kd5 51. Kf4 1-0
2024.02.06 Titled Tue 6th Feb Late
651902 Krzywda, A (2211) Cogan, N (2070) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6 6. Nc3 Bg7 7. Be3 dxe5 8. fxe5 c5 9. dxc5 N6d7 10. Nf3 Nc6 11. e6 fxe6 12. Be2 O-O 13. O-O Nf6 14. Qc2 e5 15. Rad1 Qa5 16. Nd5 Bf5 17. Qb3 Ng4 18. Qb5 Nxe3 19. Nxe3 Qxb5 20. cxb5 Nd4 21. Bc4+ Kh8 22. Ng5 h6 23. Nf7+ Kh7 24. Nxf5 Nxf5 25. Rd7 Ne3 26. Be6 Nxf1 27. Kxf1 Rac8 28. b4 Rb8 29. Rxe7 Rfe8 30. Rxe8 Rxe8 31. Bd5 Rf8 32. Ke2 e4 33. Nd6 Bc3 34. a3 b6 35. Nxe4 Bb2 36. c6 Bxa3 37. Be6 Re8 38. c7 Rxe6 39. c8=Q Rxe4+ 40. Kd3 Re7 41. Qc3 Rd7+ 42. Ke2 Re7+ 43. Kf1 Rf7+ 44. Kg1 Bxb4 45. Qxb4 Rd7 46. h3 h5 47. Kh2 Rf7 48. Qb3 Kg7 49. Qc3+ Kh7 50. Kg3 Kh6 51. Qe3+ Kg7 52. Qe5+ Kh7 53. Qe6 Kg7 54. Kh4 Rf6 55. Qe7+ Rf7 56. Qe5+ Kh7 57. Kg5 Rc7 58. Qxc7+ 1-0
2023.07.12 9th ch-Francophonie 2023
890695 Slami, Zoheir (1920) Cogan, N (2059) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Qc2 h6 9. Bh4 Re8 10. Nf3 Be6 11. O-O Nbd7 12. a3 a5 13. Kh1 Qb8 14. Ne2 Bg4 15. h3 Be6 16. Rae1 Ne4 1-0
2023.07.11 9th ch-Francophonie 2023
890678 Cogan, N (2059) Amako Marc Arnold (1720) 1-0
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Qc2 h6 9. Bh4 Re8 10. Nf3 Be6 11. O-O Nbd7 12. a3 a5 13. Kh1 Qb8 14. Ne2 Bg4 15. h3 Be6 16. Rae1 Ne4 17. Bxe4 dxe4 18. Nd2 Bf5 19. f4 Nb6 20. g4 Bh7 21. Nc3 h5 22. Ndxe4 hxg4 23. hxg4 Nd5 24. Qg2 Nxc3 25. Nxc3 Bd3 26. Rf3 Bc4 27. Rh3 b5 28. Qh2 Kf8 29. Bg3 f6 30. e4 b4 31. axb4 axb4 32. Nd1 Ra1 33. e5 Bd5+ 34. Kg1 Qb6 35. Bf2 b3 36. Rh8+ Bg8 37. Qh7 Ke7 38. Qxg7+ Kd8 39. Rxg8 Bb4 40. Rxe8+ Kxe8 41. exf6+ 1-0
2023.07.09 9th ch-Francophonie 2023
890655 Filali, Razzouki Marouane (2214) Cogan, N (2059) 1-0
1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Nge7 7. d3 O-O 8. h4 d5 9. cxd5 exd5 10. exd5 Nd4 11. O-O Re8 12. Nf4 Rb8 13. Ne4 b6 14. d6 Nef5 15. Nd5 Rxe4 16. dxe4 Nxd6 17. Bg5 f6 18. Be3 Ne6 19. Qb3 Qf8 20. f4 Ba6 21. Rf2 Kh8 22. f5 c4 23. Qa3 1-0
2023.07.08 9th ch-Francophonie 2023
899329 Cogan, N (2059) Onuoha Wilson (1777) 1-0
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Qc2 Be7 6. e3 Nbd7 7. b3 O-O 8. Be2 c5 9. cxd5 exd5 10. O-O b6 11. Rd1 Bb7 12. Bb2 Rc8 13. Qf5 g6 14. Qf4 Nh5 15. Qg4 Ndf6 16. Qh3 cxd4 17. Nxd4 Re8 18. Bf3 Rc5 19. g3 Qc8 20. Qxc8 Rexc8 21. Na4 R5c7 22. Nb5 Rc2 23. Rab1 Ba6 24. Nac3 Bxb5 25. Nxb5 a6 26. Nd4 R2c7 27. Ne2 Rc2 28. g4 Ng7 29. Nf4 Ne4 30. Nxd5 Bh4 31. Bxe4 Rxf2 32. Ne7+ 1-0
2023.07.06 9th ch-Francophonie 2023
899308 Tanoe Yao Aubin Maximilien (1563) Cogan, N (2059) 0-1
1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qc2 g6 7. Nbd2 Bg7 8. Be2 O-O 9. O-O Nh5 10. Bg5 0-1
2023.07.04 9th ch-Francophonie 2023
899261 Travadon, Loic (2463) Cogan, N (2059) 1-0
1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. Bd2 O-O 6. e3 Nbd7 7. a3 Be7 8. Qc2 dxc4 9. Bxc4 a6 10. e4 c5 11. e5 cxd4 12. Ne2 Nd5 13. Nexd4 Qc7 14. Rc1 N7b6 15. Qd3 Nxc4 16. Rxc4 Qb6 17. Ng5 Bxg5 18. Bxg5 Bd7 19. O-O Rac8 20. b3 Qa5 21. Qg3 Kh8 22. Qh3 Rxc4 23. bxc4 Qc3 24. cxd5 Qxd4 25. Be7 Re8 26. d6 Bc6 27. Qh5 Qe4 28. Qg5 h6 29. Qg3 Rc8 30. Rc1 Bd7 31. Rxc8+ Bxc8 32. h3 Bd7 33. Bf8 Qg6 34. Qc3 Bc6 35. f3 Qb1+ 36. Kh2 Qb5 37. Be7 Qd5 38. Qe3 Kg8 39. Bh4 Qb5 40. Bg3 Qb2 41. Bf2 Qb5 42. Be1 Qd5 43. Bg3 Qb5 44. Qc3 Qa4 45. Bf2 Qf4+ 46. Kg1 Qa4 47. Ba7 Qd1+ 48. Kf2 Qa4 49. Bd4 Qb5 50. h4 Qb1 51. Kg3 Qg6+ 52. Kh2 Qb1 53. Qe3 Qc2 54. Bb6 Qc4 55. Bd8 Qa4 56. Be7 Qc4 57. Kh3 Qc2 58. Qf4 Bb5 59. Qg4 Kh7 60. h5 Qb1 61. Kh2 Qb2 62. Qg3 Qc2 63. Bf8 g6 64. Qf4 g5 1-0
2023.07.04 9th ch-Francophonie 2023
899284 Cogan, N (2059) Mambe, Lobognon Anderson Olivier (1855) 1-0
1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 c6 5. f4 Qb6 6. Nf3 Bg4 7. Na4 Qc7 8. Be3 Nf6 9. Nc3 Qb6 10. Rb1 O-O 11. h3 Bc8 12. Bd3 Nh5 13. g4 Nf6 14. Qd2 Nbd7 15. O-O Rd8 16. b4 a6 17. Rf2 Nf8 18. Rg2 Rb8 19. a3 Ra8 20. f5 Qc7 21. Bf4 Qb6 22. c5 Qc7 23. Bc4 Qd7 24. Qa2 d5 25. Ne5 Qe8 26. exd5 cxd5 27. Bd3 e6 28. fxg6 Nxg6 29. Qf2 Nxf4 30. Qxf4 Nd7 31. Rf1 Nxe5 32. dxe5 Rd7 33. g5 Kh8 34. Rg4 Qf8 35. Rh4 a5 36. Rxh7+ Kg8 37. Qh4 Qd8 38. Rxg7+ Kxg7 39. Qh6+ Kg8 40. Bh7+ 1-0
2023.07.03 9th ch-Francophonie 2023
899249 Cogan, N (2059) Kouya, Tyeoulou Bernadin Franklin (1770) 1-0
1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Nge2 Qb6 9. Qc2 h6 10. Bh4 Re8 11. O-O Be6 12. f3 Nbd7 13. Kh1 Rac8 14. e4 dxe4 15. fxe4 Ng4 16. Bxe7 Rxe7 17. Qd2 Rd8 18. h3 Ngf6 19. Rad1 Nf8 20. Rxf6 gxf6 21. Qxh6 Ng6 22. Ng3 Qxd4 23. Nh5 f5 24. Bf1 f6 25. Qxg6+ Kf8 26. Rxd4 Rxd4 27. Qxf6+ 1-0
2023.07.02 9th ch-Francophonie 2023
899229 L'herbon De Lussats, Jean (1247) Cogan, N (2059) 0-1
1. c4 Nf6 2. Nf3 e5 0-1
2023.03.31 African Zonal 4.2 Open
997638 Cogan, N (2013) Nean, Franck Anderson (1851) 1-0
1. d4 e5 2. dxe5 d6 3. Bf4 Nc6 4. Nf3 Bg4 5. c3 Bxf3 6. exf3 dxe5 7. Qd4 Qd6 8. Qxd6 Rd8 9. Qxd8+ 1-0
2023.03.30 African Zonal 4.2 Open
997609 Ortega, Mariano (2472) Cogan, N (2013) 1-0
1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nd2 Be7 5. c3 O-O 6. Bd3 d5 7. Ngf3 b6 8. Ne5 Bb7 9. Qf3 Nbd7 10. Qh3 Re8 11. Ndf3 Nxe5 12. Nxe5 g6 13. Bb5 Nh5 14. Bh6 Qd6 15. Bxe8 Rxe8 16. g4 Ng7 17. Qg3 f6 18. Nf3 Qd7 19. O-O Bd6 20. Bf4 Bf8 21. h4 Bc8 22. Rfe1 Bb7 23. Rad1 c4 24. a3 Bc6 25. Qg2 Qb7 26. g5 f5 27. Qh2 Be7 28. Bd6 Bd8 29. Ne5 Ba4 30. Rd2 Nh5 31. f3 Bc6 32. Rde2 Be7 33. Bxe7 Rxe7 34. e4 f4 35. Nxc6 Qxc6 36. exd5 Qxd5 37. Qh3 Kf7 38. Re5 Qd6 39. Kg2 1-0
2023.03.30 African Zonal 4.2 Open
997625 Cogan, N (2013) Manan, Yoboue Hermann (2015) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 c6 6. Nf3 Bf5 7. O-O O-O 8. Nh4 Be6 9. d5 Bd7 10. e4 Ng4 11. h3 Ne5 12. Qe2 Qb6 13. b3 Rc8 14. Bb2 cxd5 15. Nxd5 Qd8 16. f4 Nec6 17. Bxg7 Kxg7 18. Qb2+ f6 19. Rae1 Nb4 20. Nxb4 Qb6+ 21. Kh2 Qxb4 22. e5 dxe5 23. fxe5 Rf8 24. a3 Qc5 25. Bxb7 Bc6 26. b4 Qxc4 27. Bxa8 Bxa8 28. exf6+ exf6 29. Re7+ Kg8 1-0
2023.03.29 African Zonal 4.2 Open
997597 Thomas, Saah (1916) Cogan, N (2013) 0-1
1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 Bg7 5. Nf3 e6 6. O-O Nge7 7. Qe1 O-O 8. d3 Nd4 9. Nxd4 cxd4 10. Ne2 d5 11. Bb3 dxe4 12. dxe4 b6 13. Ng3 a5 14. a4 Qc7 15. Bd2 h5 16. Rd1 h4 17. Nh1 Bb7 18. Rf3 Qc6 19. Nf2 b5 20. axb5 Qxb5 21. Ng4 Qh5 22. h3 Rfc8 23. Ra1 Rc5 24. Nf2 Kh8 25. Nd3 Rcc8 26. Rf2 Kg8 27. Ra3 Bc6 28. e5 a4 29. Ba2 Nf5 30. b4 Bb5 31. Nc5 Ng3 32. Raf3 Rd8 33. Nb7 Rd7 34. Nd6 Bc6 35. Rd3 Rxd6 36. exd6 Ne4 37. Rf1 Nxd6 38. Qd1 Qf5 39. Be1 Be4 40. Bxh4 Bxd3 41. cxd3 Qb5 42. Qd2 Rc8 43. Be7 Nf5 44. Bc4 Qb7 45. Bc5 Bf8 46. Bxf8 Kxf8 47. b5 Ne3 48. Qb4+ Kg8 49. Rf2 Nd1 50. Rd2 Nc3 51. Rb2 Qb6 52. Qe7 Ra8 53. Qa3 Ra5 54. g4 Ra8 55. Rg2 Nxb5 56. Qe7 Nd6 57. Ba2 Qd8 58. Qxd8+ Rxd8 59. f5 exf5 60. gxf5 Kg7 61. fxg6 fxg6 62. Kf2 Kf6 63. Rg4 Nf5 64. Rg1 Rc8 65. Bd5 Ke5 66. Be4 a3 67. Rb1 Kf4 68. Ra1 Rc2+ 69. Kg1 Kg3 70. Kf1 Ne3+ 71. Ke1 Rf2 72. Rc1 a2 73. Bxg6 Rf1+ 0-1
2023.03.27 African Zonal 4.2 Open
997586 Cogan, N (2013) Bobby Ballah (1914) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Ne2 Nc6 7. O-O d5 8. cxd5 exd5 9. a3 cxd4 10. exd4 Bd6 11. h3 h6 12. Be3 a6 13. Ng3 Re8 14. Qf3 Be6 15. b4 Nh7 16. Nf5 Bf8 17. Qg3 Bxf5 18. Bxf5 Bd6 19. Bxh7+ Kxh7 20. Qf3 Qh4 21. Rad1 Kg8 22. Nxd5 Rad8 23. Nc3 Bb8 24. d5 Ne5 25. Qf5 Nc4 26. Bd4 Be5 27. Bxe5 Rxe5 28. Qf3 Rd6 29. Ne2 Rg5 30. Rd4 Ne5 31. Qe3 Qh5 32. Nf4 Qf3 33. Qxe5 Rdg6 34. Qxg5 Rxg5 35. d6 Qc3 36. Rfd1 1-0
2023.03.27 African Zonal 4.2 Open
1003135 Barcon, Harmon (1928) Cogan, N (2013) 1-0
1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c3 Nc6 6. Be3 Nf6 7. Bd3 d5 8. exd5 Qxd5 9. O-O O-O 10. Be2 Ne5 11. Nf3 Bd7 12. Bd4 Nxf3+ 13. Bxf3 Qd6 14. Nd2 Bc6 15. Re1 Rfd8 16. Bxc6 bxc6 17. Qf3 c5 18. Be3 Qd5 19. Qxd5 Rxd5 20. Nb3 c4 21. Nd2 Rb5 22. Nxc4 Rc8 23. b3 Nd5 24. Bd4 Nxc3 25. Bxg7 Kxg7 1-0
2023.03.26 African Zonal 4.2 Open
1003108 Kennedy Zinnah Kengo (1785) Cogan, N (2013) 0-1
1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Be2 g6 6. O-O Bg7 7. d4 O-O 8. Re1 cxd4 9. cxd4 d6 10. exd6 Qxd6 11. Nc3 Bf5 12. a3 Rfd8 13. Bg5 Nf4 14. Bf1 h6 15. Bh4 g5 16. Bg3 Bg4 17. Bxf4 Qxf4 18. Re4 Bxf3 19. Qxf3 Qxf3 20. gxf3 Rxd4 21. Bb5 e6 22. Bxc6 bxc6 23. Rxd4 Bxd4 24. Rd1 e5 25. Rd2 Rb8 26. Nd1 Rb3 27. Kg2 Kg7 28. Rc2 c5 29. Ne3 Kf6 30. Nc4 Ke6 31. Rc1 Kd5 32. Rc2 f5 33. Ne3+ Bxe3 34. fxe3 Rxe3 35. Rd2+ Kc4 36. Rd7 Re2+ 37. Kg1 Rxb2 38. Rxa7 Kd3 39. a4 c4 40. a5 c3 41. a6 c2 42. Rc7 Rb1+ 43. Kf2 c1=Q 44. Rd7+ Kc4 45. Rc7+ 0-1
2023.03.26 African Zonal 4.2 Open
1003120 Cogan, N (2013) Abdulraheem, Abdulrahman Akintoye (2302) 1/2-1/2
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 Qe7 9. O-O dxc4 10. bxc4 e5 11. Bd3 Re8 12. Ng5 h6 13. Nge4 Nxe4 14. Nxe4 Nf6 15. f3 Nxe4 16. Bxe4 exd4 17. exd4 Bxh2+ 18. Kxh2 Qh4+ 19. Kg1 f5 20. Bd3 Qxd4+ 21. Kh1 1/2-1/2
2023.03.25 African Zonal 4.2 Open
1003095 Cogan, N (2013) Egbe, Kossi Thierry (1740) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 d5 8. O-O O-O 9. a3 Ba5 10. cxd5 exd5 11. Ng3 Nc6 12. Na4 c4 13. Bc2 Bc8 14. Bd2 Bxd2 15. Qxd2 h5 16. Qf2 Re8 17. Rfe1 Qd6 18. Nc3 Be6 19. Rad1 a6 20. e4 Qf4 21. e5 Nd7 22. Nxh5 Qh6 23. Ng3 Ne7 24. f4 g6 25. f5 gxf5 26. Bxf5 Kg7 27. Rf1 Rh8 28. h3 Rag8 29. Nce2 Kf8 30. Bxe6 Qxe6 31. Nf4 Qh6 32. Nxd5 Qg6 33. Nf4 Qh6 34. Nfh5 Rh7 35. Qf3 Qc6 36. d5 Qc5+ 37. Kh1 Nxe5 38. Qe4 N7g6 39. d6 Qc8 40. d7 Nxd7 41. Qf5 Ke7 42. Rfe1+ Kd8 43. Nf6 1-0