WORLDBASE Player / Joueur IM Ortega, Mariano
GameID: 0
155 games / 155 parties
2025.07.27 12th Pontevedra Open 2025
870 Ortega, Mariano (2404) Villar Perez, S (2231) 1-0
1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 Nc6 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 d5 8. b4 b6 9. Be2 Bb7 10. O-O Re8 11. Bb2 Qd7 12. Qb3 dxc4 13. Bxc4 Ne7 14. Rfd1 Rad8 15. Rac1 Nf5 16. Bf1 a6 17. Ne2 Qd6 18. f3 Nh4 19. e4 Nd7 20. a4 Rc8 21. b5 Qe7 22. g3 Ng6 23. Nc3 a5 24. Bg2 h5 25. h4 c5 26. bxc6 Bxc6 27. Nb5 Bxb5 28. Qxb5 Qd6 29. f4 Nb8 30. Qxh5 Nc6 31. Qb5 Nb4 32. h5 Ne7 33. Qe5 Rxc1 34. Bxc1 Qd7 35. Qb5 Qc8 36. Bb2 Rd8 37. Rc1 Qb7 38. Ba1 Rc8 39. Rc4 Nc2 40. Bb2 Ne3 41. Rxc8+ Qxc8 42. Qd3 Nxg2 43. Kxg2 Qc6 44. d5 exd5 45. h6 Qxh6 46. Qd4 Qg6 47. exd5 Nxd5 48. f5 Qf6 49. Qxf6 Nxf6 50. Kf3 Kf8 51. Bd4 Nd7 52. Ke4 g6 53. fxg6 fxg6 54. Kd5 Ke7 55. Kc6 g5 1-0
2025.07.27 12th Pontevedra Open 2025
880 Balaji, Aaravamudhan (2351) Ortega, Mariano (2404) 1/2-1/2
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Ba2 b6 11. O-O Ba6 12. Bb2 Rd8 13. Rc1 Nc6 14. c4 cxd4 15. exd4 b5 16. d5 bxc4 17. Bxc4 Bxc4 18. Rxc4 exd5 19. Rc2 Qd6 20. Ng3 d4 21. Qc1 Ne7 22. Rd1 d3 23. Rcd2 Qa6 24. Qc3 Rac8 25. Rxd3 Rxd3 26. Rxd3 h5 27. Qd2 h4 28. Rd8+ Ne8 29. Qd7 Rxd8 30. Qxd8 Qb5 31. Qxe7 hxg3 32. hxg3 Qxb2 33. Qxe8+ Kh7 34. Qa4 Qc1+ 35. Kh2 Qc5 36. f3 g6 37. Qb4 Qd5 38. Qc3 a5 39. a4 Qh5+ 40. Kg1 Qd5 41. Qc2 Qd4+ 42. Kf1 Qa1+ 43. Ke2 Qe5+ 44. Kf2 Qd4+ 45. Ke2 1/2-1/2
2025.07.26 12th Pontevedra Open 2025
859 Ibanez Aullana, J (2242) Ortega, Mariano (2404) 1/2-1/2
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. Re1 Nc6 10. Bb2 Ne8 11. Ne5 Nxe5 12. Rxe5 f6 13. Re1 e5 14. d3 Nc7 15. Qe2 Re8 16. Qd2 a5 17. Ba3 Na6 18. Bxe7 Rxe7 19. Qe2 Nc5 20. Nd2 Bf5 21. Ne4 Nxe4 22. Bxe4 Qd7 23. Bxf5 Qxf5 24. Qe4 Qxe4 25. Rxe4 f5 26. Re2 e4 27. Rd1 Rd8 28. Red2 Red7 29. Re1 Re8 30. Red1 Red8 31. Re1 Re8 32. Red1 e3 33. Re2 1/2-1/2
2025.07.25 12th Pontevedra Open 2025
840 Cernadas Camean, David (2181) Ortega, Mariano (2404) 0-1
1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. d3 g6 5. Bg2 Nc6 6. O-O Bg7 7. c3 O-O 8. Re1 e5 9. a3 b5 10. b4 a5 11. c4 bxc4 12. b5 Nd4 13. dxc4 Nd7 14. Nxd4 cxd4 15. a4 Nc5 16. Ba3 Qb6 17. Nd2 Be6 18. Qf3 Rfc8 19. Bf1 Rc7 20. Nb3 Nb7 21. Rac1 Rac8 22. Qd3 Bh6 23. Rc2 Bxc4 24. Rxc4 Rxc4 25. Qxc4 Rxc4 26. Bxc4 Qc7 27. Bd5 Nc5 28. Rb1 Nxa4 29. Bc6 Bf8 30. Nd2 Nb6 31. Nb3 Nc4 32. Bc1 a4 33. Nd2 Nb6 34. Ba3 Bh6 35. Bb4 Bxd2 36. Bxd2 a3 37. Bb4 a2 38. Ra1 Qa7 39. Bxd6 Nc4 40. Bd5 Nxd6 41. Rxa2 Qc5 0-1
2025.07.25 12th Pontevedra Open 2025
850 Ortega, Mariano (2404) Cabanas Lopez, Eduardo (2144) 1/2-1/2
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 c5 5. cxd5 cxd4 6. dxe6 Bxe6 7. Bg2 Nc6 8. O-O Bc5 9. Nbd2 O-O 10. Ne1 Bd5 11. Nd3 Bb6 12. Nf3 Re8 13. Bg5 h6 14. Bxf6 Qxf6 15. Nd2 Bxg2 16. Kxg2 Ne5 17. a3 Qf5 18. Nf3 Nxf3 19. exf3 Re6 20. Qd2 Rae8 21. Rfe1 Rxe1 22. Rxe1 Rxe1 23. Nxe1 Qd5 24. Nd3 Qe6 25. Qf4 Qd7 26. Qe5 Kh7 27. h4 Kg8 28. h5 Bc7 29. Qe4 Bb6 30. g4 Qb5 31. Kg3 Qd7 32. f4 Qb5 33. Kf3 Qa4 34. Kg2 Qd7 35. f5 a5 36. Ne5 Qd6 37. Nc4 Qc7 38. Ne5 Qd6 39. Kf3 Bc7 40. Nd3 Qh2 41. Ke2 Qd6 42. Qxb7 Kh7 43. Qe4 f6 44. b4 axb4 45. axb4 Qb6 46. Qd5 Bd6 47. b5 Bb8 48. Qc5 Qb7 49. Qc6 Qe7+ 50. Qe6 Qc7 51. Qc6 Qe7+ 52. Kf3 Qa3 53. Ke4 Ba7 54. Qc4 Qe7+ 55. Kf3 Qd6 56. Nf4 Bb8 57. Nd3 Ba7 58. Kg2 Bb8 59. Qc5 Qh2+ 60. Kf3 Qh3+ 61. Ke2 Qxg4+ 62. Kd2 Bf4+ 63. Nxf4 Qxf4+ 64. Ke1 Qe4+ 65. Kd2 Qf4+ 1/2-1/2
2025.07.24 12th Pontevedra Open 2025
833 Ortega, Mariano (2404) Rey Chimera, Luca (2098) 1-0
1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. cxd5 exd5 6. Bg5 Be7 7. e3 c6 8. Bd3 O-O 9. Qc2 Re8 10. O-O g6 11. h3 Nf8 12. Bh6 Bd6 13. Rab1 Bd7 14. Bg5 Ne6 15. Bh4 Be7 16. Ne5 Ng7 17. g4 h5 18. f3 Nh7 19. Bg3 Ng5 20. Qg2 N5e6 21. f4 Nf8 22. f5 h4 23. fxg6 fxg6 24. Nf7 Qb6 25. Be5 Be6 26. Nh6+ Kh7 27. Nf5 Bxf5 28. gxf5 Bd8 29. fxg6+ Kg8 30. Bxg7 Kxg7 31. Rf7+ Kg8 32. g7 Ne6 33. Qg6 Ng5 34. Rbf1 1-0
2025.02.18 Titled Tue 18th Feb Early
171423 Skvortsov, Andrei (2321) Ortega, Mariano (2435) 1-0
1. e4 e6 2. g3 d5 3. Bg2 dxe4 4. Nc3 Nf6 5. Nxe4 Nxe4 6. Bxe4 Nd7 7. Bg2 Nf6 8. Nf3 c5 9. d4 cxd4 10. Qxd4 Qxd4 11. Nxd4 Bc5 12. Nb5 O-O 13. Bf4 a6 14. Nc3 Bb4 15. O-O-O Bxc3 16. bxc3 Nd5 17. Bxd5 exd5 18. Rxd5 Be6 19. Ra5 Rfc8 20. Be5 f6 21. Bd4 b5 22. Re1 Kf7 23. Kd2 Rc4 24. Rb1 Rd8 25. Rxa6 Rd5 26. a3 h5 27. Re1 Bd7 28. f4 Rc6 29. Ra7 Re6 30. Rxe6 Kxe6 31. Kd3 Kd6 32. c4 bxc4+ 33. Kxc4 Bb5+ 34. Kc3 g5 35. Bxf6 gxf4 36. gxf4 Rc5+ 37. Kd2 Ke6 38. Be5 Bd7 39. Ra6+ Kf5 40. Rf6+ Ke4 41. Rd6 Bf5 42. Rd3 h4 43. a4 Rc4 44. Re3+ Kd5 45. Ra3 1-0
2025.01.21 Titled Tue 21st Jan Late
208213 Ortega, Mariano (2435) Urazayev, Arystanbek (2448) 0-1
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. Be3 a5 8. d5 Na6 9. Nd2 Nc5 10. g4 c6 11. g5 Ne8 12. h4 cxd5 13. cxd5 Bd7 14. a4 Nc7 15. Nc4 Be8 16. Bxc5 dxc5 17. Nb6 Rb8 18. Qb3 Na6 19. Rd1 Nb4 20. Nc4 f6 21. Rg1 fxg5 22. hxg5 b6 23. Nb5 Kh8 24. Bg4 Qxg5 25. f3 Qh4+ 26. Kd2 Qf2+ 27. Kc1 h5 28. Rh1 Bh6+ 29. Kb1 hxg4 30. Rxh6+ Kg7 31. Rdh1 Rxf3 32. Rh7+ Kf6 33. Qd1 Bxb5 34. axb5 Qd4 35. Qxd4 cxd4 36. Nd6 Kg5 37. Nf7+ Kf4 38. d6 g3 39. d7 g2 40. Rg1 Rf1+ 0-1
2024.12.03 Titled Tue 3rd Dec Early
267897 Ortega, Mariano (2435) Nagare Kaivalya Sandip (2352) 0-1
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d4 d5 7. Nbd2 a5 8. b3 a4 9. Bb2 Bf5 10. a3 axb3 11. Qxb3 Ra6 12. a4 Nbd7 13. Bc3 b6 14. cxd5 Nxd5 15. Bb2 N5f6 16. Nc4 Be6 17. Qc2 c5 18. Nce5 Bd5 19. dxc5 Nxc5 20. Ra3 Qa8 21. Rfa1 Rc8 22. Qd1 Ng4 23. Bd4 Nxe5 24. Bxe5 Bxe5 25. Nxe5 Bxg2 26. f3 Bh3 27. g4 h5 28. Qd2 hxg4 29. Qh6 Qd5 30. Nxg6 fxg6 31. Qxg6+ Kf8 32. Qh6+ Ke8 33. Re3 b5 34. Rc1 Rxh6 0-1
2024.12.03 Titled Tue 3rd Dec Early
268047 Narva, T (2064) Ortega, Mariano (2435) 1-0
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 c6 6. Nf3 Bf5 7. h3 Qc7 8. O-O e6 9. Re1 Nbd7 10. Nd4 Be7 11. Nxf5 exf5 12. Qf3 g6 13. Bh6 Rg8 14. Re2 Kd8 15. Bxf7 1-0
2024.11.05 Titled Tue 5th Nov Early
300774 Ortega, Mariano (2435) Aslanov, Umid (2222) 1-0
1. Nf3 d5 2. d3 Nf6 3. Nbd2 c5 4. e4 dxe4 5. dxe4 Nc6 6. Bc4 e6 7. O-O Be7 8. c3 O-O 9. Qe2 a6 10. a4 Rb8 11. Rd1 Qc7 12. Nf1 Na5 13. e5 Nd7 14. Bd3 c4 15. Bc2 Nc5 16. Bg5 Nab3 17. Bxe7 Qxe7 18. Ra3 b5 19. axb5 axb5 20. Nd4 b4 21. Nc6 Qc7 22. Nxb4 Na5 23. Rxa5 Qxa5 24. Nc6 Qb5 25. Nxb8 Qxb8 26. Ne3 Ba6 27. Qh5 g6 28. Qh6 Rd8 29. Ng4 Rxd1+ 30. Bxd1 Nd7 31. Nf6+ Nxf6 32. exf6 Qf8 33. Qxf8+ Kxf8 34. f4 Ke8 35. Kf2 Kd7 36. Ke3 Bb7 37. g3 g5 38. Kd4 gxf4 39. gxf4 Kd6 40. Bh5 Bd5 41. Bxf7 1-0
2024.11.05 Titled Tue 5th Nov Early
301182 Sakun, V (2301) Ortega, Mariano (2435) 1-0
1. d4 d6 2. e4 Nd7 3. Nc3 e5 4. Be3 Ngf6 5. f3 Be7 6. Qd2 O-O 7. g4 c6 8. Nge2 b5 9. Ng3 b4 10. Nce2 exd4 11. Nxd4 Bb7 12. g5 Ne8 13. Ndf5 Ne5 14. Be2 c5 15. O-O-O a5 16. f4 Nc6 17. Bc4 a4 18. h4 Na5 19. Bd5 b3 20. h5 Bxd5 21. Qxd5 Nc7 22. Qd3 bxa2 23. Kd2 d5 24. Ke2 d4 25. Bf2 Re8 26. g6 fxg6 27. hxg6 hxg6 28. Nh6+ gxh6 29. Rxh6 Kg7 30. Rdh1 Rh8 31. Nf5+ gxf5 32. Qg3+ Bg5 33. fxg5 Rg8 34. Rh7+ Kf8 35. Qe5 Ne8 36. Qxf5+ Nf6 37. Qxc5+ Ke8 38. Qe5+ Kf8 39. gxf6 Ra6 40. Qc5+ 1-0
2024.11.05 Titled Tue 5th Nov Early
301569 Ortega, Mariano (2435) Shubenkova, Veronika (2024) 1-0
1. Nf3 d5 2. d3 c5 3. Nbd2 Nc6 4. e4 d4 5. g3 e5 6. h4 f6 7. Bh3 Bxh3 8. Rxh3 Qd7 9. Rh1 Nge7 10. Kf1 Nc8 11. Kg2 Nd6 12. a4 Be7 13. b3 O-O-O 14. Nc4 Nxc4 15. bxc4 a5 16. h5 g6 17. Nh4 Rdg8 18. hxg6 Bf8 19. gxh7 Rxh7 20. Nf5 Rgh8 21. Rxh7 Qxh7 22. Nh4 Rg8 23. Kf1 Nb4 24. Bd2 Qd7 25. Bxb4 Qh3+ 26. Ke2 cxb4 27. Qh1 Qe6 28. Nf5 Qd7 29. Qh3 Kb8 30. Kf3 Ka7 31. Kg2 Ka8 32. Qh5 Ka7 33. Rh1 Bc5 34. Qh7 Qe8 35. Qc7 Bb6 36. Qd6 Rh8 37. Rxh8 Qxh8 38. c5 Bd8 39. c6 Qe8 40. c7 Bxc7 41. Qxc7 Qxa4 42. Nd6 Qc6 43. Qxa5+ Kb8 44. Qxb4 f5 45. Qxb7+ Qxb7 46. Nxb7 fxe4 47. dxe4 Kxb7 48. f4 exf4 49. gxf4 Kc6 50. f5 Kc5 51. f6 Kc4 52. f7 Kc3 53. f8=Q Kxc2 54. e5 d3 55. Qd6 d2 56. e6 d1=Q 57. Qxd1+ Kxd1 58. e7 Kc2 59. e8=Q Kb1 60. Qe2 Ka1 61. Kf3 Kb1 62. Ke3 Ka1 63. Kd3 Kb1 64. Kc3 Ka1 65. Kb3 Kb1 66. Qb2# 1-0
2024.11.05 Titled Tue 5th Nov Early
301860 Toktomushev, Teimur (2247) Ortega, Mariano (2435) 1-0
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nge2 Be7 6. f3 O-O 7. Be3 c6 8. Qd2 a6 9. O-O-O b5 10. g4 Nb6 11. Ng3 exd4 12. Bxd4 b4 13. Nb1 c5 14. Be3 Be6 15. Qc2 Nfd7 16. Nd2 a5 17. h3 a4 18. f4 f6 19. Nf5 b3 20. axb3 axb3 21. Nxb3 Bxf5 22. exf5 Ra2 23. Kb1 Qa8 24. Bg2 Qa6 25. Qe4 Re8 26. Rxd6 Rxb2+ 27. Kxb2 Nxc4+ 28. Qxc4+ Qxc4 29. Bd5+ Kf8 30. Bxc4 Bxd6 31. Bd2 Nb6 32. Be6 c4 33. Na5 Rb8 34. Kc2 Ra8 35. Nxc4 Ra2+ 36. Kb3 Nxc4 37. Bxc4 Ra3+ 38. Kc2 Rg3 39. g5 Rg2 40. Kd3 Rg3+ 41. Ke4 Rg2 42. Be3 Ke7 43. Ra1 Rg3 44. Ra7+ Kf8 45. Ra8+ Ke7 46. Rg8 fxg5 47. fxg5 Rxh3 48. Rxg7+ Kd8 49. f6 Rh4+ 50. Kd5 Bf8 51. Rg8 Ke8 52. Bc5 Kf7 53. Rxf8+ Kg6 54. Rg8+ Kf7 55. Rg7+ Ke8 56. Bb5+ Kd8 57. Bd6 Re4 58. Rg8+ Re8 59. Rxe8# 1-0
2024.11.05 Titled Tue 5th Nov Early
302070 Ortega, Mariano (2435) Teterev, V (2257) 1-0
1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Na6 8. Re1 Qe7 9. Bf1 Bg4 10. d5 Nb4 11. Be2 a5 12. Be3 Na6 13. Nd2 Bd7 14. a3 Kh8 15. Rb1 Nc5 16. b4 axb4 17. axb4 Na4 18. Qc2 Nxc3 19. Qxc3 Ne8 20. c5 f5 21. f3 Nf6 22. b5 fxe4 23. fxe4 Ra2 24. b6 Rxd2 25. Qxd2 Nxe4 26. cxd6 cxd6 27. Qb4 Nf6 28. Red1 Bf5 29. Rbc1 Be4 30. Rc7 Qd8 31. Bg5 h6 32. Bxf6 Qxf6 33. Qxe4 Qf2+ 34. Kh1 Qxb6 35. Rcc1 Kh7 36. Bd3 Rf5 37. Rf1 Rg5 38. h4 Rg3 39. Rf3 Qb2 40. Rg1 Rxf3 41. Qxg6+ Kg8 42. gxf3 e4 43. Bxe4 1-0
2024.11.05 Titled Tue 5th Nov Early
302297 Kshatriya, Nitin Vekhande (2133) Ortega, Mariano (2435) 0-1
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d4 Bf5 6. Nf3 e6 7. Bd2 Bb4 8. a3 Bxc3 9. Bxc3 Qb6 10. O-O O-O 11. Bb4 Rd8 12. Be7 Rd7 13. Bxf6 gxf6 14. Qc1 Kg7 15. b4 Nc6 16. c3 Ne7 17. h3 Nd5 18. Bxd5 Rxd5 19. c4 Rdd8 20. Qf4 Qd6 21. Qh4 a5 22. b5 c6 23. a4 cxb5 24. axb5 b6 25. Rfc1 Rdc8 26. Rc3 Qb4 27. Rac1 a4 28. Qg3+ Bg6 29. Nd2 a3 30. Ra1 Qb2 31. Nb3 a2 32. Qe3 Ra3 33. Qc1 Rxb3 34. Rxb3 Qxb3 35. c5 Qb1 36. c6 Qxc1+ 37. Rxc1 Bb1 38. d5 exd5 39. Rd1 a1=Q 40. Kh2 Qe5+ 41. g3 Be4 42. Rd2 Qc3 0-1
2024.11.05 Titled Tue 5th Nov Early
302582 An, Dinh Minh (1937) Ortega, Mariano (2435) 1-0
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Nf6 7. O-O d6 8. Be3 Be7 9. f4 O-O 10. Bf3 Na5 11. Qe2 Qc7 12. Bf2 e5 13. Nf5 Be6 14. Nxe7+ Qxe7 15. Bh4 exf4 16. e5 dxe5 17. Qxe5 Nc4 18. Qxf4 Qc5+ 19. Kh1 Nd5 20. Bxd5 Bxd5 21. Nxd5 Qxd5 22. Rad1 Qe6 23. Rde1 Qd5 24. b3 Nb6 25. c4 Qh5 26. Re5 Qg6 27. Rg5 Qh6 28. Qg3 f6 29. Rc5 Nd7 30. Rc7 Ne5 31. Qh3 Rf7 32. Rxf7 Kxf7 33. Qf5 Re8 34. Bg3 Qg6 35. Qf2 Kg8 36. Re1 1-0
2024.11.05 Titled Tue 5th Nov Early
302726 Ortega, Mariano (2435) Zia, Tahsin Tajwar (2294) 1-0
1. Nf3 Nf6 2. d3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. e4 e5 7. Nbd2 a5 8. c3 Nfd7 9. d4 Nc6 10. d5 Ne7 11. c4 Nc5 12. Re1 f5 13. exf5 gxf5 14. Nb3 b6 15. Nxc5 bxc5 16. Ng5 h6 17. Ne6 Bxe6 18. dxe6 Rb8 19. Rb1 Qc8 20. Bd2 Qxe6 21. Bxa5 Rfc8 22. Bd5 Nxd5 23. cxd5 Qg6 24. Bc3 f4 25. Kh1 fxg3 26. fxg3 Rf8 27. Qe2 Rf7 28. Rf1 Rbf8 29. Kg2 Rxf1 30. Rxf1 Rxf1 31. Qxf1 Qe4+ 32. Qf3 Qc2+ 33. Kh3 e4 34. Qg4 Kf8 35. Qxg7+ Ke8 36. Bf6 1-0
2024.11.05 Titled Tue 5th Nov Early
303013 Ortega, Mariano (2435) Souleidis, G (2418) 0-1
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nc6 7. Nc3 e5 8. d5 Nb8 9. e4 a5 10. Ne1 Na6 11. Nd3 b6 12. f4 exf4 13. Bxf4 Ng4 14. h3 Ne5 15. Nxe5 dxe5 16. Be3 Bd7 17. g4 Qe7 18. Nb5 Bxb5 19. cxb5 Nc5 20. b3 a4 21. b4 Nb7 22. a3 Nd6 23. Qe2 Qd7 24. Rfc1 Nxb5 25. Rc6 Nd4 26. Bxd4 exd4 27. e5 Rae8 28. e6 fxe6 29. dxe6 Qd8 30. Qc4 Re7 31. Re1 Kh8 32. Kh1 d3 33. Rd1 d2 34. Qc2 Rf2 35. Qe4 Qd4 36. Qxd4 Bxd4 37. Bd5 Re2 38. Rc2 Re1+ 0-1
2024.11.05 Titled Tue 5th Nov Early
303163 Liu, Eric (2322) Ortega, Mariano (2435) 1-0
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. O-O Bb4 8. Bd2 O-O 9. a3 Bxc3 10. Bxc3 Qb6 11. Ne5 Rd8 12. Qf3 Be4 13. Qg3 Nbd7 14. Rae1 Bf5 15. Qf3 Nxe5 16. dxe5 Nd5 17. Bb3 Nxc3 18. Qxc3 Rd4 19. Rd1 Rad8 20. Rxd4 Rxd4 21. h3 h6 22. Re1 c6 23. Qf3 Qd8 24. Qe3 a5 25. c3 Rd2 26. Re2 Rd3 27. Qc5 Rd1+ 28. Kh2 Rb1 29. Qe3 Qd3 30. Qxd3 Bxd3 31. Rd2 Be4 32. f3 Bd5 33. c4 a4 34. cxd5 axb3 35. d6 1-0
2024.09.22 45th Olympiad 2024
357787 Ndahangwapo, Heskiel (2011) Ortega, Mariano (2453) 1/2-1/2
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 b5 7. g4 Bb7 8. Bg2 e6 9. g5 Nfd7 10. Be3 Nb6 11. e5 d5 12. Qg4 Bc8 13. O-O-O Be7 14. h4 Nc4 15. Kb1 b4 16. Ne4 Nxe5 17. Qg3 Nc4 18. h5 Nxe3 19. fxe3 Qb6 20. Nf2 Qd6 21. Qg4 Nc6 22. Nxc6 Qxc6 23. Qd4 Bb7 24. Qxg7 O-O-O 25. Qxf7 Bxg5 26. Bh3 Bxe3 27. Rge1 d4 28. Bxe6+ Kb8 29. Nd3 Rhf8 30. Ne5 Qc5 31. Nd7+ Rxd7 32. Qxd7 Rf2 33. Bb3 h6 34. Qe8+ Ka7 35. Rf1 Qf5 36. Rg1 Qf3 37. a4 bxa3 38. bxa3 Rh2 39. Rdf1 Qxh5 1/2-1/2
2024.09.21 45th Olympiad 2024
357367 Santos Flores, A (2168) Ortega, Mariano (2453) 1/2-1/2
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 O-O 7. e3 Bf5 8. Qb3 Bxc3+ 9. bxc3 Nbd7 10. Be2 c5 11. O-O c4 12. Qxb7 Qa5 13. Qb4 Qxb4 14. cxb4 Ne4 15. Bf4 a5 16. b5 Nc3 17. Rfe1 a4 18. Ne5 Nxe5 19. Bxe5 Nxb5 20. Rac1 f6 21. Bg3 Rfc8 22. f3 Bd3 23. Kf2 f5 24. Red1 Bxe2 25. Kxe2 Ra6 26. e4 fxe4 27. fxe4 Re6 28. Be5 Rxe5 29. dxe5 d4 30. e6 Kf8 31. Rf1+ Ke7 32. Rf7+ Kxe6 33. Rxg7 Nd6 34. Ra7 Rg8 35. g3 Rb8 36. Rxa4 Rb2+ 37. Kf3 d3 38. Rcxc4 Nxc4 39. Rxc4 Rxh2 40. Rd4 Rxa2 41. Rxd3 h5 42. Rb3 Rh2 43. Rb6+ Ke5 44. Rb5+ Ke6 45. Rf5 h4 46. g4 Rh1 47. Rh5 Kf6 48. e5+ Kg6 49. Kf4 Rf1+ 50. Ke4 Rh1 51. Kf3 Re1 52. Kf4 Rf1+ 53. Ke3 Re1+ 54. Kd4 Rh1 55. e6 Kf6 56. Rh6+ Kg5 57. Rh5+ Kf6 58. Rh6+ Kg5 59. Rh5+ 1/2-1/2
2024.09.20 45th Olympiad 2024
357010 Ortega, Mariano (2453) Kayonde, Andrew (2338) 1-0
1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. Qc2 c5 7. O-O cxd4 8. Nxd4 dxc4 9. Qxc4 e5 10. Nf3 Nc6 11. Nc3 h6 12. Rd1 Be6 13. Qa4 Qb6 14. Bd2 Rac8 15. Qb5 Qc7 16. Be3 a6 17. Qa4 Na5 18. Qh4 Nc4 19. Bxh6 gxh6 20. Qxh6 Nh7 21. Bh3 Qc6 22. Bxe6 Qxe6 23. Qxe6 fxe6 24. Rd7 Bc5 25. Ne4 b5 26. b3 Nb6 27. Nxc5 Nxd7 28. Nxd7 Rfd8 29. Ndxe5 Rc2 30. Kf1 a5 31. Nd3 Nf6 32. Nfe1 Rc3 33. Rb1 Re8 34. f4 Ng4 35. h3 Ne3+ 36. Kf2 Nc2 37. Nf3 Nb4 38. Nxb4 axb4 39. Rb2 Rd8 40. g4 Rc6 41. Ke3 Ra6 42. h4 Rda8 43. Ke4 Rxa2 44. Rxa2 Rxa2 45. Nd4 Kf7 46. Ke5 Rd2 47. h5 Rb2 48. g5 Rd2 49. e4 Rd3 50. g6+ Kg7 51. Nxe6+ Kh6 52. Nd4 Kxh5 53. g7 Rg3 54. Kf6 Rg4 55. Nf5 Rg6+ 56. Kf7 Rg4 57. g8=Q Rxg8 58. Kxg8 Kg4 59. e5 1-0
2024.09.19 45th Olympiad 2024
356695 Ortega, Mariano (2453) Hasford, John Kojo (1956) 1-0
1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Na6 8. h3 Nb4 9. Be2 d5 10. e5 Ne8 11. a3 Na6 12. Be3 b5 13. Na2 Nac7 14. Nb4 Bd7 15. Nd3 Ne6 16. f5 N6c7 17. e6 fxe6 18. fxg6 hxg6 19. Nde5 Nd6 20. Nxg6 Rf6 21. Nge5 Be8 22. Bg5 Rf8 23. Qe1 Ne4 24. Qh4 Nxg5 25. Nxg5 Rf6 26. Qh7+ Kf8 27. Bh5 Bxh5 28. Qxh5 1-0
2024.09.16 45th Olympiad 2024
368096 Ortega, Mariano (2453) Meier, Geo (2591) 0-1
1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. Nc3 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 Nc6 8. O-O Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5 11. Be2 Bd7 12. Bd2 Ke7 13. a5 Bb4 14. Na4 Rhd8 15. Nb6 Rab8 16. Bxb4+ Nxb4 17. Ne5 Bc6 18. Bf3 Bxf3 19. gxf3 Nbd5 20. Nec4 Nxb6 21. Nxb6 Nd7 22. Nc4 Rbc8 23. b3 Nb8 24. f4 Rxd1+ 25. Rxd1 Rc5 26. Ra1 Rb5 27. Ra3 Nd7 28. Kg2 Nc5 29. Nd2 Kf6 30. Kf3 Kg6 31. h3 Kh5 32. Kg3 h6 33. Kg2 g5 34. fxg5 hxg5 35. Kg3 f6 36. f4 gxf4+ 37. exf4 Rb4 38. Kf3 Kh4 39. Ke3 Kxh3 40. Ra2 Nxb3 41. Ne4 f5 42. Nf2+ Kh4 43. Nd3 Re4+ 44. Kf3 Nd4+ 45. Kf2 Nc6 46. Kf3 Kh5 47. Rb2 Nxa5 48. Ne5 Kh6 49. Rb6 Kg7 50. Rxe6 Nc6 51. Rg6+ Kh7 52. Rf6 Nxe5+ 53. fxe5 Rxe5 54. Rf7+ Kg6 55. Rxb7 a5 56. Ra7 Rb5 57. Ra8 Rb3+ 58. Kf4 Rb4+ 59. Kf3 a4 60. Ke3 f4+ 61. Kf3 Kf5 62. Ra5+ Ke6 63. Kg4 Rc4 64. Kf3 Kd6 65. Ke2 Rd4 66. Rf5 Kc6 67. Ra5 Kb6 68. Ra8 Kb5 0-1
2024.09.15 45th Olympiad 2024
367745 Saraci, Nderim (2446) Ortega, Mariano (2453) 0-1
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O g6 6. d4 Bd7 7. Nc3 Bg7 8. Bxc6 Bxc6 9. dxe5 Nxe4 10. Nxe4 Bxe4 11. Re1 d5 12. Ng5 Bf5 13. e6 Bxe6 14. Nxe6 fxe6 15. Rxe6+ Kf7 16. Re1 c6 17. c3 Re8 18. Be3 Re4 19. Qd2 Qc7 20. f3 Re6 21. Bd4 Bxd4+ 22. Qxd4 Qb6 23. b3 Qxd4+ 24. cxd4 a5 25. Kf2 b6 26. Rac1 Rc8 27. f4 c5 28. Re5 Rxe5 29. fxe5 Ke6 30. Ke2 Ra8 31. dxc5 bxc5 32. Rxc5 a4 33. b4 a3 34. Kd3 Kxe5 35. Ra5 Rb8 36. b5 h5 37. h4 Rb7 38. Ke3 Rb8 39. Kd3 Rb7 40. Kc3 Ke4 41. Ra4+ Ke3 42. Kb4 d4 43. Rxa3+ d3 44. Kc5 Ke2 45. Rxd3 Kxd3 46. b6 Rf7 47. a4 Rf2 48. a5 Rf5+ 49. Kb4 Rf4+ 50. Kb5 Rf5+ 51. Ka6 Kc4 52. b7 Rb5 53. Ka7 Rxa5+ 54. Kb6 Rb5+ 55. Kc7 Kd4 56. b8=Q Rxb8 57. Kxb8 Ke4 58. Kc7 Kf4 59. Kd6 Kg3 60. Ke5 Kxg2 61. Kf6 Kh3 62. Kg5 Kg3 63. Kxg6 Kxh4 64. Kf5 Kg3 0-1
2024.09.14 45th Olympiad 2024
367447 Asante Debesai Zerabruk (1908) Ortega, Mariano (2453) 0-1
1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nc6 6. O-O e5 7. Be3 Nge7 8. c4 O-O 9. Qd2 f5 10. Nc3 Nd4 11. Nh4 f4 12. gxf4 Nec6 13. Nf3 Nxf3+ 14. Bxf3 exf4 15. Bxf4 Bxc3 16. bxc3 Qf6 17. Bxd6 Qxd6 18. Qe3 Qf4 19. Kg2 Bh3+ 20. Kxh3 Qxf3+ 21. Qxf3 Rxf3+ 22. Kg4 Raf8 23. Rg1 R8f4+ 0-1
2024.09.13 45th Olympiad 2024
366994 Ortega, Mariano (2453) Romanov, E (2567) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. e3 O-O 6. Bd3 c5 7. Ne2 Nc6 8. O-O Bxc3 9. Qxc3 b6 10. a3 a5 11. b3 Ba6 12. Bb2 cxd4 13. Nxd4 Ne5 14. Bc2 Rc8 15. a4 Nd5 16. Qd2 Nb4 17. Rfc1 Qh4 18. f4 Ng4 19. Nf3 Qe7 20. e4 Bb7 21. Re1 e5 22. Rac1 Qc7 23. h3 Qc5+ 24. Kh1 Nxc2 25. Rxc2 Nf6 26. fxe5 Nxe4 27. Qd4 dxe5 28. Qxe5 Qxe5 29. Bxe5 Rfe8 30. Bd4 Re6 31. Kh2 Rd8 32. Rce2 h6 33. Bg1 f5 34. Nd4 Rf6 35. g4 g6 36. gxf5 gxf5 37. Rf1 f4 38. Rg2+ Ng3 39. Rxf4 Rxf4 40. Rxg3+ Kf7 41. Rg4 Rf1 42. Be3 h5 43. Rg5 h4 44. Rf5+ Rxf5 45. Nxf5 Bc8 46. Nd4 Kg6 47. Kg2 Re8 48. Bf2 Kh5 49. Kh2 Bb7 50. Kg1 Rg8+ 51. Kf1 Bg2+ 52. Ke1 Bxh3 53. Nf3 Re8+ 0-1
2024.09.12 45th Olympiad 2024
366724 Ortega, Mariano (2453) Tchouka, Yakini (1932) 1-0
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 b6 7. e4 dxe4 8. dxe4 Bb7 9. e5 Nfd7 10. Qe2 Nc6 11. Rd1 Qc8 12. h4 Rd8 13. b3 a5 14. Bb2 a4 15. Ne4 axb3 16. axb3 Rxa1 17. Rxa1 h6 18. Bc3 Nc5 19. Ned2 Bf8 20. b4 Nd7 21. b5 Ne7 22. Ne4 Nd5 23. Bd4 Nc5 24. Bxc5 Bxc5 25. Rd1 Be7 26. Nd4 Qa8 27. Qg4 Kf8 28. Rd3 Nb4 29. Nxe6+ fxe6 30. Rf3+ Ke8 31. Qxe6 Bxe4 32. Rf7 Rd7 33. Rxg7 Qa1+ 34. Kh2 1-0
2024.09.11 45th Olympiad 2024
366193 Deac, Bogdan-Daniel (2680) Ortega, Mariano (2453) 1-0
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d3 c5 7. Ne5 b6 8. e4 dxe4 9. dxe4 Bb7 10. Nc3 Nfd7 11. Nxd7 Nxd7 12. f4 Bf6 13. e5 Bxg2 14. Kxg2 Be7 15. Qe2 Qc7 16. Qe4 a6 17. Be3 Rae8 18. Rad1 f5 19. Nd5 Qc8 20. Nxe7+ Rxe7 21. Qf3 Qa8 22. Rd6 Qxf3+ 23. Kxf3 Rc8 24. Rfd1 Rc7 25. g4 fxg4+ 26. Kxg4 Rb7 27. Rc6 Re8 28. Rdd6 Kf7 29. b3 a5 30. Bf2 h6 31. h4 g6 32. h5 g5 33. Bg3 gxf4 34. Bxf4 a4 35. bxa4 Ra7 36. Rd3 Rb8 37. Kf3 Rbb7 38. Rcd6 Ke7 39. Bg3 Nb8 40. Ra3 b5 41. cxb5 Rxb5 42. Bh4+ Kf7 43. Kg3 Rb4 44. Rf3+ Kg7 45. Rxe6 Rbxa4 46. Bf6+ Kf7 47. Rd6 Re4 48. e6+ 1-0
2024.08.20 Titled Tue 20th Aug Early
400066 Ortega, Mariano (2465) Butti, E (1983) 1/2-1/2
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Nc6 7. f3 Nxd4 8. Qxd4 e5 9. Qd2 Be6 10. O-O-O h6 11. g4 Rc8 12. Kb1 Qa5 13. Nd5 Qxd2 14. Rxd2 Bxd5 15. exd5 Be7 16. c4 Nd7 17. Rc2 a5 18. b3 Bd8 19. Bd3 Bb6 20. Bd2 Rc7 21. h4 h5 22. g5 Nc5 23. Be4 Ke7 24. Kb2 g6 25. Re1 Ra8 26. a3 Kf8 27. f4 exf4 28. Bxf4 Rd7 29. Rce2 Re8 30. Bc2 Rxe2 31. Rxe2 Na6 32. Kc3 Bc5 33. Kb2 Re7 34. Rxe7 Kxe7 35. Bd2 b6 36. Be4 Kd7 37. Bg2 Ke7 38. Bh3 Kd8 39. Bc3 Ke7 40. Bc8 Nb8 41. Be1 Nd7 42. b4 axb4 43. axb4 Bd4+ 44. Kb3 Ne5 45. Bg3 Nf3 46. Ka4 Be5 47. Bf2 Bd4 48. Bg3 Be5 49. Bxe5 Nxe5 50. Kb5 Kd8 51. Bb7 Kc7 52. Bc6 Nf3 53. Be8 Nxh4 54. Bxf7 Nf3 55. Bxg6 h4 56. Bf5 Nxg5 57. c5 bxc5 58. bxc5 dxc5 59. Kxc5 h3 60. Bxh3 Nxh3 61. d6+ Kd8 62. Kc6 Ng5 63. d7 Ne6 1/2-1/2
2024.08.17 ch-ESP Rapid 2024
411422 Montesinos Diaz, Luis (2075) Ortega, Mariano (2465) 0-1
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3 O-O 9. Qd2 Be6 10. O-O-O a5 11. Bb5 Qb8 12. g4 Rc8 13. Kb1 Ne8 14. Nd5 Bxd5 15. exd5 a4 16. Nc1 Nc7 17. Bd3 Nd4 18. Bxd4 exd4 19. Bf5 Re8 20. Qxd4 a3 21. b3 Bf6 22. Qd3 g6 23. Be4 Na6 24. c3 Nc5 25. Qc2 Qd8 26. Ne2 Qe7 27. Nd4 Nxe4 28. fxe4 Qxe4 29. Qxe4 Rxe4 30. Nb5 Be5 31. Rhe1 Rxg4 32. c4 Rg2 33. Rxe5 dxe5 34. c5 Rb2+ 0-1
2024.08.17 ch-ESP Rapid 2024
411439 Ortega, Mariano (2465) Diaz Mino, Pablo (2262) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 a6 7. g4 b5 8. g5 Nfd7 9. h4 b4 10. Na4 c5 11. d5 Nb6 12. Nxb6 Qxb6 13. Qd2 a5 14. Rd1 Nd7 15. f4 b3 16. a3 a4 17. Kf2 Qa5 18. Qc1 Nb6 19. Bd2 Qa6 20. Bc3 e5 21. dxe6 Bxc3 22. Qxc3 Bxe6 23. Rxd6 Rfd8 24. Rxd8+ Rxd8 25. h5 Qa7 26. Qf6 Qd7 27. Nf3 Bg4 28. Rd1 1-0
2024.08.17 ch-ESP Rapid 2024
411455 Iglesias Ferreira, Andres (2298) Ortega, Mariano (2465) 1-0
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. O-O d6 8. c4 Nf6 9. Nc3 O-O 10. Qe2 Qc7 11. f4 Nbd7 12. Bd2 Nc5 13. Nxc5 Qxc5+ 14. Kh1 Qh5 15. Qxh5 Nxh5 16. g4 Nf6 17. g5 Nd7 18. b4 b6 19. a4 Bb7 20. a5 d5 21. cxd5 Bxb4 22. dxe6 fxe6 23. axb6 Nc5 24. Bc2 Rfd8 25. Be1 Nd3 26. Bxd3 Rxd3 27. Na4 Bxe4+ 28. Kg1 Bd6 29. Bf2 Rc8 30. Rfe1 Bd5 31. Rac1 Rxc1 32. Rxc1 Bxf4 33. Rb1 Bb3 1-0
2024.07.30 12th Pontevedra Open 2024
432603 Ortega, Mariano (2473) Povshednyi, Ivan (2242) 0-1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d6 6. e5 dxe5 7. dxe5 Ng4 8. Nf3 Nc6 9. Bf4 Nd4 10. Qd2 Nxf3+ 11. gxf3 Qxd2+ 12. Kxd2 Nh6 13. a3 Be7 14. Bxh6 gxh6 15. Ne4 f5 16. exf6 Bxf6 17. Nxf6+ Rxf6 18. Rg1+ Kf7 19. Bd3 Rxf3 20. Ke2 Rf4 21. Rg3 Bd7 22. Rag1 Ke7 23. Rg7+ Rf7 24. Rxf7+ Kxf7 25. Bxh7 a5 26. Ke3 Bc6 27. Bg6+ Ke7 28. Bh5 Rf8 29. Rg7+ Kd6 30. Rg6 b5 31. cxb5 Bxb5 32. Rxh6 Bd7 33. Bd1 Rb8 34. b3 Bc6 35. Rh4 Bd5 36. b4 axb4 37. Rxb4 Ra8 38. a4 c5 39. Rb6+ Ke5 40. h4 c4 41. h5 c3 42. f4+ Kf6 43. Bc2 Rh8 44. Bg6 Rc8 45. Bc2 Rh8 46. Kd4 Rxh5 47. Kxc3 Rh3+ 48. Bd3 Be4 49. Rd6 Rf3 50. Kc4 Bd5+ 51. Kc3 Ke7 52. Ra6 Be4 53. Ra7+ Kd8 54. Kd4 Bxd3 55. a5 Bf5 56. Ke5 Rd3 57. a6 Kc8 58. Re7 Kb8 59. a7+ Ka8 60. Rxe6 Bxe6 61. Kxe6 Re3+ 62. Kd6 Rf3 63. Ke5 Kxa7 64. f5 Kb8 65. Kd4 0-1
2024.07.29 12th Pontevedra Open 2024
432591 Veiga, Jose Francisco R P Neves (2385) Ortega, Mariano (2473) 1/2-1/2
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e6 7. Bg2 Be7 8. O-O Qc7 9. Be3 O-O 10. Qe2 Nc6 11. Nxc6 bxc6 12. Na4 d5 13. exd5 cxd5 14. c4 Rb8 15. Rac1 dxc4 16. Rxc4 Qd8 17. Rd1 Nd5 18. Bc5 Re8 19. Nc3 Bf6 20. Ne4 Bb7 21. Bd6 Rc8 22. Nxf6+ Qxf6 23. Be5 Qe7 24. Rxc8 Bxc8 25. Rc1 f6 26. Bd4 Bb7 27. Be4 Qd7 28. Qh5 f5 29. Bxd5 Bxd5 30. Rc7 Rc8 31. Rxc8+ Qxc8 32. Qg5 1/2-1/2
2024.07.28 12th Pontevedra Open 2024
440731 Ortega, Mariano (2473) Starostits, I (2360) 1/2-1/2
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 d5 6. cxd5 Nxd5 7. e4 Nb6 8. Nc3 Bg4 9. Be3 Bxf3 10. gxf3 Nc6 11. d5 Na5 12. Bd4 e5 13. Bc5 Re8 14. b3 c6 15. b4 Nd7 16. Be3 cxd5 17. Nxd5 Nc6 18. Rc1 Rc8 19. Bb5 Nd4 20. Rxc8 Qxc8 21. Bxd4 exd4 22. Qa4 Qc1+ 23. Qd1 Qc8 24. Qa4 Qc1+ 25. Qd1 Qc8 26. Qa4 Qc1+ 27. Qd1 Qc8 28. Qa4 1/2-1/2
2024.07.27 12th Pontevedra Open 2024
440710 Ortega, Mariano (2473) Martinez Reyes, P (2343) 1-0
1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d4 Ngf6 6. Nbd2 e6 7. Re1 Be7 8. e4 dxe4 9. Nxe4 O-O 10. c3 Re8 11. Qb3 Qb6 12. Ned2 Qc7 13. Nc4 Bxf3 14. Bf4 Qd8 15. Bxf3 b5 16. Ne5 Nxe5 17. dxe5 Nd5 18. Rad1 Qb6 19. Bc1 Red8 20. Qc2 Rd7 21. h4 Rad8 22. Kg2 Bc5 23. h5 b4 24. Bg5 Be7 25. Bd2 bxc3 26. bxc3 Qc5 27. Re4 h6 28. Rd4 Nb6 29. Rxd7 Rxd7 30. Be3 Qxe5 31. Rxd7 Nxd7 32. Bxc6 Nb6 33. Bf3 Bc5 34. Bf4 Qe1 35. Qd2 Qb1 36. Qd8+ Kh7 37. Qc7 Qf5 38. g4 Qf6 39. Be5 Qe7 40. Qxe7 Bxe7 41. Be4+ Kg8 42. Bb8 Na4 43. c4 Nc3 44. Bc2 Bc5 45. a4 Ne2 46. Kf1 Nd4 47. Bd1 Kf8 48. Bf4 Nc6 49. Bd2 Ke7 50. f4 f6 51. Ke2 Kd6 52. Kd3 Bb4 53. Bc1 Bc5 54. Ke4 Ne7 55. g5 Nf5 56. gxf6 gxf6 57. Bg4 Ne7 58. f5 exf5+ 59. Bxf5 Nc6 60. Bxh6 1-0
2024.07.27 12th Pontevedra Open 2024
440719 Suarez Gomez, Julio (2492) Ortega, Mariano (2473) 1/2-1/2
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 c5 6. a3 Bxc3 7. Bxc3 Ne4 8. Rc1 b6 9. Nf3 Bb7 10. Be2 Na6 11. O-O d5 12. Nd2 Nxc3 13. bxc3 dxc4 14. Nxc4 Qe7 15. Qd2 Rfd8 16. Rfd1 Nc7 17. a4 Rab8 18. Qb2 Kf8 19. Ne5 Ne8 20. Bb5 Nf6 21. Bc6 Ng4 22. Bxb7 Nxe5 23. Be4 Nc4 24. Qe2 Nd6 25. Bd3 g6 26. e4 cxd4 27. cxd4 Rbc8 28. Rxc8 Rxc8 29. g3 Kg7 30. h4 Ne8 31. Bb5 Nf6 32. Qe3 h5 33. Qd3 e5 34. d5 Qb4 35. d6 Qxe4 36. Qb3 Qb7 37. d7 Rd8 38. Qa3 a6 39. Qe7 Qc7 40. Bc6 Ng8 41. Qd6 Qxd6 42. Rxd6 Ne7 43. Be4 a5 44. Bd3 Nf5 45. Rxb6 Rxd7 46. Bxf5 gxf5 47. Rb5 f6 48. Rxa5 Rd1+ 49. Kg2 Ra1 50. Ra8 e4 51. a5 Ra2 52. Kf1 Kg6 53. Rg8+ 1/2-1/2
2024.07.26 12th Pontevedra Open 2024
440701 Zambrano Rodriguez, Alexander (2226) Ortega, Mariano (2473) 0-1
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 c5 7. Bd3 Qa5 8. O-O cxd4 9. exd4 dxc4 10. Bxc4 Bxc3 11. bxc3 O-O 12. Re1 Nd5 13. Bb3 b5 14. a4 Bb7 15. Bd2 bxa4 16. Bxa4 Qc7 17. Ng5 N7f6 18. Bb3 0-1
2024.07.25 12th Pontevedra Open 2024
440681 Farias, David Nuno M E (2206) Ortega, Mariano (2473) 0-1
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Qxd4 Bd7 6. Qd3 g6 7. c4 Bg7 8. Nc3 Nf6 9. h3 O-O 10. O-O Nb4 11. Qe2 a6 12. Bxd7 Nxd7 13. Bd2 e6 14. Rfd1 Qc7 15. Rac1 Rfc8 16. b3 Nc5 17. Bf4 Rd8 18. h4 h6 19. Bg3 Qa5 20. Nd4 Rac8 21. Rd2 h5 22. Qe3 d5 23. cxd5 exd5 24. Nxd5 Nxd5 25. exd5 Ne4 26. Rxc8 Rxc8 27. Rc2 Rxc2 28. Nxc2 Qxd5 29. Bf4 Nc3 30. Nb4 Qd1+ 31. Kh2 Ne2 32. Nd3 Qg1+ 33. Kh3 Qh1+ 34. Bh2 Qd1 35. Nc5 Qc2 36. Qe8+ Kh7 37. Ne4 f6 38. Bg3 Nc3 39. Nxc3 Qxc3 40. Qd7 b5 0-1
2024.07.25 12th Pontevedra Open 2024
440690 Ortega, Mariano (2473) Nagare, Akhilesh (2069) 0-1
1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nf3 Bg4 11. O-O Nd7 12. Be3 Nb4 13. Rac1 Bxf3 14. gxf3 Ne5 15. Rfd1 Ned3 16. Rb1 Ne5 17. Rxd8+ Rxd8 18. Bxa7 Nxa2 19. Nxa2 Ra8 20. Bc5 Rxa2 21. Bxe7 Ra8 22. f4 Nc6 23. Bd6 Nd4 24. Bd1 f5 25. e5 Bh6 26. c5 Kf7 27. Rc1 Ke6 28. Rc4 Kd5 29. Rxd4+ Kxd4 30. Bf3 Bxf4 31. Bxb7 Ra1+ 32. Kg2 Bxe5 33. Bc6 Rb1 34. f4 Rxb2+ 35. Kg3 Bxd6 36. cxd6 Kc5 37. d7 Rd2 38. Ba4 Kb6 39. h4 Rd3+ 40. Kf2 Kc7 41. Bb5 Rb3 42. Bc4 Rb4 43. Bg8 Rxf4+ 44. Kg3 Rg4+ 45. Kh3 Kxd7 0-1
2024.07.24 12th Pontevedra Open 2024
440674 Ortega, Mariano (2473) Gomez Jurado, L (2090) 1-0
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Ne2 Re8 8. Qc2 c5 9. O-O c4 10. Bf5 Nc6 11. b3 Bxf5 12. Qxf5 Ne7 13. Qc2 Rc8 14. Bd2 Bd6 15. bxc4 Rxc4 16. Qd3 Ng6 17. f3 b5 18. Rfb1 a6 19. a4 b4 20. Nxd5 Bxh2+ 21. Kxh2 Qxd5 22. e4 Qd6+ 23. Kg1 Rec8 24. a5 Qd7 25. Rxb4 Ne5 26. Qb3 Rc2 27. Ra2 Rxa2 28. Qxa2 Nc6 29. Rc4 h5 30. Bg5 Ne8 31. d5 Ne5 32. Rxc8 Qxc8 33. Qb2 Nc4 34. Qb4 Ned6 35. Nd4 f6 36. Bf4 Qf8 37. Ne6 Qe7 38. Qb8+ Kh7 39. Nf8+ Kg8 40. Ng6+ Qe8 41. Bxd6 Nxd6 42. Qxd6 Qxg6 43. Qe6+ Kf8 44. Qxa6 Qg3 45. Qa8+ Ke7 46. Qa7+ Kd8 47. Qf2 Qe5 48. Qb6+ 1-0
2024.07.02 Titled Tue 2nd Jul Early
476319 Ortega, Mariano (2473) Cieslak, Patryk (2380) 0-1
1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. O-O e4 5. Ne1 h5 6. d3 h4 7. dxe4 hxg3 8. hxg3 d4 9. e3 Bh3 10. exd4 Qd7 11. d5 Ne5 0-1
2024.07.02 Titled Tue 2nd Jul Early
476703 Miszler, Levente (2273) Ortega, Mariano (2473) 1/2-1/2
1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nc3 d5 5. Qd2 c6 6. O-O-O h5 7. Ng5 b5 8. f3 b4 9. Na4 Qa5 10. b3 Ba6 11. a3 Bb5 12. Qxb4 Qd8 13. Nc5 a5 14. Qd2 a4 15. b4 Nbd7 16. e4 Nxc5 17. dxc5 Bxf1 18. Rhxf1 O-O 19. e5 Nh7 20. Nxh7 Kxh7 21. Rfe1 Qc8 22. Qd3 Qe6 23. Bd2 d4 24. Qxd4 Rfd8 25. Qb2 Rd5 26. Bc3 Rad8 27. Rxd5 Qxd5 28. e6 Bh6+ 29. Kb1 f5 30. Qa2 Qd1+ 31. Rxd1 Rxd1+ 32. Kb2 Bc1+ 33. Ka1 Bd2+ 34. Kb2 Bc1+ 35. Ka1 Bd2+ 36. Kb2 Bc1+ 1/2-1/2
2024.07.02 Titled Tue 2nd Jul Early
477048 Ortega, Mariano (2473) Stojanovski, Sa (2169) 1-0
1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 cxd4 6. exd4 Nf6 7. d5 Nb8 8. Bd3 O-O 9. O-O d6 10. h3 Na6 11. Re1 Nc5 12. Bc2 a5 13. Bg5 Bd7 14. Qd2 Re8 15. Rab1 Rb8 16. Be3 e5 17. dxe6 Bxe6 18. b3 Qb6 19. Nb5 Rbd8 20. Rbd1 Qc6 21. Nfd4 Qc8 22. Nxe6 Rxe6 23. Qxa5 Nfe4 24. Bxe4 Nxe4 25. Qc7 Nc3 26. Qxc8 Rxc8 27. Nxc3 Bxc3 28. Re2 f5 29. Rc2 Bb4 30. g3 Rc7 31. Rd5 Bc5 32. Bxc5 dxc5 33. Rcd2 Ree7 34. Kg2 Kf7 35. h4 h5 36. Kf3 Rc6 37. Rd7 Rc7 38. Rxc7 Rxc7 39. Kf4 Ke6 40. Kg5 Rc6 41. Re2+ Kf7 42. Rd2 Rc7 43. Rd6 Re7 44. Rf6+ Ke8 45. Rxg6 Re2 46. f4 Rxa2 47. Kxf5 Rb2 48. Rb6 Rg2 49. Rxb7 Rxg3 50. Ke6 Rg4 51. Rb8# 1-0
2024.07.02 Titled Tue 2nd Jul Early
477398 Yelisieiev, Yevhenii (2407) Ortega, Mariano (2473) 1-0
1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. a4 bxa4 5. c4 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Na6 10. h3 Nb4 11. Bb1 Ba6 12. Qe2 e6 13. dxe6 fxe6 14. Rxa4 Nd7 15. Nb5 Nb6 16. Ra3 Bxb5 17. cxb5 d5 18. Ng5 Qd7 19. Qg4 Rfe8 20. Rf3 Re7 21. Nxh7 Kxh7 22. e5 Kg8 23. Qxg6 Rf7 24. Rg3 Kf8 25. Bg5 Nc4 26. Bf6 Nxe5 27. Bxg7+ Rxg7 28. Qf6+ Qf7 29. Qxe5 Kg8 30. h4 Re8 31. h5 Rxg3 32. fxg3 Qg7 33. Qf4 Qd4+ 34. Qxd4 cxd4 35. h6 d3 36. Rd1 e5 37. Bxd3 Nxd3 38. Rxd3 d4 39. Kf2 Kh7 40. Ra3 e4 41. Rxa7+ Kxh6 42. Rd7 d3 43. Ke3 Kg5 44. b6 Kf5 45. b7 Rb8 46. Rf7+ Ke5 47. Re7+ Kf5 48. g4+ Kg5 49. Re5+ Kg6 50. Rb5 Rd8 51. b8=Q Rxb8 52. Rxb8 Kg5 53. Re8 1-0
2024.07.02 Titled Tue 2nd Jul Early
477713 Gnechko, Ruslan (2104) Ortega, Mariano (2473) 1/2-1/2
1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. O-O c6 6. Nc3 Bd6 7. d3 O-O 8. e4 Na6 9. exf5 exf5 10. cxd5 cxd5 11. Bg5 Nc7 12. Qb3 h6 13. Bxf6 Qxf6 14. Nxd5 Nxd5 15. Qxd5+ Kh7 16. d4 Rd8 17. Qb3 Be6 18. Qxb7 Rab8 19. Qxa7 Rxb2 20. a4 f4 21. Rab1 Rxb1 22. Rxb1 Bd5 23. Qa6 Qf5 24. Rf1 g5 25. Qb5 Be7 26. Re1 Bf6 27. Ne5 Bxg2 28. Kxg2 g4 29. Qb7+ Bg7 30. Qe4 f3+ 31. Kf1 Qxe4 32. Rxe4 h5 33. Ke1 Rb8 34. Nd3 Rb3 35. Kd2 Ra3 36. d5 Bc3+ 37. Ke3 Bf6 38. d6 Bd8 39. Rb4 Kg7 40. Rb7+ Kf6 41. Rb4 Ke6 42. h3 Kxd6 43. hxg4 hxg4 44. Rxg4 Bb6+ 45. Kd2 Ra2+ 46. Kc3 Bxf2 47. Nxf2 Rxf2 48. Kd3 Ra2 49. Ke3 f2 50. Rf4 Rxa4 51. Rxf2 Rg4 52. Kf3 Rg8 53. Re2 Kd5 54. g4 Rf8+ 55. Kg3 Rg8 56. Kh4 Rh8+ 57. Kg5 Rg8+ 58. Kf5 Rf8+ 59. Kg6 Rg8+ 60. Kh5 Rh8+ 61. Kg5 Rg8+ 62. Kf4 Rf8+ 63. Kg3 Rg8 64. Re1 Kd6 65. Re4 Kd5 66. Re2 Kd6 67. Re3 Kd5 68. Kf3 Rf8+ 69. Kg3 Rg8 70. Re7 Kd6 71. Rf7 Ke5 72. Rf5+ Ke6 73. Kh4 Rh8+ 74. Kg5 Rg8+ 75. Kf4 Ke7 76. g5 Rf8 77. g6 Rxf5+ 78. Kxf5 Kf8 79. Kf6 Kg8 80. Kf5 Kg7 81. Kg5 Kg8 82. Kh6 Kh8 83. Kh5 Kg7 84. Kg5 Kg8 85. Kf6 Kf8 86. g7+ Kg8 87. Kg6 1/2-1/2
2024.07.02 Titled Tue 2nd Jul Early
477880 Ortega, Mariano (2473) Pinto, Daniel (2265) 0-1
1. c4 e5 2. Nc3 Nc6 3. e4 Nf6 4. Nf3 Bb4 5. d3 h6 6. Be2 d6 7. O-O Bxc3 8. bxc3 O-O 9. Ne1 Nh7 10. f4 f5 11. exf5 Bxf5 12. g4 Bd7 13. f5 Be8 14. Be3 g6 15. fxg6 Rxf1+ 16. Bxf1 Bxg6 17. Bxh6 Qh4 18. Be3 Ng5 19. Bxg5 Qxg5 20. Bg2 Qe3+ 21. Kh1 Rf8 22. Rc1 Rf2 23. Rc2 Rxc2 24. Nxc2 Qxd3 25. Qxd3 Bxd3 26. Ne3 Kf7 27. h4 e4 28. Kh2 Ne5 29. Kg3 Nxc4 30. Nxc4 Bxc4 31. Bxe4 Bxa2 32. h5 d5 33. Bf5 c5 34. h6 d4 35. cxd4 cxd4 36. g5 Bc4 37. g6+ Kf6 38. Kf4 Bd5 39. g7 Bg8 40. Bd3 a5 41. Bb5 Kg6 42. Ke4 Kxh6 43. Kxd4 Kxg7 44. Kc5 Bb3 45. Kb6 a4 46. Bxa4 Bxa4 47. Ka5 Bc6 48. Kb6 Kf6 49. Kc5 Ke7 50. Kb6 Kd8 51. Kc5 Kc7 52. Kb4 b6 53. Ka3 Kd6 54. Kb2 Kc5 55. Kc3 b5 56. Kb2 Bd5 57. Ka1 Kb4 58. Kb2 Ka4 59. Kb1 Ka3 60. Ka1 b4 61. Kb1 Kb3 62. Ka1 Ba8 63. Kb1 Kc3 64. Ka1 b3 65. Kb1 b2 66. Ka2 Bd5+ 0-1
2024.05.28 Titled Tue 28th May Late
527441 Ortega, Mariano (2473) Barria Santos, Jose Guilherme (2410) 0-1
1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 8. Ne5+ c6 9. d4 Qxg2 10. Bf1 Qxh1 11. Qh5+ g6 12. Nxg6 hxg6 13. Qxh8 Kf7 14. Bg5 Bg4 15. Kd2 Be6 16. Bc4 Qxa1 17. Bxe6+ Kxe6 18. Qxg8+ Kf5 19. Qh7 Bb4+ 0-1
2024.05.28 Titled Tue 28th May Late
527833 Gutenev, A (2455) Ortega, Mariano (2473) 1-0
1. b3 d5 2. Bb2 Bf5 3. e3 e6 4. h4 h6 5. g4 Be4 6. f3 Bh7 7. Bg2 c5 8. Ne2 Nc6 9. Nbc3 f6 10. Nf4 Qd7 11. d3 Nge7 12. Qd2 O-O-O 13. Bh3 e5 14. Nh5 Kb8 15. O-O-O d4 16. Ne4 Nd5 17. exd4 cxd4 18. a3 Qf7 19. Kb1 g6 20. Nhg3 f5 21. Nf2 f4 22. Nge4 Ne3 23. Rc1 Be7 24. g5 h5 25. c4 dxc3 26. Qxc3 Rhe8 27. Nf6 Bxf6 28. gxf6 Qxf6 29. Ne4 Qe7 30. Nc5 Nd5 31. Qc4 Ne3 32. Qb5 Rd6 33. Ka2 Bg8 34. Rhe1 Bd5 35. Na6+ Ka8 36. Nb4 Red8 37. Nxd5 Rxd5 38. Qa4 Rxd3 39. Bf1 Rd2 40. Bb5 Nd4 41. Qa5 Ndc2 42. Re2 Rxe2 43. Bxe2 Rd2 44. Bb5 Rd5 45. a4 Nb4+ 46. Kb1 Qd8 47. Qxd8+ Rxd8 48. Bxe5 a6 49. Bxf4 Ned5 50. Bg5 Rf8 51. Be2 Re8 52. Bc4 Re3 53. Kb2 Nd3+ 54. Bxd3 Rxd3 55. f4 Rd2+ 56. Rc2 Rxc2+ 57. Kxc2 b5 58. axb5 axb5 59. Kd3 Kb7 60. Kd4 Kc6 61. Ke5 Ne3 62. Kf6 Kd5 63. Kxg6 Ke4 64. Kxh5 Nf5 65. Kg6 Nd4 66. h5 Nxb3 67. h6 Nd4 68. h7 Ne6 69. h8=Q 1-0
2024.05.28 Titled Tue 28th May Late
527892 Ortega, Mariano (2473) Mathur, Rithwik (2111) 1/2-1/2
1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. e3 a6 6. cxd5 exd5 7. Bd3 Bd6 8. O-O O-O 9. b3 Re8 10. Bb2 b6 11. Rc1 Bb7 12. Ne2 c5 13. Ng3 g6 14. Qc2 Ne4 15. Rfd1 Qe7 16. dxc5 Ndxc5 17. Nd4 Rac8 18. Qe2 Nxd3 19. Qxd3 Ba3 20. Bxa3 Qxa3 21. Rxc8 Rxc8 22. Nxe4 dxe4 23. Qd2 Qc5 24. h3 h5 25. Ne2 Qc2 26. Nd4 Qc5 27. Ne2 Qc2 28. Nd4 Qc5 1/2-1/2
2024.04.30 Titled Tue 30th Apr Late
558614 Ortega, Mariano (2473) Mischuk, D (2298) 0-1
1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. h3 c5 6. Nf3 c4 7. Be2 Bd6 8. O-O O-O 9. b3 cxb3 10. axb3 Nc6 11. c4 h6 12. Nc3 Bf5 13. Ba3 Bxa3 14. Rxa3 Re8 15. Re1 a6 16. Ra1 Qd6 17. c5 Qd7 18. Na4 Qc7 19. Bd3 Rxe1+ 20. Nxe1 Bxd3 21. Qxd3 Re8 22. Nc2 Qf4 23. Nc3 Qg5 24. Ne3 Nb4 25. Qd2 Qg6 26. Ne2 Nc6 27. Nf4 Qe4 28. Ne2 Qe7 29. Nc3 Qd7 30. Rd1 Ne4 31. Nxe4 Rxe4 32. Qc3 Qe6 33. b4 f5 34. Nc2 Qf6 35. Qd3 f4 36. f3 Re7 37. Kf1 Kf7 38. Re1 Rxe1+ 39. Kxe1 Qg5 40. Qe2 Qf5 41. Kd2 Qxc2+ 42. Kxc2 Nxd4+ 43. Kd3 Nxe2 44. Kxe2 Ke6 45. Kd3 Ke5 46. Kc3 g5 47. Kd3 h5 48. Kc3 d4+ 49. Kc4 g4 50. hxg4 hxg4 51. Kd3 gxf3 52. gxf3 Kd5 0-1
2024.04.30 Titled Tue 30th Apr Late
558793 Oliveira, T1 (1964) Ortega, Mariano (2473) 0-1
1. d4 c5 2. d5 e5 3. c4 d6 4. g3 Be7 5. Bg2 Bg5 6. Nf3 Bxc1 7. Qxc1 Ne7 8. Nc3 O-O 9. e4 h6 10. O-O f5 11. Nd2 f4 12. Rb1 g5 13. b4 cxb4 14. Rxb4 Na6 15. Rb2 Ng6 16. Nb5 b6 17. f3 h5 18. Nb3 Qe7 19. a4 Bd7 20. a5 Rfc8 21. Rc2 Nb4 22. Rc3 Na2 23. Qa3 Nxc3 24. Nxc3 fxg3 25. c5 h4 26. c6 gxh2+ 27. Kh1 Be8 28. Bh3 Rd8 29. Nb5 Nf4 30. c7 Bxb5 31. cxd8=Q+ Rxd8 32. Qb4 Bxf1 33. Bxf1 Qc7 34. axb6 Qxb6 35. Qa4 Qf2 0-1
2024.04.30 Titled Tue 30th Apr Late
559073 Ortega, Mariano (2473) Martin Fuentes, A (2372) 0-1
1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 f5 5. Nc3 Bg7 6. e3 O-O 7. Nge2 c5 8. g3 Nc6 9. Bg2 d6 10. O-O Be6 11. Rc1 Qa5 12. d3 Rfd8 13. Qd2 Ne7 14. Nf4 d5 15. cxd5 Nxd5 16. Nfxd5 Bxd5 17. Bxd5 Rxd5 18. Qc2 Rd7 19. Ne2 b6 20. Nf4 Rad8 21. Rfd1 Be5 22. Rd2 h5 23. a4 h4 24. Kg2 hxg3 25. hxg3 Kg7 26. Rh1 Qa6 27. Ne2 Qb7+ 28. f3 Qa6 29. Nc1 Qa5 30. Rdd1 Qc3 31. Qxc3 Bxc3 32. Ne2 Bb4 33. d4 cxd4 34. Rxd4 Rxd4 35. Nxd4 Bc5 36. Rd1 Bxd4 37. Rxd4 Rc8 38. Rd7 Rc3 39. Rxa7 Rxe3 40. b4 Re2+ 41. Kf1 Rb2 42. a5 Rxb4 43. a6 Ra4 44. Ke2 b5 45. f4 Ra3 46. Kf2 b4 47. Rb7 Rxa6 48. Rxb4 Ra2+ 49. Kf3 Ra3+ 50. Kf2 Kh6 51. Rb7 Kh5 52. Rxf7 Kg4 53. Rg7 Ra2+ 54. Ke3 Ra3+ 55. Kd4 Kxg3 56. Rxg6+ Kxf4 0-1
2024.03.20 ch-Africa 2024
598581 Bellahcene, B (2522) Ortega, Mariano (2482) 1-0
1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. f4 e6 7. h4 Be4 8. Nf3 h5 9. Nbd2 Bxf3 10. Qxf3 hxg4 11. Qxg4 Nh6 12. Qg1 c5 13. dxc5 Qa5 14. b4 Qxb4 15. Rb1 Qxc5 16. Rxb7 a6 17. c4 Nd7 18. Qxc5 Nxc5 19. Rb6 Na4 20. Rc6 dxc4 21. Bg2 Ra7 22. Rh3 Kd7 23. Rxc4 Nc5 24. Ba3 Rc7 25. Rhc3 1-0
2024.03.19 ch-Africa 2024
598569 Ortega, Mariano (2482) Mwali, C (2340) 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. Bb5+ Nfd7 9. a4 Qh4+ 10. g3 Qd8 11. Nf3 O-O 12. O-O Na6 13. Re1 Nc7 14. Bf1 Re8 15. Bg2 Rb8 16. h3 b5 17. axb5 Nxb5 18. Nxb5 Rxb5 19. Nd2 Qc7 20. Nc4 Nb6 21. Na3 Rb4 22. Nc2 Rb3 23. Ra3 Rb5 24. b3 c4 25. b4 Nd7 26. Be3 a5 27. bxa5 Rxa5 28. Bd4 Bxd4+ 29. Qxd4 Rxa3 30. Nxa3 Ba6 31. Rc1 Nc5 32. Rc3 Nb3 33. Qe3 f5 34. e5 dxe5 35. d6 Qxd6 36. Nxc4 Bxc4 37. Rxc4 Na5 38. Rc5 Qb6 39. fxe5 Kh8 40. e6 Nb3 41. Rc3 Rxe6 42. Qxb6 Rxb6 43. Rc8+ Kg7 44. Rc7+ Kh6 45. Bd5 Nd4 46. Bg8 Rb2 47. Rxh7+ Kg5 48. Kf1 f4 49. gxf4+ Kxf4 50. Rh4+ Ke3 51. Bd5 Rf2+ 52. Kg1 Ne2+ 53. Kh1 Nf4 54. Ba8 Ra2 55. Bb7 Rb2 56. Ba8 Rb1+ 57. Kh2 Rb2+ 1/2-1/2
2024.03.18 ch-Africa 2024
598557 Abdulraheem, Abdulrahman Akintoye (2229) Ortega, Mariano (2482) 0-1
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. Bb3 Nxd4 10. Bxd4 b5 11. a3 O-O 12. O-O-O Qa5 13. g4 Nd7 14. f4 Nc5 15. Kb1 Nxb3 16. cxb3 b4 17. axb4 Qxb4 18. g5 Bb7 19. Rhg1 Rac8 20. Rg3 Rfe8 21. h4 Bf8 22. Na2 Qb5 23. Qg2 e5 24. fxe5 dxe5 25. Bg1 Red8 26. Rxd8 Rxd8 27. Nc1 Qb4 28. Rg4 Rd1 29. Kc2 Re1 30. Nd3 Bxe4 31. Qd2 Bxd3+ 32. Kxd3 Qxb3+ 33. Qc3 Qd5+ 0-1
2024.03.17 ch-Africa 2024
605655 Paiva, Donaldo (2172) Ortega, Mariano (2482) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 O-O 7. e3 Bf5 8. Qb3 Bxc3+ 9. bxc3 Nbd7 10. Be2 c5 11. O-O c4 12. Qxb7 Qa5 13. Qb4 Qxb4 14. cxb4 Ne4 15. Be7 Rfe8 16. Bc5 Nc3 17. Rfe1 a5 18. a3 Nxc5 19. bxc5 Rab8 20. Bf1 Rb2 21. Ne5 f6 22. Nc6 Na4 23. Nxa5 c3 24. Nc6 c2 25. Nb4 Nc3 26. Rec1 Kf8 27. g4 Bg6 28. Ba6 Ra8 29. c6 Rxa6 30. Nxa6 Ke7 31. Kg2 Ne2 32. Nb4 Nxc1 33. Rxc1 Rb1 34. Na2 Kd6 35. f4 Be4+ 36. Kf2 Rb2 37. Nb4 Rb1 38. Na2 Kxc6 39. Ke2 Kb5 40. Kd2 Kc4 41. Re1 Rxe1 42. Kxe1 Kd3 43. a4 Kxe3 44. a5 Bd3 45. Nc1 Bc4 46. f5 h6 47. h3 Ba6 48. h4 Bc4 0-1
2024.03.17 ch-Africa 2024
605666 Ortega, Mariano (2482) Aikhoje, O (2215) 1/2-1/2
1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. e4 Bg7 5. d4 cxd4 6. Nxd4 d6 7. Be2 Nfd7 8. O-O Nc6 9. Be3 O-O 10. Rc1 Nxd4 11. Bxd4 Bxd4 12. Qxd4 Ne5 13. Rfd1 Nc6 14. Qe3 f5 15. exf5 Rxf5 16. Bd3 Re5 17. Be4 Qf8 18. f4 Rh5 19. Bd5+ Kg7 20. Ne4 e5 21. Bxc6 bxc6 22. Rxd6 Qxf4 23. Qxf4 exf4 24. Rxc6 Re5 25. Rc7+ Kh6 26. Nd6 Be6 27. Kf2 a5 28. Re7 Kg5 29. Re1 Kf6 30. Rxh7 Rxe1 31. Kxe1 Ke5 32. Nf7+ Kd4 33. b3 Bf5 34. Nd6 Bb1 35. Nb5+ Kc5 36. Nc3 Bf5 37. Rb7 Rh8 38. Rb5+ Kd4 39. Kd2 Be6 40. h3 a4 41. Nxa4 f3 42. gxf3 Rxh3 43. Nc3 Rxf3 44. Ne2+ Ke4 45. Rg5 Rd3+ 46. Kc2 Re3 47. Ng3+ Kf4 48. Rxg6 Bg4 49. Rxg4+ Kxg4 50. Nf1 Re2+ 51. Nd2 Kf4 52. Kd3 Re3+ 53. Kd4 Re2 54. Nb1 Rxa2 55. b4 Kf5 56. Nc3 Rd2+ 57. Kc5 Ke6 58. Nd5 Kd7 59. b5 Rh2 60. b6 Rh1 61. Kb5 Kd6 62. Nc3 Rh5+ 63. Nd5 Rh1 64. Nb4 Rh5+ 65. Ka6 Kc5 66. b7 Rh6+ 67. Ka5 Rb6 68. Na6+ Kc6 69. b8=Q Rxb8 70. Nxb8+ Kc5 1/2-1/2
2024.03.15 ch-Africa 2024
605649 Ortega, Mariano (2482) David Leroy Debblay (1913) 1-0
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Be3 N8d7 7. Nf3 Nf6 8. h3 Be7 9. Bd3 h6 10. O-O O-O 11. Qe2 c6 12. Bc2 Qc7 13. Qd3 Nh7 14. e5 f5 15. exf6 Nxf6 16. Qg6 Bd6 17. Bxh6 Qf7 18. Bg5 Qxg6 19. Bxg6 Bd7 20. Rfe1 Nbd5 21. Ne5 Bxe5 22. dxe5 Nh7 23. Bd2 Rfd8 24. Nxd5 cxd5 25. Bd3 Rac8 26. f4 Nf8 27. g4 g6 28. Rec1 Kf7 29. Rxc8 Rxc8 30. Rc1 Rxc1+ 31. Bxc1 Bc8 32. Be3 b6 33. b4 Nd7 34. Kf2 Nb8 35. Kg3 Nc6 36. a3 Bd7 37. Kh4 Ne7 38. Kg5 Kg7 39. b5 Ng8 40. Bxg6 Bxb5 41. f5 1-0
2024.02.06 Titled Tue 6th Feb Late
650019 Ortega, Mariano (2482) Kukhmazov, A (2498) 0-1
1. b3 d5 2. Bb2 c6 3. g3 Bf5 4. Nf3 e6 5. Bg2 Nf6 6. O-O h6 7. d3 Be7 8. c4 O-O 9. Nbd2 a5 10. a3 Bh7 11. Rc1 Nbd7 12. Rc2 Re8 13. Qa1 Qb6 14. Ne5 Bf8 15. Nxd7 Nxd7 16. Rb1 f6 17. Bc3 Bc5 18. Rf1 Bg6 19. Rcc1 Bf7 20. d4 Bf8 21. c5 Qa6 22. e4 a4 23. b4 Rad8 24. Rfe1 b5 25. e5 Qc8 26. exf6 gxf6 27. f4 Bg6 28. Re3 Nb8 29. Rce1 Na6 30. Nf3 Nc7 31. Nh4 Bh7 32. Qd1 Qd7 33. Qh5 Qf7 34. Qxf7+ Kxf7 35. f5 exf5 36. Rxe8 Rxe8 37. Rxe8 Nxe8 38. Bd2 Nc7 39. Bh3 Ne6 40. Be3 Ng5 41. Bxf5 Bxf5 42. Bxg5 Bc2 43. Bf4 h5 44. Kf2 Ke6 45. Ke3 Bg7 46. Nf3 Be4 47. Nd2 Bg2 48. Kf2 Bh3 49. Kf3 Kf5 50. Ke3 Bg2 51. Nf3 Kg4 52. Nh4 Be4 53. Kf2 Bf8 54. Ng2 Kh3 55. Ne3 Kxh2 56. g4+ Kh3 57. gxh5 Kh4 58. h6 Kh5 59. Nxd5 Bxd5 60. h7 Bg7 61. Kg3 Kg6 62. Kg4 f5+ 63. Kh4 Bxd4 64. Bd6 Kxh7 65. Be5 Bxe5 0-1
2024.02.06 Titled Tue 6th Feb Late
650168 Da Silva, Giovanni B Tavares (2016) Ortega, Mariano (2482) 1-0
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 c6 5. c4 Nc7 6. Nc3 Bg4 7. exd6 exd6 8. h3 Bh5 9. Be2 Be7 10. O-O O-O 11. Bf4 Nd7 12. d5 Nb6 13. dxc6 bxc6 14. Rc1 Ne6 15. Bg3 d5 16. cxd5 cxd5 17. Nd4 Bxe2 18. Ndxe2 Bf6 19. b3 Rc8 20. Nb5 Qd7 21. Nd6 Rc6 22. Rxc6 Qxc6 23. Qc1 Qxc1 24. Nxc1 d4 25. Rd1 Nd5 26. Ne4 Nc3 27. Nxf6+ gxf6 28. Rd2 Rc8 29. f3 Ne4 30. fxe4 Rxc1+ 31. Kf2 a6 32. Ke2 1-0
2024.02.06 Titled Tue 6th Feb Late
650293 Bullen, Alex (2147) Ortega, Mariano (2482) 0-1
1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bd3 Bg4 6. h3 Bh5 7. g4 Bg6 8. c3 Bd6 9. Bg5 f6 10. Be3 Nge7 11. h4 Qd7 12. h5 Bxd3 13. Qxd3 Qxg4 14. Nbd2 O-O-O 15. O-O-O Rde8 16. Rdg1 Qf5 17. Qb5 a6 18. Qb3 g5 19. c4 Na5 20. Qa4 Nxc4 21. Nxc4 dxc4 22. Qxc4 Qxf3 23. Kb1 Nd5 24. Rc1 Kb8 25. Qb3 Nxe3 26. fxe3 Rxe3 27. Qa4 Rhe8 28. Rhf1 Qe4+ 29. Ka1 Bf4 30. Rcd1 Re2 31. Qb3 Qc2 32. Qb4 Bd6 33. Qxd6 Qxb2# 0-1
2024.02.06 Titled Tue 6th Feb Late
650534 Ortega, Mariano (2482) Desideri, Ricardo Maruchi (1959) 1-0
1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. Nge2 Nbd7 8. d5 e6 9. Ng3 exd5 10. cxd5 Re8 11. Be2 h5 12. O-O h4 13. Nh1 Nh5 14. Nf2 a6 15. a4 f5 16. Qd2 Ndf6 17. Bg5 Qb6 18. Bxh4 fxe4 19. fxe4 Kh7 20. a5 Qa7 21. Na4 b5 22. axb6 Qb7 23. g4 Nxe4 24. Nxe4 Rxe4 25. gxh5 Rxh4 26. hxg6+ Kg8 27. Qg5 Rh6 28. Qd8+ 1-0
2024.02.06 Titled Tue 6th Feb Late
650867 Zhu, Jiner (2467) Ortega, Mariano (2482) 1-0
1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Bc4 Nxc3 9. bxc3 Bg7 10. O-O O-O 11. Re1 b6 12. Bg5 Bf6 13. Bxf6 exf6 14. a4 Bb7 15. Qd2 Kg7 16. Ba2 Na5 17. Re3 Re8 18. Rae1 Rxe3 19. Rxe3 Qd7 20. Qe2 Bxf3 21. Qxf3 Re8 22. Rxe8 Qxe8 23. Qd1 Qe7 24. h3 Qa3 25. Qc2 h5 26. Bd5 h4 27. Ba2 Nb7 28. Kh2 Qd6+ 29. g3 hxg3+ 30. fxg3 Na5 31. Qg2 Qa3 32. Qc2 f5 33. h4 Qd6 34. Qd2 Nc6 35. Kg2 a6 36. Kh2 b5 37. axb5 axb5 38. Qf4 Qxf4 39. gxf4 b4 40. cxb4 Nxb4 41. Bb3 Kf6 42. Kg3 Ke7 43. Kf3 Nc6 44. Ke3 Nd8 45. Bd5 Kd6 46. Bf3 Ne6 47. Bd1 Nc7 48. Bb3 1-0
2024.01.02 Titled Tue 2nd Jan Early
686947 Ibarra Jerez, JC (2559) Ortega, Mariano (2482) 1-0
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 exd4 6. Nxd4 Bd7 7. Nc3 Be7 8. Bxc6 bxc6 9. Bf4 O-O 10. Re1 Ng4 11. Nxc6 Bxc6 12. Qxg4 Rb8 13. b3 Rb4 14. a3 Bf6 15. e5 Rxf4 16. Qxf4 Bxe5 17. Rxe5 dxe5 18. Qxe5 Re8 19. Qc5 Qd2 20. h3 Ba8 21. Nb5 Qd7 22. Nxc7 Rc8 23. Re1 h5 24. Re7 Qd1+ 25. Kh2 Qf1 26. Qg5 Bc6 27. Ne6 g6 28. Nd4 Qxf2 29. Nxc6 Rxc6 30. Qe5 Rf6 31. Re8+ Kg7 32. Qb8 h4 33. Rg8+ Kh6 34. Rh8+ Kg5 35. Qe5+ Rf5 36. Qe7+ Rf6 37. Qe5+ Rf5 38. Qd6 Qf4+ 39. Qxf4+ Rxf4 40. Rc8 Rf2 41. Kg1 Rd2 42. Rc7 f5 43. b4 Kf4 44. Rc3 g5 45. b5 g4 46. hxg4 fxg4 47. a4 g3 48. Kf1 Rf2+ 49. Kg1 Rd2 50. Rf3+ Kg4 51. c4 1-0
2024.01.02 Titled Tue 2nd Jan Early
687388 Ortega, Mariano (2482) Piddubna, Bozhena (2035) 1-0
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. h3 Rb8 12. Qf3 Bd6 13. b3 Be5 14. Bd2 Re8 15. Rae1 Rb7 16. Re2 Rbe7 17. Rfe1 Bd4 18. Na4 Ne4 19. Be3 Bxe3 20. Rxe3 Ng5 21. Qg3 Rxe3 22. Rxe3 Rxe3 23. Qxe3 h6 24. Qxa7 Qe8 25. Qe3 Be6 26. Nc5 Qa8 27. a4 Qa5 28. h4 Ne4 29. Bxe4 dxe4 30. Nxe6 fxe6 31. Qxe4 Qc3 32. Qxe6+ Kh7 33. Qe4+ Kh8 34. g3 c5 35. Kg2 Qd2 36. Qe8+ Kh7 37. Qe4+ Kh8 38. Qd3 Qc1 39. a5 Qa3 40. a6 Qa1 41. c3 Kg8 42. b4 cxb4 43. cxb4 Qa4 44. b5 Qa5 45. Qd5+ Kh8 46. Qc6 Qd2 47. a7 g5 48. a8=Q+ Kg7 49. Qab7+ Kf8 50. Qcc8+ 1-0
2024.01.02 Titled Tue 2nd Jan Early
687510 Ortega, Mariano (2482) Tari, A (2623) 1/2-1/2
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O cxd5 10. Bg5 c6 11. Qf3 Be7 12. h3 Rb8 13. b3 Be6 14. Rad1 h6 15. Bf4 Bd6 16. Ne2 Qc7 17. Bxh6 Ne4 18. Bf4 Nc5 19. Bxd6 Qxd6 20. Nd4 Rbe8 21. Qg3 Qxg3 22. fxg3 Bd7 23. Kf2 g6 24. b4 Na4 25. Rde1 Rxe1 26. Rxe1 Rb8 27. a3 Kf8 28. Nb3 Be6 29. g4 Ke7 30. Ke3 Kd6 31. Kd4 Rh8 32. Nc5 Nxc5 33. bxc5+ Kc7 34. Bxg6 Kd7 35. Bf5 Ke7 36. Bxe6 fxe6 37. Rf1 Rb8 38. Ke5 Rb2 39. Rf6 Rxc2 40. Rxe6+ Kd7 41. Rd6+ Kc7 42. g5 Re2+ 43. Kf6 Rf2+ 44. Ke7 Rxg2 45. g6 d4 46. Kf7 Rf2+ 47. Rf6 Rxf6+ 48. Kxf6 d3 49. g7 d2 50. g8=Q d1=Q 51. Qf7+ Kb8 52. Qe8+ Kb7 53. Qf7+ Kb8 54. Qf8+ Kb7 55. Qf7+ Kb8 1/2-1/2
2024.01.02 Titled Tue 2nd Jan Early
687764 Hansen, SuB (2511) Ortega, Mariano (2482) 1-0
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bg5 Nbd7 6. e3 Bd6 7. Nc3 O-O 8. Rd1 b6 9. cxd5 cxd5 10. Nb5 Be7 11. Bd3 a6 12. Nc3 b5 13. O-O Nb6 14. Ne5 Bb7 15. a4 bxa4 16. Nxa4 Nxa4 17. Qxb7 Rb8 18. Qxa6 Nxb2 19. Nc6 Qc7 20. Bf4 Bd6 21. Bxd6 Qxd6 22. Nxb8 Qxb8 23. Rb1 Qb4 24. Qb5 Qxb5 25. Bxb5 Nc4 26. Bxc4 dxc4 27. Rfc1 1-0
2023.12.10 ch-CPV 2023
720290 Ortega, Mariano (2478) Alho, D (2233) 1-0
1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O c6 7. a4 Qc7 8. Re1 O-O 9. h3 h6 10. b3 Re8 11. Bb2 Nf8 12. Bd3 Ng6 13. Ne2 Bf8 14. Ng3 Nf4 15. Bf1 Bd7 16. Qd2 Ng6 17. a5 Rad8 18. c4 Bc8 19. Qc2 Nf4 20. Red1 Nd7 21. Nf5 g6 22. Ne3 b6 23. g3 Nh5 24. Ng4 Bg7 25. Bg2 Rf8 26. Ne3 Nhf6 27. Ba3 c5 28. dxe5 dxe5 29. axb6 axb6 30. b4 Bb7 31. Nd5 Qd6 32. Rab1 Nxd5 33. cxd5 Ba6 34. bxc5 Nxc5 35. Bf1 Bxf1 36. Kxf1 Ra8 37. Bxc5 bxc5 38. Nd2 f5 39. Nc4 Qa6 40. Rb6 Qa4 41. Qe2 fxe4 42. Kg1 g5 43. Rb7 Rf3 44. Rf1 Rd3 45. Qd2 Rf3 46. Qe2 Rc3 47. Ne3 Rf8 48. Qh5 Qe8 49. Rxg7+ Kxg7 50. Nf5+ Kf6 51. Qxh6+ Kxf5 52. Qh5 1-0
2023.12.09 ch-CPV 2023
720289 Mirulla, David (1929) Ortega, Mariano (2478) 0-1
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. h3 Be7 8. Be3 O-O 9. Qd2 a6 10. O-O Na5 11. Bd3 Qc7 12. Na4 Nc6 13. f4 Nxd4 14. Bxd4 e5 15. fxe5 dxe5 16. Be3 Be6 17. Nb6 Rad8 18. Qf2 Qc6 19. Rae1 Bb4 20. Re2 Nxe4 21. Qh4 f5 22. Bxe4 fxe4 23. Rxf8+ Rxf8 24. Rf2 Re8 25. Re2 Ba5 26. Qf2 Rf8 0-1
2023.12.08 ch-CPV 2023
720281 Ortega, Mariano (2478) Barros, Luis (1656) 1-0
1. e4 g6 2. d4 Bg7 3. Nc3 e6 4. h4 c6 5. h5 g5 6. h6 Bf6 7. e5 Be7 8. Ne4 d5 9. exd6 Bxd6 10. Bxg5 Qa5+ 11. c3 Be7 12. Nf3 Nd7 13. Bxe7 Nxe7 14. Nd6+ Kf8 15. Bc4 Qc7 16. Nxf7 Kxf7 17. Ng5+ Ke8 18. Qh5+ Ng6 19. Nxh7 Ne5 20. dxe5 Qxe5+ 21. Be2 Qg7 22. hxg7 1-0
2023.12.07 ch-CPV 2023
720278 Santos, Kelim Morais (1436) Ortega, Mariano (2478) 0-1
1. c4 e5 2. Nc3 Nf6 3. g3 c6 0-1
2023.12.06 ch-CPV 2023
720272 Ortega, Mariano (2478) Rodriguez, Cel (1746) 1-0
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 Bd7 9. Qd2 O-O 10. O-O-O Qa5 11. Kb1 Ne5 12. Bb3 Rac8 13. h4 h5 14. Nd5 Qd8 15. Nxf6+ Bxf6 16. g4 hxg4 17. h5 Nc4 18. Qe2 Nxe3 19. hxg6 Nxd1 20. Qh2 Bxd4 21. Qh7# 1-0
2023.12.05 ch-CPV 2023
720267 Vaz, Jose Carlos (1833) Ortega, Mariano (2478) 0-1
1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bd3 Bd7 8. O-O Bc6 9. Ng5 dxe5 10. dxe5 Nb4 11. Bxh7 Qxd1 12. Rxd1 Nd7 13. a3 Nd5 14. f4 Bc5+ 15. Kh1 g6 16. Bxg6 fxg6 17. Nxe6 Ke7 18. Nxc5 Nxc5 19. Nc3 Nxc3 20. bxc3 Rh3 21. Kg1 Rxc3 22. Bd2 Rc2 23. Rac1 Rxc1 24. Rxc1 Ne4 25. Bb4+ Ke6 26. Rd1 Kf5 27. g3 g5 28. fxg5 Nxg5 29. Bd6 Nf3+ 30. Kf2 Nxh2 31. Ke3 Re8 32. Kd3 Nf3 33. Kc3 Nxe5 34. Bc5 a6 35. Rd4 Be4 36. Bd6 Rc8+ 37. Kb3 Rc1 38. Bxe5 Kxe5 39. Rd7 Bd5+ 40. Kb2 Rg1 41. Rg7 0-1
2023.12.04 ch-CPV 2023
720256 Monteiro, Antonio David Cabral Anes (1801) Ortega, Mariano (2478) 0-1
1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. Bf4 f6 5. e3 e5 6. Bxe5 fxe5 7. Qh5+ Ke7 8. Qxe5+ Kf7 9. Nc3 Nf6 10. Bd3 Nc6 11. Nxc6 bxc6 12. e4 Bd6 13. Qg5 h6 14. Qd2 Qc7 15. g3 dxe4 16. Bc4+ Kg6 17. O-O-O Bb4 18. Qe3 Qb6 19. Qxb6 axb6 20. Nxe4 Nxe4 21. Bd3 Rxa2 22. c3 Ra1+ 23. Kc2 Rxd1 24. Rxd1 Be7 25. Bxe4+ Bf5 26. Bxf5+ Kxf5 27. Rd7 Ke6 28. Rb7 b5 29. f4 Ra8 30. h3 Ra1 31. f5+ Kd6 32. c4 bxc4 33. Kc3 Rc1+ 34. Kd2 Rg1 35. Kc3 Rxg3+ 36. Kxc4 Rxh3 37. b4 Bf6 38. b5 cxb5+ 39. Rxb5 Rc3+ 40. Kb4 h5 41. Rb6+ Rc6 42. Rb5 h4 43. Rb8 Ke5 44. Rb5+ Kf4 45. Rd5 Rc1 46. Kb3 h3 47. Rd2 Kxf5 48. Rh2 Kg4 49. Kb4 Kg3 0-1
2023.12.04 ch-CPV 2023
720263 Ortega, Mariano (2478) Teixeira, Gil (1820) 1-0
1. e4 d6 2. d4 Nf6 3. Nc3 e6 4. f4 Nbd7 5. Nf3 Be7 6. Bd3 c5 7. e5 dxe5 8. dxe5 Nd5 9. Nxd5 exd5 10. c3 a6 11. O-O Nb6 12. f5 Bd7 13. Qe1 f6 14. exf6 gxf6 15. Bh6 Rg8 16. Ng5 Qc7 17. Ne6 Qc6 18. Ng7+ Kd8 19. Ne6+ Bxe6 20. Qxe6 Qxe6 21. fxe6 Kc7 22. Bxh7 Rh8 23. Bf4+ Kc6 24. Bc2 Nc4 25. b3 Ne5 26. c4 d4 27. Be4+ Kc7 28. Rae1 Bd6 29. Bf5 Rag8 30. Bg3 Kd8 31. Be4 Ke7 32. Bxb7 Rxg3 33. hxg3 Ng4 34. Re4 Ne3 35. Rf3 Be5 36. Bd5 Kd6 37. Rh4 Rxh4 38. gxh4 f5 39. g3 a5 40. h5 Bg7 41. Kf2 Bh6 42. Ke2 Bg5 43. Kd3 Ke7 44. Rf2 Bh6 45. a3 Kd6 46. b4 axb4 47. axb4 Bg5 48. bxc5+ Kxc5 49. h6 Kd6 50. h7 Bf6 51. Ra2 Ng4 52. Ra6+ Ke5 53. e7 Nf2+ 54. Ke2 1-0
2023.12.03 ch-CPV 2023
720254 Ortega, Mariano (2478) Silva, Bryan Jorge (1586) 1-0
1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 e6 5. O-O Be7 6. Re1 O-O 7. Bf1 e5 8. d4 cxd4 9. cxd4 exd4 10. Nxd4 Nc6 11. Nc3 Qb6 12. Nb3 Be6 13. Be3 Qd8 14. Nd4 Bd7 15. h3 a6 16. Rc1 Rc8 17. f4 Be6 18. Nxe6 fxe6 19. Qb3 Qd7 20. f5 Nd8 21. Bc4 d5 22. fxe6 Qxe6 23. Nxd5 Kh8 24. Nb6 Rxc4 25. Qxc4 Qxe4 26. Qxe4 Nxe4 27. Nd7 Rf7 28. Bb6 Nf6 29. Nxf6 gxf6 30. Bxd8 Bxd8 31. Re8+ 1-0
2023.09.05 Titled Tue 5th Sep Early
819313 Ortega, Mariano (2478) Ai, Evan (2199) 1-0
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. O-O Bc5 10. Be3 O-O 11. f3 Ng5 12. Nd2 Ne6 13. N2b3 Bb6 14. Qd2 Qe7 15. f4 Nxd4 16. Nxd4 c5 17. Nf3 d4 18. Bf2 Bb5 19. Rfe1 Rad8 20. a4 1-0
2023.09.05 Titled Tue 5th Sep Early
819755 Sabatier, Mathis (2130) Ortega, Mariano (2478) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 c5 7. d5 e6 8. Be2 exd5 9. exd5 h5 10. Bg5 Qa5 11. O-O Nbd7 12. Nge4 Nxe4 13. Nxe4 Qb6 14. Rb1 Re8 15. Qc2 f5 16. Nc3 Ne5 17. Rfe1 Bd7 18. f4 Ng4 19. Bxg4 hxg4 20. a4 Qb4 21. Be7 Qxc4 22. Bxd6 Bd4+ 23. Kh1 Kf7 24. Be5 b6 25. Qd2 Bxa4 26. Nxa4 Qxa4 27. b4 Rad8 28. Bxd4 cxd4 29. Qxd4 Qd7 30. Ra1 Rxe1+ 31. Rxe1 Qxd5 32. Qe3 Qd7 33. h3 gxh3 34. Qxh3 Kg8 35. Qg3 Kg7 36. Qc3+ Kg8 37. Qc4+ Qf7 38. Qc6 Qh7+ 39. Kg1 Qf7 40. b5 Kg7 41. Qc3+ Kg8 42. Qa3 Re8 43. Rc1 Qe6 44. Ra1 Qe3+ 45. Qxe3 Rxe3 46. Rxa7 Rb3 47. Kf2 Rxb5 48. Kg3 Rb4 49. Ra8+ Kf7 50. Ra7+ Ke6 51. Rg7 Kf6 52. Rb7 Rb3+ 53. Kf2 Rb4 54. g3 Rb3 55. Kg2 b5 56. Kf2 b4 57. Kg2 Rb2+ 58. Kg1 b3 59. Rb6+ Ke7 60. Kh1 1-0
2023.08.01 Titled Tue 1st Aug Early
865428 Ortega, Mariano (2478) Feliz, D (1984) 0-1
1. c4 e6 2. Nc3 d5 3. d4 c5 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 c4 7. e3 Nc6 8. Be2 Be7 9. O-O O-O 10. b3 Qa5 11. Bxf6 Bxf6 12. Rc1 cxb3 13. Qxb3 Ne7 14. h3 Rb8 15. Bd3 Be6 16. Na4 b6 17. Qb5 Qxb5 18. Bxb5 Bf5 19. Ba6 Bc8 20. Bxc8 Rfxc8 21. Nd2 Kf8 22. f4 Ke8 23. g4 h6 24. Kf2 g6 25. Ke2 Kd7 26. Kd3 Nc6 27. a3 Na5 28. Nc3 Ke6 29. f5+ gxf5 30. gxf5+ Kd6 31. Nb5+ Ke7 32. Nxa7 Rxc1 33. Rxc1 Rb7 34. Nc6+ Kd6 35. Nb4 Bg5 36. Nf3 Bf6 37. Rc8 Nc4 38. e4 dxe4+ 39. Kxe4 Kd7 40. Rf8 Ke7 41. Rc8 Nd6+ 42. Kd5 Nxc8 43. Nc6+ Kd7 44. Nfe5+ Bxe5 45. dxe5 Ne7+ 46. Nxe7 Kxe7 47. Kc6 Rb8 48. Kc7 Ra8 0-1
2023.08.01 Titled Tue 1st Aug Late
868033 Ortega, Mariano (2478) Cina', Vittorio (2133) 1-0
1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d5 6. O-O c5 7. e3 b6 8. c4 Bb7 9. d3 dxc4 10. bxc4 Nc6 11. Qe2 Qc7 12. Nc3 a6 13. Nd5 Nxd5 14. cxd5 Bxb2 15. dxc6 1-0
2023.08.01 Titled Tue 1st Aug Late
868310 Rodriguez Santiago, J (2020) Ortega, Mariano (2478) 0-1
1. d4 f5 2. c4 e6 3. g3 d5 4. Bg2 Nf6 5. Nc3 c6 6. e3 Bd6 7. Nf3 O-O 8. O-O Bd7 9. b3 Be8 10. Qc2 Qe7 11. a3 Bh5 12. Nd2 Nbd7 13. f3 e5 14. Bb2 Bg6 15. Rae1 f4 16. e4 exd4 17. Ne2 dxe4 18. fxe4 fxg3 19. hxg3 c5 20. Nf4 Ng4 21. Qd3 Nde5 22. Qe2 Ne3 23. Rf2 Qg5 24. Ne6 Qxg3 25. Nxf8 Rxf8 26. Nf1 Qxf2+ 27. Qxf2 Rxf2 28. Kxf2 Nd3+ 29. Ke2 Nf4+ 30. Kf2 Nexg2 31. e5 Be7 0-1
2023.08.01 Titled Tue 1st Aug Late
868538 Ortega, Mariano (2478) Kozakov, M (2513) 0-1
1. Nf3 Nf6 2. c4 c6 3. d4 d6 4. Nc3 g6 5. e4 Bg7 6. g3 O-O 7. Bg2 a6 8. O-O Nbd7 9. b3 e5 10. Qc2 Re8 11. Rd1 exd4 12. Nxd4 Qc7 13. h3 Nc5 14. Be3 Nfd7 15. f4 Nf8 16. Bf2 Nce6 17. Nde2 Nd7 18. Rd2 Qb8 19. Rad1 Bf8 20. g4 b5 21. a3 bxc4 22. bxc4 Qc7 23. Na4 Rb8 24. Bg3 Nec5 25. Nec3 Nxa4 26. Nxa4 Qa7+ 27. Kh2 Qc7 28. c5 dxc5 29. Rxd7 Bxd7 30. f5 Qa7 31. e5 Rbd8 32. e6 fxe6 33. fxg6 Bc8 34. gxh7+ Qxh7 35. Be4 Qg7 36. Re1 Bd6 37. Bxd6 Rxd6 38. Nxc5 Red8 39. Qc4 Rd2+ 40. Kg1 Qd4+ 41. Qxd4 R8xd4 42. Bg2 Rc2 43. Ne4 Ra2 44. Rb1 Rd8 45. Rb8 e5 46. g5 Rxg2+ 47. Kxg2 Bxh3+ 48. Kxh3 Rxb8 49. Kg4 Rb3 50. Kf5 Rxa3 51. Kxe5 Rd3 52. g6 Kg7 53. Nc5 Rd5+ 0-1
2023.08.01 Titled Tue 1st Aug Late
868600 Kanyamarala, Trisha (2344) Ortega, Mariano (2478) 0-1
1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e5 6. O-O Nge7 7. d3 O-O 8. a3 d6 9. Rb1 h6 10. b4 Rb8 11. Ne1 Be6 12. Nc2 Qd7 13. Re1 Kh8 14. Ne3 f5 15. Ned5 g5 16. Nxe7 Nxe7 17. Nd5 f4 18. Nxe7 Qxe7 19. bxc5 dxc5 20. a4 Qf7 21. Ba3 b6 22. Rf1 g4 23. Be4 Qh5 24. a5 f3 25. h4 Bf6 26. exf3 Bxh4 27. Kg2 gxf3+ 28. Bxf3 Rxf3 29. Rh1 Rbf8 30. Rxh4 Rxf2+ 31. Kg1 Qg5 32. Kh1 Bc8 33. Qc1 Bb7+ 34. Kg1 Qxg3# 0-1
2023.08.01 Titled Tue 1st Aug Late
868775 Romero, Michael D Ortega, Mariano (2478) 1-0
1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 e5 6. Nf3 Nge7 7. O-O O-O 8. Rb1 d6 9. a3 h6 10. b4 Rb8 11. b5 Nd4 12. Ne1 f5 13. e3 Ne6 14. Nd5 g5 15. Nc2 f4 16. Bb2 Nf5 17. Bh3 Kh8 18. Bxf5 Rxf5 19. d4 Qf8 20. dxe5 dxe5 21. exf4 gxf4 22. Qe2 f3 23. Qe4 Ng5 24. Qh4 Rf7 25. Nce3 Be6 26. Ng4 Bxd5 27. cxd5 Rf4 28. gxf4 Qxf4 29. Rbe1 Rg8 30. Kh1 Ne4 31. Bxe5 Bxe5 32. Rxe4 Qxe4 33. Qxh6+ Qh7 34. Qxh7+ Kxh7 35. Nxe5 Re8 36. Nxf3 Re2 37. Rd1 1-0
2023.08.01 Titled Tue 1st Aug Late
868938 Ortega, Mariano (2478) Kostiukov, A (2271) 1-0
1. Nf3 c5 2. b3 g6 3. Bb2 Nf6 4. Bxf6 exf6 5. c4 Bg7 6. Nc3 f5 7. e3 O-O 8. Be2 Nc6 9. O-O Ne7 10. d4 d6 11. Qd2 b6 12. Ne1 Bb7 13. Bf3 Rb8 14. Bxb7 Rxb7 15. Nf3 Rd7 16. d5 Kh8 17. Rab1 Ng8 18. e4 fxe4 19. Nxe4 h6 20. h4 Re8 21. Qf4 f5 22. Ng3 Be5 23. Nxe5 Rxe5 24. Rbe1 Rde7 25. Rxe5 Rxe5 26. h5 g5 27. Qf3 f4 28. Ne4 Qe7 29. Nc3 Nf6 30. g3 Qg7 31. Kg2 Qf7 32. Rh1 Rf5 33. Re1 g4 34. Qd3 f3+ 35. Kg1 Qxh5 36. Re7 Kg8 37. Ne4 1-0
2023.08.01 Titled Tue 1st Aug Late
869066 Rodriguez Fontecha, M (2309) Ortega, Mariano (2478) 1-0
1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d3 d5 6. f4 Bg7 7. Nf3 Bxc3+ 8. bxc3 dxe4 9. Ne5 Nf6 10. O-O O-O 11. Be3 exd3 12. cxd3 Qd6 13. c4 Nd7 14. Nf3 Rd8 15. Qe2 Nf8 16. Ne5 Ne6 17. Qf2 Nd4 18. Rae1 f6 19. Bxd4 cxd4 20. c5 Qd5 21. Nc4 Qxc5 22. Rc1 Qd5 23. Rfe1 Be6 24. Qh4 Rd7 25. Re2 Bf7 26. Rce1 Re8 27. Qf2 c5 28. Nd2 Qxa2 29. Ne4 Qd5 30. Nxf6+ exf6 31. Rxe8+ Bxe8 32. Rxe8+ Kf7 33. Qe2 Rb7 34. Rh8 Re7 35. Rxh7+ Ke8 36. Qxe7# 1-0
2023.07.18 Titled Tue 18th Jul Early
882503 Ortega, Mariano (2478) Hobson, Kenneth (2200) 1-0
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nge7 7. g3 a5 8. a4 d6 9. Bg2 Be6 10. O-O O-O 11. Nd5 Bxd5 12. exd5 Ne5 13. Nd4 Re8 14. f4 N5g6 15. Kh1 Bxd4 16. Qxd4 Nf5 17. Qd3 Qf6 18. Bd2 Nge7 19. Bc3 Qh6 20. Rae1 g6 21. g4 Nh4 22. Qd4 Kf8 23. g5 1-0
2023.07.18 Titled Tue 18th Jul Early
882751 Ortega, Mariano (2478) Skvortsov, Andrei (2307) 0-1
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe5+ 4. Be2 Bg4 5. d4 Bxe2 6. Ngxe2 Qa5 7. O-O Nf6 8. d5 c6 9. b4 Qxb4 10. Rb1 Qc4 11. Rxb7 Nxd5 12. Nxd5 Qxd5 13. Be3 e6 14. Qb1 Na6 15. Qb2 Qc4 16. Rd1 f6 17. Nd4 Nc5 18. Nxc6 Rc8 19. Nxa7 Nxb7 20. Qxb7 Rc7 21. Qb8+ Kf7 22. Nb5 Rc8 23. Rd7+ Ke8 24. Rc7 Rxb8 25. Rxc4 Rxb5 0-1
2023.07.18 Titled Tue 18th Jul Early
883089 Vaglio, J (2174) Ortega, Mariano (2478) 0-1
1. Nf3 d5 2. c4 d4 3. d3 Nc6 4. Bf4 f6 5. Bg3 e5 6. a3 a5 7. e3 Bc5 8. exd4 Nxd4 9. Nxd4 Bxd4 10. Nc3 Ne7 11. Be2 O-O 12. O-O Nf5 13. Bf3 c6 14. Rb1 Be6 15. Ne2 Qd7 16. b4 axb4 17. axb4 Ra3 18. b5 Bc5 19. bxc6 bxc6 20. Nc1 Nd4 21. Nb3 Nxb3 22. Rxb3 Rfa8 23. Be4 f5 24. Bf3 f4 25. Bh4 Bf5 26. Be4 Bxe4 27. Rxa3 Rxa3 28. dxe4 Qxd1 29. Rxd1 Ra2 30. h3 h6 31. Bd8 Bxf2+ 32. Kh1 Bd4 33. h4 h5 34. Be7 Kf7 35. Bd6 Ke6 36. Bf8 g6 37. Rb1 Rc2 38. c5 Bxc5 39. Bxc5 Rxc5 40. Rb7 Rc4 41. Rg7 Kf6 42. Rc7 Rc2 43. Kg1 Ke6 44. Rg7 Kf6 45. Rc7 Rc4 46. Kf2 Rxe4 47. Rxc6+ Kf5 48. Rc8 Re3 49. Rg8 Ra3 50. Kf1 e4 51. Kf2 Ra2+ 52. Kg1 f3 53. Rf8+ Kg4 54. gxf3+ exf3 55. Rg8 Rg2+ 56. Kh1 Kxh4 57. Rf8 Rg3 58. Rf4+ Kg5 59. Rf8 f2 0-1
2023.07.18 Titled Tue 18th Jul Early
883282 Ortega, Mariano (2478) Eugene, Floryan (2384) 0-1
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Bxf6 gxf6 11. Ne3 Bh6 12. Ned5 Nd4 13. Bd3 Rg8 14. Qh5 Rg6 15. h3 Kf8 16. O-O Kg7 17. f4 b5 18. a3 Rc5 19. f5 Rg5 20. Qd1 Bxd5 21. Nxd5 Qa8 22. Ne3 Rg3 23. Ng4 Bf4 24. c3 Nc6 25. Rf3 Rxf3 26. Qxf3 h5 27. Nf2 Qh8 28. Bc2 Ne7 29. Bb3 d5 30. Bxd5 Nxd5 31. exd5 Qh6 32. Ne4 Rxd5 33. Rd1 Rxd1+ 34. Qxd1 Be3+ 35. Kf1 Qf4+ 36. Qf3 Qxf3+ 37. gxf3 Bc1 38. b4 Bxa3 39. Ke2 Kf8 40. Nc5 a5 41. Nb7 axb4 42. cxb4 Bxb4 43. Nd8 Bc5 44. Nc6 b4 45. Na5 Bd4 46. Kd3 Bc3 47. Kc4 Kg7 48. Nb3 Kh6 49. Kd3 Kg5 50. Ke4 Kh4 51. f4 Kxh3 52. fxe5 Bxe5 0-1
2023.07.18 Titled Tue 18th Jul Early
883514 Mikhailova, I (2216) Ortega, Mariano (2478) 0-1
1. d4 d6 2. Nf3 Nd7 3. c4 e5 4. Nc3 g6 5. e4 Bg7 6. Be2 Ne7 7. O-O O-O 8. Be3 exd4 9. Nxd4 Nc6 10. Qd2 a5 11. Rfd1 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Nc5 14. Nd5 f6 15. Rac1 Be6 16. Nc3 Qe7 17. f3 Qg7 18. Bf1 f5 19. Qxg7+ Kxg7 20. exf5 Rxf5 21. b3 Re8 22. Bd3 Re5 23. Kf2 Bf5 24. Bxf5 gxf5 25. Rd2 Re3 26. Rcc2 Nd3+ 27. Kg3 Kf7 28. Re2 Rg8+ 29. Kh4 Rxe2 30. Rxe2 Nf4 31. Rd2 Nxg2+ 32. Kh3 Nf4+ 33. Kh4 b6 34. Nb5 Ne6 35. Nc3 Rg1 36. Re2 Nd4 37. Rf2 f4 38. Nd5 Nf5+ 39. Kh3 Re1 40. Nxf4 Kf6 41. Nd5+ Ke5 42. Nxc7 Kd4 43. Nd5 Ne3 44. Nxe3 Kxe3 45. Rg2 Kxf3 46. Rg7 Re2 47. Rxh7 Rxa2 48. Rd7 Rb2 49. Rxd6 Rxb3 50. Re6 a4 51. Re8 a3 52. Ra8 Ke4+ 53. Kg4 Kd4 54. h4 Kxc4 55. h5 Kb4 56. h6 Rb1 57. h7 Rh1 58. h8=Q Rxh8 59. Rxh8 b5 60. Ra8 Kb3 61. Kf4 b4 62. Ke3 Ka2 63. Kd3 b3 64. Kc3 b2 65. Rb8 b1=Q 66. Rxb1 Kxb1 67. Kb3 a2 0-1
2023.07.18 Titled Tue 18th Jul Early
883699 Rychagov, A (2543) Ortega, Mariano (2478) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 d5 5. Nc3 Bb7 6. cxd5 Nxd5 7. e3 Be7 8. Bb5+ c6 9. Bd3 O-O 10. Qc2 h6 11. e4 Nxc3 12. bxc3 c5 13. O-O Ba6 14. Rd1 Qc7 15. d5 exd5 16. Bxa6 Nxa6 17. exd5 c4 18. Nd4 Nc5 19. Nf5 Nd3 20. Qe2 Bf6 21. d6 Qc5 22. g4 Rfe8 23. Be3 Qd5 24. Qd2 Qf3 25. a4 Qxg4+ 26. Ng3 h5 27. Qe2 Bxc3 28. Qxg4 hxg4 29. Ra2 Be5 30. Rc2 Bxg3 31. hxg3 Red8 32. Rxc4 Rxd6 33. Rxg4 Rad8 34. Rc4 Ne5 35. Rxd6 Rxd6 36. Rc8+ Kh7 37. Bf4 Rd1+ 38. Kg2 Ng6 39. Be3 Rd7 40. g4 Ne5 41. Kg3 f6 42. Bf4 Nd3 43. Bb8 Nc5 44. a5 Na6 45. axb6 axb6 46. Bf4 Rb7 47. Ra8 Nc5 48. Be3 Ne6 49. Re8 Ng5 50. f4 Nf7 51. g5 fxg5 52. fxg5 Kg6 53. Kg4 Kh7 54. Bd4 b5 55. Kf5 g6+ 56. Ke6 1-0
2023.06.27 Titled Tue 27th Jun Late
911792 Oliveira, T1 (1991) Ortega, Mariano (2478) 1-0
1. d4 c5 2. d5 e6 3. c4 exd5 4. cxd5 d6 5. Nc3 Nf6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Re8 11. Nd2 Nbd7 12. Nc4 Ne5 13. Nxe5 Rxe5 14. Bf4 Re7 15. e4 Ne8 16. Bg5 f6 17. Be3 b6 18. Qd2 Rb8 19. f4 b5 20. axb5 axb5 21. Rfc1 Nc7 22. Ra7 b4 23. Ne2 Nb5 24. Rxe7 Qxe7 25. Ra1 Qb7 26. h3 Ra8 27. Qc1 Ra6 28. g4 Qa7 29. Rxa6 Qxa6 30. Ng3 Nc7 31. Bf1 Qa5 32. Be2 Ba6 33. h4 Bxe2 34. Nxe2 f5 35. e5 Nxd5 36. exd6 Nxe3 37. Qxe3 Qa1+ 38. Kg2 Qxb2 39. d7 Kf7 40. Qe8+ Kf6 41. d8=Q# 1-0
2023.06.27 Titled Tue 27th Jun Late
911865 Ortega, Mariano (2478) Davidson, Kevin (2154) 0-1
1. b3 g6 2. Bb2 Nf6 3. Bxf6 exf6 4. c4 d5 5. cxd5 Qxd5 6. Nc3 Qa5 7. g3 Bb4 8. Qc2 O-O 9. Bg2 Nc6 10. Nf3 Bf5 11. Qb2 Ba3 0-1
2023.06.20 Titled Tue 20th Jun Late
918628 Ortega, Mariano (2478) Makhnev, Denis (2469) 1-0
1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. Bg2 Nf6 5. O-O Bf5 6. b3 e6 7. Bb2 Be7 8. Nbd2 O-O 9. c4 c6 10. e3 h6 11. Qe2 Ne4 12. Rfd1 a5 13. a3 Bg4 14. c5 Nd7 15. h3 Bh5 16. b4 f5 17. Qd3 Nxd2 18. Rxd2 axb4 19. axb4 Rxa1+ 20. Bxa1 Qa8 21. Qb1 Bf6 22. Ra2 Qb8 23. b5 Qc7 24. b6 Qb8 25. Ra7 g5 26. Nd2 Kg7 27. f4 Kh8 28. Kf2 gxf4 29. exf4 Re8 30. Nf3 Rg8 31. Qe1 Bf7 32. Qe3 Kh7 33. Ne5 Nxe5 34. dxe5 Be7 35. Bd4 Qc8 36. Bf1 Qd7 37. Bd3 Rb8 38. g4 Bg6 39. gxf5 Bh4+ 40. Kf1 exf5 41. e6 Qe7 42. Qe5 Re8 43. Bxf5 Rf8 44. Bxg6+ Kxg6 45. Qd6 Re8 46. Qe5 Rf8 47. Kg2 Kh7 48. f5 Rg8+ 49. Kh1 h5 50. f6 Bxf6 51. Qxf6 Qe8 52. Qf7+ 1-0
2023.06.20 Titled Tue 20th Jun Late
918842 Fodor, T jr (2495) Ortega, Mariano (2478) 1/2-1/2
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 b6 12. O-O Bb7 13. Rfe1 Nd7 14. Rad1 Rc8 15. Bb3 Nf6 16. d5 exd5 17. e5 Ne4 18. Qf4 Qe7 19. Bxd5 Bxd5 20. Rxd5 Nc5 21. h4 h6 22. Red1 Rfd8 23. Qd2 Rxd5 24. Qxd5 Ne6 25. Qe4 Rd8 26. Rxd8+ Qxd8 27. g4 Nc5 28. Qf5 Qd5 29. g5 Qe6 30. Qxe6 Nxe6 31. gxh6 gxh6 32. Kg2 Kg7 33. Kg3 Kg6 34. Nd2 Kf5 35. Nc4 h5 36. Nd6+ Kxe5 37. Nxf7+ Kf6 38. Nd6 Ke5 39. Nc8 Nd4 40. Nxa7 Nf5+ 41. Kh3 Kd4 42. a4 Kc4 43. Nc8 Kc5 44. f3 Kc6 45. Na7+ Kc5 46. f4 Kb4 47. Nc8 Kc5 48. Kh2 Nxh4 49. Ne7 Kd6 50. Kg3 Ng2 51. Nf5+ Ke6 52. Ng7+ Kf7 53. Nxh5 Ne3 54. Kf3 Nc4 55. Ke4 Nb2 56. f5 Nxa4 57. Nf4 Nc5+ 58. Ke5 Nd7+ 59. Kd6 Nf6 60. Ne6 Ne4+ 61. Ke5 Ng3 62. Ng5+ Kf8 63. f6 Nh5 64. Ne6+ Kf7 65. Nd8+ Ke8 66. f7+ Ke7 67. Kf5 Ng7+ 68. Kg6 Kf8 69. Kf6 b5 70. Nc6 Nh5+ 71. Kg6 Nf4+ 72. Kf5 Kxf7 73. Kxf4 b4 74. Nxb4 1/2-1/2
2023.06.20 Titled Tue 20th Jun Late
918935 Leitao, R (2592) Ortega, Mariano (2478) 1-0
1. c4 c6 2. g3 d5 3. Nf3 Bf5 4. Qb3 Qb6 5. cxd5 Qxb3 6. axb3 cxd5 7. Nc3 Nf6 8. Nb5 Na6 9. Rxa6 bxa6 10. Nc7+ Kd7 11. Nxa8 Kc8 12. Ne5 Be6 13. e3 Kb7 14. Bxa6+ Kxa6 15. Nc7+ Kb7 16. Nxe6 fxe6 17. d3 g6 18. Nf7 Rg8 19. Nd8+ Kc7 20. Nxe6+ Kd6 21. Nxf8 Rxf8 22. Bd2 Rc8 23. Bb4+ Kd7 24. Bc3 d4 25. exd4 Nd5 26. Kd2 e6 27. Ra1 Rc7 28. Ra6 Rb7 29. b4 h5 30. h4 Nc7 31. Ra5 Nd5 32. b5 Nc7 33. b6 axb6 34. Rg5 b5 35. Bb4 Nd5 36. Bc5 1-0
2023.06.20 Titled Tue 20th Jun Late
919184 Ortega, Mariano (2478) Fernandez Guillen, E (2467) 1-0
1. b3 Nf6 2. Bb2 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 c6 6. Nf3 d5 7. O-O Nbd7 8. d4 b6 9. Nbd2 Bb7 10. e3 Rc8 11. Qe2 c5 12. Rfd1 Qc7 13. Rac1 Qb8 14. cxd5 Nxd5 15. Nc4 Rfd8 16. dxc5 Nxc5 17. Bxg7 Kxg7 18. Nd4 Nf6 19. b4 Bxg2 20. Kxg2 Nce4 21. b5 Qb7 22. Nc6 Rxd1 23. Qxd1 a6 24. a4 axb5 25. axb5 h5 26. Qd4 Nc5 27. Rc2 Rc7 28. f3 Rd7 29. Qe5 Nd3 30. Qc3 h4 31. e4 h3+ 32. Kxh3 Kg8 33. N4e5 Nxe5 34. Qxe5 Ne8 35. Qb8 Qxb8 36. Nxb8 Rc7 37. Nc6 Kf8 38. e5 Rd7 39. f4 Nc7 40. Rb2 Rd5 41. Kg4 Rxb5 42. Ra2 Rc5 43. Nb4 1-0
2023.06.20 Titled Tue 20th Jun Late
919297 Lizak, P (2415) Ortega, Mariano (2478) 0-1
1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. Nxc4 c5 8. e3 cxd4 9. exd4 Bb4 10. Be2 O-O 11. O-O Nc6 12. Be3 Nd5 13. Nxd5 Qxd5 14. b3 Rfd8 15. a5 Bc3 16. Ra4 Nxd4 17. Bxd4 Bxd4 18. Bf3 Qb5 19. Nd6 Rxd6 20. Rxd4 Rxd4 21. Qxd4 Qxa5 22. Bxb7 Rd8 23. Qh4 h6 24. h3 Qb6 25. Bf3 Rd4 26. Qe7 Rd2 27. Qe8+ Kh7 28. Qxf7 Bd3 29. Kh2 Qd6+ 30. Kg1 Qd4 31. Rc1 Rxf2 32. Kh2 Qe5+ 33. Kg1 Qe3 0-1
2023.06.20 Titled Tue 20th Jun Late
919520 Ortega, Mariano (2478) Sattarov, B (2366) 0-1
1. b3 e5 2. Bb2 Nc6 3. e3 g6 4. Nf3 Bg7 5. d4 d6 6. dxe5 Nxe5 7. Nxe5 Bxe5 8. Bxe5 dxe5 9. Qxd8+ Kxd8 10. Nc3 c6 11. O-O-O+ Kc7 12. Ne4 f5 13. Nd6 Nf6 14. a4 Be6 15. Bc4 Bd5 16. Bxd5 cxd5 17. Nf7 Rhe8 18. f4 exf4 19. exf4 Re2 20. Rhe1 Rae8 21. Rxe2 Rxe2 22. Rd2 Re1+ 23. Kb2 Rh1 24. h3 Nh5 25. Rxd5 Nxf4 26. Rc5+ Kd7 27. g4 b6 28. Rb5 Ke7 29. Ne5 Kf6 30. Nc6 Nxh3 31. gxf5 g5 32. Nxa7 g4 33. Rxb6+ Kxf5 34. Rb5+ Kf4 35. Nc6 g3 36. Nd4 Re1 37. Rb7 g2 38. Rf7+ Kg4 39. Rg7+ Ng5 40. Nf3 Kxf3 41. Rxg5 g1=Q 42. Rxg1 Rxg1 43. a5 h5 44. b4 h4 45. a6 h3 46. a7 Rg8 47. b5 h2 48. b6 h1=Q 49. b7 Qh8+ 50. Kb1 Rb8 0-1
2023.06.20 Titled Tue 20th Jun Late
919629 Adewumi, Tanitoluwa (2283) Ortega, Mariano (2478) 1-0
1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Nc3 Bg4 6. Bd3 Bb4 7. O-O Nge7 8. h3 Bh5 9. a3 Bxc3 10. bxc3 Qd7 11. a4 O-O 12. Bxh7+ Kxh7 13. Ng5+ Kg6 14. g4 Bxg4 15. hxg4 Rh8 16. Re1 Raf8 17. Qd3+ f5 18. Ne6 Rf6 19. Nf4+ Kh7 20. g5 Rff8 21. Ba3 g6 22. Re6 Rf7 23. Rae1 Kg7 24. Qe3 Re8 25. Qh3 Rh8 26. Qe3 Re8 27. Bxe7 Rfxe7 28. Rxg6+ Kf7 29. Rf6+ Kg8 30. Ne6 Nd8 31. Rg6+ Kf7 32. Rg7# 1-0
2023.06.20 Titled Tue 20th Jun Late
919734 Ortega, Mariano (2478) Arnold, Ken 1-0
1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. d4 Bg4 6. Be3 e6 7. Be2 N8d7 8. O-O Be7 9. Nc3 O-O 10. h3 Bxf3 11. Bxf3 c6 12. Qe2 Bg5 13. Rfd1 Bxe3 14. Qxe3 Qe7 15. g3 Rfd8 16. Bg2 Nf6 17. Qe2 Rd7 18. Rd2 Rad8 19. Rad1 h6 20. e5 Nfd5 21. Ne4 Nc7 22. Nc5 Nbd5 23. Nxb7 Rb8 24. Na5 Rb6 25. Rc1 Qb4 26. Nxc6 Rxc6 27. Rxc6 Nb5 28. Rc8+ Kh7 29. Bxd5 Rxd5 30. Qe4+ g6 31. Qf4 Qe7 32. Qf6 Qxf6 33. exf6 Nxd4 34. Kg2 g5 35. Rc7 Kg6 36. Rxa7 Kxf6 37. a4 e5 38. Ra6+ Kg7 39. b4 f5 40. b5 f4 41. gxf4 exf4 42. f3 1-0
2023.06.20 Titled Tue 20th Jun Late
919849 Manukyan, SaA (2158) Ortega, Mariano (2478) 0-1
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Nc6 7. Qxb7 Bd7 8. Qb3 Rb8 9. Qd1 e5 10. dxe5 Nxe5 11. Be2 Bd6 12. Nf3 O-O 13. O-O Qe7 14. g3 Bh3 15. Re1 Rfd8 16. Nxe5 Bxe5 17. Bf1 Bxf1 18. Rxf1 Bxc3 19. b3 Bxa1 20. Bd2 Be5 21. h4 h5 22. Kg2 d4 23. e4 Nxe4 24. Ba5 Nc3 25. Qxh5 Rd5 26. Bxc3 dxc3 27. f4 Rd2+ 28. Kh3 Qd7+ 29. f5 Bf6 30. b4 Qd5 31. Rg1 c2 32. b5 Rd1 33. b6 axb6 34. a4 Rxg1 35. a5 Rh1+ 36. Kg4 Qd1+ 37. Kf4 Qxh5 38. g4 Qxg4+ 39. Kxg4 Rxh4+ 40. Kg3 bxa5 41. Kf3 Rb3+ 42. Kg2 Rd4 43. Kf1 Rd2 44. Ke1 c1=Q# 0-1
2023.06.20 Titled Tue 20th Jun Late
919978 Ortega, Mariano (2478) Haydon, D (2230) 0-1
1. Nf3 c6 2. b3 d5 3. Bb2 Bf5 4. g3 e6 5. Bg2 Nf6 6. O-O Bd6 7. d3 h6 8. Nbd2 Bh7 9. Re1 O-O 10. e4 dxe4 11. dxe4 Bc5 12. h3 Nh5 13. Kf1 Nd7 14. Nc4 Qe7 15. Nfd2 Qg5 16. h4 Qxg3 17. Ne3 Qxh4 18. Nf3 Qe7 19. a3 Bxe4 20. b4 Bb6 21. c4 Nf4 22. c5 Bc7 23. Bh1 Rfd8 24. Ng4 f5 25. Qd4 Ne5 26. Ngxe5 Rxd4 27. Bxd4 Bxe5 28. Bxe5 Nd3 29. Bc3 Nxe1 30. Rxe1 Rd8 31. Be5 Rd3 32. Re3 Rd1+ 33. Re1 Rxe1+ 34. Kxe1 Qf7 0-1
2023.06.20 Titled Tue 20th Jun Late
920089 Kujawski, A (2173) Ortega, Mariano (2478) 0-1
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. Bc4 e6 8. Qe2 Qc7 9. O-O-O Be7 10. Ne5 Nbd7 11. f3 Nxe5 12. dxe5 Nd7 13. g4 Bg6 14. h4 h5 15. Bd3 Bxd3 16. Qxd3 O-O-O 17. f4 Nxe5 18. Qe3 Nc4 19. Qxa7 Nxd2 20. Rxd2 Rxd2 21. Qa8+ Qb8 22. Qxb8+ Kxb8 23. Kxd2 hxg4 24. h5 f5 25. Ne2 Bc5 26. Ke1 Kc7 27. c3 Be3 28. a3 Kd6 29. Kf1 Kd5 30. Kg2 Ke4 31. Re1 c5 32. b4 b6 33. a4 Rd8 34. a5 bxa5 35. bxa5 Rd2 36. a6 Ra2 37. Kf1 Kf3 0-1
2023.04.04 Titled Tue 4th Apr Late
994215 Duda, J (2724) Ortega, Mariano (2472) 1-0
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. Nxc4 O-O 9. Kf2 a5 10. e4 Bg6 11. Be3 Nbd7 12. g4 c5 13. d5 exd5 14. Nxd5 Nxd5 15. Qxd5 Qc7 16. h4 Rad8 17. h5 Nf6 18. Qe5 Qxe5 19. Nxe5 Bxe4 20. g5 Nd5 21. fxe4 Nxe3 22. Kxe3 Bd2+ 23. Kf3 Bxg5 24. Bc4 Rd2 25. Rad1 Rxb2 26. Rd7 Rb6 27. Kg4 h6 28. Bxf7+ Kh7 29. Rf1 Rf6 30. Rxf6 Bxf6 31. Ng6 Rb8 32. e5 Bg5 33. Bc4 Re8 34. e6 b6 35. e7 1-0
2023.04.04 Titled Tue 4th Apr Late
994387 Ortega, Mariano (2472) Novikova, Galina (2073) 1-0
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qc7 7. a3 f6 8. Qe2 O-O-O 9. h4 h6 10. Bf4 f5 11. h5 Kb8 12. dxc5 Bxc5 13. b4 Bb6 14. Nbd2 Nge7 15. Nh4 Be8 16. a4 a5 17. b5 Na7 18. c4 Ka8 19. Rc1 Bd4 20. Nb3 Bxh5 21. Qxh5 Bxe5 22. Bxe5 Qxe5+ 23. Qe2 Qf6 24. Nf3 g5 25. Ne5 Ng6 26. Nxg6 Qxg6 27. Nxa5 e5 28. cxd5 Rxd5 29. Bc4 Rdd8 30. O-O e4 31. Rfd1 h5 32. Bd5 Rd7 33. Nxb7 Rxb7 34. Rc7 Rb8 35. Rxb7 Rxb7 36. Qc4 Kb8 37. Bxb7 Kxb7 38. Rd7+ Ka8 39. Qd5+ 1-0
2023.04.04 Titled Tue 4th Apr Late
994566 Smith, Ga (2047) Ortega, Mariano (2472) 0-1
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Bd6 7. Nge2 Nge7 8. Nb5 Bf5 9. Nxd6+ Qxd6 10. Bf4 Qd7 11. Bb5 a6 12. Ba4 b5 13. Bb3 Na5 14. O-O O-O 15. Ng3 Bg6 16. Ba2 Nc4 17. Qc1 Rfe8 18. b3 Nd6 19. h4 h6 20. h5 Bh7 21. c4 dxc4 22. bxc4 Nxc4 23. Bxc4 bxc4 24. Qxc4 Nd5 25. Bd2 Qb5 26. Rfc1 Rab8 27. a4 Qxc4 28. Rxc4 Re6 29. Rc5 Rd8 30. a5 Bd3 31. Rac1 f6 32. f3 Kf7 33. Kf2 Rd7 34. Rc6 Rxc6 35. Rxc6 Bb5 36. Rc5 Ne7 37. Bc3 Nc6 38. Ke3 Ne7 39. Ne4 Nd5+ 40. Kd2 Nf4 41. g3 Ne6 42. Rxb5 axb5 43. Ke3 c6 44. f4 Nc7 45. Nc5 Nd5+ 46. Kd3 Ra7 47. a6 Nc7 48. Ba5 Nxa6 0-1
2023.04.04 Titled Tue 4th Apr Late
994816 Ortega, Mariano (2472) Timmermans, M (2390) 0-1
1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Nc3 Bb4 7. Qd3 Bxc3+ 8. bxc3 d6 9. O-O O-O 10. Bxc6 bxc6 11. Qc4+ Kh8 12. Qxc6 Rb8 13. Nd2 Rb6 14. Qa4 Ba6 15. Re1 Ng4 16. Nf3 h6 17. Be3 Bb5 18. Qxa7 Ra6 19. Qb7 c6 20. a4 Nxe3 21. axb5 Rb6 22. Qa7 Nxc2 23. bxc6 Nxe1 24. Nxe1 Rxc6 25. Nd3 Rxc3 26. Nb4 Qh4 27. Rf1 Qxe4 28. Qe7 Rb8 29. Na6 Qb7 30. Qxd6 Ra8 31. Nc5 Qb5 32. Ne4 Rc2 33. g3 Qe2 34. Qd5 Rf8 35. Qd6 Kg8 36. Qe6+ Kh8 37. Qxe5 Rc4 38. f3 Qe3+ 39. Kg2 Rc2+ 40. Kh3 Qe2 41. Rf2 Qc4 42. Rxc2 Qxc2 43. Qe7 Qc8+ 44. Kg2 Qf5 45. Nd2 Rf7 46. Qe8+ Kh7 47. Qe4 g6 48. Qxf5 gxf5 49. h4 Re7 50. Nc4 Kg6 51. g4 fxg4 52. fxg4 Re4 0-1
2023.04.04 Titled Tue 4th Apr Late
994904 Weisz, Bryan (1973) Ortega, Mariano (2472) 0-1
1. e4 e6 2. Nc3 d5 3. d4 Bb4 4. Ne2 dxe4 5. a3 Be7 6. Nxe4 Nd7 7. N2g3 Ngf6 8. Bd3 b6 9. Qf3 Rb8 10. Nh5 Nxh5 11. Qxh5 Nf6 12. Nxf6+ Bxf6 13. c3 c5 14. Bb5+ Bd7 15. Bxd7+ Qxd7 16. dxc5 g6 17. Qf3 Be5 18. cxb6 Rxb6 19. O-O O-O 20. b4 Qc7 21. g3 Qxc3 22. Qxc3 Bxc3 23. Be3 Bxa1 24. Bxb6 axb6 25. Rxa1 b5 26. Rc1 Ra8 27. Rc3 Kf8 28. Kg2 Ke7 29. Kf3 Kd6 30. Ke4 f5+ 31. Ke3 e5 32. f3 g5 33. Rd3+ Ke6 34. Rc3 Ra6 35. Rd3 Rc6 36. h3 f4+ 37. gxf4 gxf4+ 38. Ke2 Rc2+ 39. Rd2 Rxd2+ 40. Kxd2 Kd5 41. Kc3 e4 42. fxe4+ Kxe4 43. Kd2 Kd4 44. h4 Kc4 45. Ke2 Kb3 46. Kf3 Kxa3 47. Kxf4 Kxb4 48. Kg5 Kc5 49. Kh6 b4 50. Kxh7 b3 51. Kg7 b2 52. h5 b1=Q 53. h6 Qg1+ 54. Kh8 Qd4+ 55. Kg8 Qg4+ 56. Kh8 Qc8+ 57. Kg7 Qd7+ 58. Kg8 Qe8+ 59. Kg7 Qe7+ 60. Kg8 Qg5+ 61. Kh7 Kd6 0-1
2023.04.04 Titled Tue 4th Apr Late
995035 Pakleza, Z (2494) Ortega, Mariano (2472) 0-1
1. a3 c5 2. c3 d6 3. d4 b6 4. e4 Bb7 5. Bd3 Nd7 6. Nf3 e6 7. O-O Ngf6 8. Qe2 Be7 9. e5 Bxf3 10. Qxf3 dxe5 11. dxe5 Nxe5 12. Bb5+ Kf8 13. Qe2 Qc7 14. Nd2 g6 15. Nc4 Neg4 16. g3 Kg7 17. Bf4 e5 18. Nxe5 Nxe5 19. Qxe5 Qxe5 20. Bxe5 Rad8 21. Rfe1 Bd6 22. Bxd6 Rxd6 23. Re7 a5 24. Rb7 Rhd8 25. Kg2 Rd2 26. Bc4 Ne4 27. Rxf7+ Kh6 28. Rf4 Nd6 29. Rh4+ Kg7 30. b4 Rf8 31. Rf1 Nf5 32. Re4 Nd6 33. Re7+ Kh6 34. Ba6 axb4 35. axb4 c4 36. Re6 b5 37. Rxd6 Rxd6 38. Bxb5 Rc8 39. Rc1 Rb6 40. Bd7 Rd8 41. Bg4 Rd2 42. Bf3 Kg5 43. h4+ Kf5 0-1
2023.04.04 Titled Tue 4th Apr Late
995134 Ortega, Mariano (2472) Castellanos Rodriguez, R (2478) 0-1
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Ne2 Qc7 9. O-O O-O 10. h3 Be7 11. Be3 Ne5 12. Rc1 d6 13. f4 Nxd3 14. Qxd3 Bd7 15. f5 Rac8 16. b3 Qb8 17. Bg5 b5 18. cxb5 axb5 19. e5 dxe5 20. Bxf6 Qa7+ 21. Kh1 Bxf6 22. Ne4 Rxc1 23. Nxc1 exf5 24. Nxf6+ gxf6 25. Qg3+ Kh8 26. Qh4 Qb6 27. Nd3 f4 28. g3 Qe6 29. gxf4 Qxh3+ 30. Qxh3 Bxh3 31. Rf3 Bf5 32. fxe5 Be4 0-1
2023.04.04 Titled Tue 4th Apr Late
995297 Ortega, Mariano (2472) Bolourchifard, F (2292) 0-1
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Bd6 12. h3 Rb8 13. b3 Be5 14. Bd2 h6 15. Rae1 Bd6 16. Bf4 Be6 17. Na4 c5 18. Rd1 Re8 19. Rfe1 Qc7 20. Bxd6 Qxd6 21. c4 d4 22. Qg3 Qxg3 23. fxg3 Rbc8 24. g4 Bd7 25. Nb2 Bc6 26. Bf5 Rcd8 27. Kf2 Be4 28. Nd3 Bxd3 29. Bxd3 a5 30. Rxe8+ Rxe8 31. Re1 Rxe1 32. Kxe1 Kf8 33. Kd2 Ke7 34. a3 Kd6 35. Bf5 g6 36. Bd3 Ke5 37. g3 Ne4+ 38. Bxe4 Kxe4 39. Ke2 f6 40. h4 h5 41. gxh5 gxh5 42. Kd2 f5 43. Ke2 d3+ 44. Kd2 Kd4 45. a4 Ke4 46. Ke1 Ke3 47. Kd1 Ke4 48. Kd2 Kd4 49. Ke1 Kc3 50. Kd1 Kxb3 51. Kd2 Kxc4 52. Ke3 Kc3 53. Kf4 d2 54. Kxf5 d1=Q 55. Kg5 Qg4+ 0-1
2023.03.31 African Zonal 4.2 Open
997636 Ortega, Mariano (2472) James, Tondo (1867) 1-0
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Bg4 6. Be2 Nc6 7. d5 Nb8 8. O-O Nbd7 9. Be3 b6 10. Nd4 Bxe2 11. Qxe2 O-O 12. Nc6 Qe8 13. Nb5 Rc8 14. Nbxa7 Ra8 15. Nb5 Rc8 16. Nca7 Nxe4 17. Nxc8 Qxc8 18. Bd4 Nef6 19. Rfe1 c5 20. dxc6 Qxc6 21. Qxe7 Qxc4 22. Qe2 Qd5 23. Bxf6 Nxf6 24. Red1 Qg5 25. Nxd6 Nh5 26. Ne4 Qe5 27. Ng3 Qxe2 28. Nxe2 Bxb2 29. Rab1 Ba3 30. Rxb6 Re8 31. Kf1 Kg7 32. Rd3 Bc5 33. Rb5 Bf8 34. a4 Re4 35. Rd4 Re7 36. a5 Ra7 37. Ra4 Bd6 38. a6 Nf6 39. Nd4 Ne8 40. Nc6 Ra8 41. a7 Nc7 42. Rb8 Kf6 43. Rxa8 Nxa8 44. Re4 h5 45. Re8 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
997623 Kolliemelen, Daniel (1805) Ortega, Mariano (2472) 0-1
1. d4 Nf6 2. e3 d5 3. f4 Bf5 4. Nf3 e6 5. Bd3 Bd6 6. O-O c5 7. c3 O-O 8. Qe2 Nc6 9. Nbd2 Bxd3 10. Qxd3 cxd4 11. cxd4 Rc8 12. a3 Na5 13. Ne5 Qc7 14. b4 Nc4 15. Nexc4 dxc4 16. Qc2 b5 17. g3 a5 18. Rb1 axb4 19. axb4 Nd5 20. Ne4 Nxb4 21. Qg2 Be7 22. Ba3 Nd5 23. Bxe7 Qxe7 24. Rfe1 b4 25. Nc5 Rxc5 26. dxc5 Qxc5 27. Qf2 f5 28. e4 Qxf2+ 29. Kxf2 fxe4 30. Rxe4 Nc3 31. Rxc4 Nxb1 32. Rxb4 Nc3 33. Rb7 e5 34. Rc7 Nd5 35. Rc5 Nf6 36. h3 Ne4+ 37. Ke3 Nxc5 38. fxe5 Re8 0-1
2023.03.29 African Zonal 4.2 Open
997596 Nean, Franck Anderson (1851) Ortega, Mariano (2472) 0-1
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 b6 5. cxd5 exd5 6. Qc2 a6 7. Bd3 Bd6 8. Nc3 Bb7 9. O-O O-O 10. a3 Qe7 11. b4 Ne4 12. Bb2 Nd7 13. Ne2 f5 14. Ng3 g5 15. Rae1 g4 16. Nd2 Qh4 17. Bxe4 fxe4 18. Re2 Rf6 19. f4 Raf8 20. Qb3 R8f7 21. Kf2 b5 22. Rh1 Nb6 23. Ke1 Bc8 24. Nf1 Nc4 25. Bc1 Bd7 26. Kd1 c6 27. Ra2 a5 28. bxa5 Nxa5 29. Qc3 Nc4 30. Nd2 Nb6 31. Nb3 Na4 32. Qc2 Rh6 33. Nc5 Bxc5 34. dxc5 Qe7 35. Bd2 Qxc5 36. Qxc5 Nxc5 37. Ke2 Nd3 38. Raa1 c5 39. Nf1 Ra6 40. Ng3 Rh6 41. Kf1 Kf8 42. Ne2 Ra6 43. Bc3 Bc8 44. g3 Rfa7 45. Kg2 Rxa3 46. Rxa3 Rxa3 47. Ra1 Rxa1 48. Bxa1 b4 49. Bh8 Ke7 50. Ng1 Ke6 51. h3 h5 52. hxg4 hxg4 53. Ne2 Kf5 54. Bg7 Ba6 55. Bh8 Ne1+ 56. Kf2 Nc2 57. Bg7 Bxe2 58. Kxe2 d4 59. exd4 Nxd4+ 60. Ke3 b3 0-1
2023.03.27 African Zonal 4.2 Open
997583 Ortega, Mariano (2472) Abdulraheem, Abdulrahman Akintoye (2302) 1-0
1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 exd4 8. cxd4 Nf6 9. Ne2 Ne4 10. Nf4 Qa5+ 11. Bd2 Nxd2 12. Qxd2 O-O 13. Qxa5 Nxa5 14. Rc1 c6 15. Bd3 Rd8 16. O-O Rd6 17. h4 Bd7 18. Rc3 Rd8 19. f3 g6 20. g4 Kg7 21. Kf2 Be8 22. g5 h6 23. Rg1 b6 24. Be4 Bd7 25. Nd3 hxg5 26. hxg5 Rh8 27. Ne5 Rh2+ 28. Rg2 Rxg2+ 29. Kxg2 Be8 30. Ng4 Rd8 31. Nf6 Kf8 32. f4 Ke7 33. f5 gxf5 34. Bxf5 Kd6 35. Kg3 Nb7 36. e4 Na5 37. Kf4 Ke7 38. d5 cxd5 39. Nxd5+ Kd6 40. e5+ Kxd5 41. Rd3+ Kc5 42. Rxd8 Ba4 43. e6 fxe6 44. Bxe6 Nc6 45. Rd5+ Kc4 46. Ra5+ 1-0
2023.03.27 African Zonal 4.2 Open
1003133 Thomas, Saah (1916) Ortega, Mariano (2472) 0-1
1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. c4 e6 7. Qe2 Bd6 8. dxe6 fxe6 9. d3 O-O 10. Nf3 Nc6 11. O-O e5 12. fxe5 Rae8 13. Bf4 Ng4 14. Qd2 Bxe5 15. Nxe5 Qd4+ 16. Kh1 Ncxe5 17. Nc3 Nxd3 18. g3 Rxf4 19. Rxf4 Ndf2+ 20. Qxf2 Nxf2+ 21. Kg2 Ne4 22. Re1 Qxc4 23. Nxe4 Qd5 24. h4 Rf8 25. a3 Rxf4 26. gxf4 h6 27. Re2 b5 28. Kf3 Qh5+ 29. Ke3 Qxh4 30. Nxc5 Qg3+ 31. Ke4 h5 32. Ne6 Qg4 33. Nd4 g5 34. Rf2 h4 35. Nf5 Kh7 36. Ke5 h3 37. fxg5 Qxg5 38. Rc2 Qd8 39. Rc3 Qe8+ 40. Kf4 Qb8+ 41. Kg4 h2 42. Rh3+ Kg8 43. Rh5 Qc7 44. Ng3 Qc2 45. b4 Qd1+ 46. Kg5 Qf3 47. Kh4 h1=Q+ 48. Nxh1 Qxh1+ 49. Kg4 Qxh5+ 50. Kxh5 Kf7 51. Kg5 Ke6 52. Kf4 Kd5 53. Ke3 Kc4 54. a4 a6 55. axb5 axb5 56. Kd2 Kxb4 57. Kc2 Ka3 58. Kb1 b4 59. Ka1 b3 0-1
2023.03.26 African Zonal 4.2 Open
1003105 Joel O. Ebiekuta (1855) Ortega, Mariano (2472) 0-1
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. a3 Nf6 7. Be3 b5 8. g3 b4 9. axb4 Bxb4 10. Qd3 Nxe4 11. Ne2 Bb7 12. Rg1 O-O 13. Ra4 Bxc3+ 14. bxc3 d5 15. f3 Nc5 16. Bxc5 Qxc5 17. Qd4 Qc7 18. f4 Nd7 19. h4 Nc5 20. Ra1 f6 21. Bh3 e5 22. Qb4 a5 23. Qa3 exf4 24. Nxf4 Rfe8+ 25. Kf2 Ne4+ 26. Kg2 Qxc3 27. Qxc3 Nxc3 28. Ne6 Re7 29. Nc5 d4+ 30. Nxb7 Rxb7 31. Rge1 a4 32. Kf2 Rd8 33. Bf5 g6 34. Bd3 f5 35. Re6 Kg7 36. Kf3 Rdd7 37. Kf4 Re7 38. Rd6 Rbd7 39. Rxd7 Rxd7 40. Ke5 Rd5+ 41. Ke6 Ra5 42. Ra3 Ne4 43. Bc4 h6 44. Bd5 Nc3 45. Bc4 g5 46. hxg5 hxg5 47. Bd3 Ne4 48. Bc4 g4 49. Bf1 Kg6 50. Bc4 Kg5 51. Bf1 Nxg3 0-1
2023.03.26 African Zonal 4.2 Open
1003119 Ortega, Mariano (2472) Manan, Yoboue Hermann (2015) 1-0
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. dxc5 Bxc5 7. Bg2 Bb7 8. O-O O-O 9. Nc3 h6 10. Rd1 Ng4 11. Rf1 Qc8 12. Bf4 Nc6 13. h3 Nf6 14. Rad1 Re8 15. Be5 Be7 16. Rc1 Nxe5 17. Nxe5 Bxg2 18. Kxg2 Qc7 19. Nf3 Qb7 20. Rfd1 Red8 21. Qb3 Rac8 22. Rc2 Rc5 23. Na4 Rc7 24. Nc3 Rdc8 25. Nb5 Rc5 26. Rdc1 a6 27. Nd4 Ne4 28. Qd3 Bg5 29. Rd1 d5 30. cxd5 Qxd5 31. Rxc5 Nxc5 32. Qb1 Rd8 33. b4 Na4 34. Rd3 Qb7 35. Nb3 Rc8 36. a3 Bf6 37. Rd6 Nc3 38. Qe1 e5 39. Kh2 Nb5 40. Rd2 Nxa3 41. Qd1 Nb5 42. Qb1 g6 43. Ne1 Nc3 44. Qd3 e4 45. Qd7 Rc7 46. Qg4 Kg7 47. e3 Nb5 48. Ng2 h5 49. Qd1 Be5 50. Nd4 Nd6 51. Ne2 Nc4 52. Rd8 Bf6 53. Rd5 Nb2 54. Qb3 b5 55. Ngf4 Nc4 56. Qd1 Ne5 57. Kg2 Rc4 58. Rd6 Be7 59. Rd5 Nc6 60. Rd7 Qc8 61. Qd5 Qe8 62. Nd4 Nxd4 63. Qe5+ Kh7 64. Rxe7 Nc6 65. Rxe8 Nxe5 66. Rxe5 Rxb4 67. Nd5 Rc4 68. Rxe4 Rxe4 69. Nf6+ Kg7 70. Nxe4 a5 71. Kf3 a4 72. Nc3 a3 73. Na2 Kf6 74. Ke4 g5 75. g4 hxg4 76. hxg4 Ke6 77. f4 gxf4 78. exf4 f6 79. Nb4 Kd6 80. Kd4 Ke6 1-0
2023.03.25 African Zonal 4.2 Open
1003091 Ortega, Mariano (2472) David Leroy Debblay (1823) 1-0
1. c4 g6 2. d4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Be2 a6 6. Be3 Nc6 7. Nf3 Bg4 8. d5 Bxf3 9. Bxf3 Ne5 10. Be2 c6 11. f4 Ned7 12. dxc6 bxc6 13. O-O O-O 14. Qc2 Qc7 15. Rad1 e6 16. Rd2 d5 17. e5 Ne8 18. Na4 Qd8 19. cxd5 cxd5 20. Rc1 f6 21. Qc6 Kh8 22. Nb6 Nxb6 23. Bxb6 Qb8 24. Bc5 Rg8 25. Qxe6 fxe5 26. fxe5 Qxe5 27. Qxe5 Bxe5 28. Bd4 Bxd4+ 29. Rxd4 Nf6 30. Rc6 Rgf8 31. Bxa6 Rae8 32. Rd1 Ng4 33. a4 Rf2 34. Rc8 Rxc8 35. Bxc8 Rxg2+ 36. Kxg2 Ne3+ 37. Kf3 Nxd1 38. b4 Nc3 39. a5 d4 40. a6 d3 41. Ke3 Nd5+ 42. Kd2 1-0
2023.02.14 Titled Tue 14th Feb Early
1035569 Saypuri, Srithan (2175) Ortega, Mariano (2472) 0-1
1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nf6 6. Bc4 Qd7 7. Nb3 cxd4 8. Nbxd4 a6 9. O-O b5 10. Bd3 Bb7 11. c3 Nc6 12. Nxc6 Qxc6 13. Qe2 Bc5 14. Be3 Bxe3 15. Qxe3 O-O 16. Rfd1 Rfd8 17. Bf1 Nd5 18. Qe4 Qc7 19. Qe5 Rd6 20. Rd4 Rad8 21. Rad1 f6 22. Qg3 e5 23. R4d2 Nf4 24. Rxd6 Rxd6 25. Rxd6 Qxd6 26. Nh4 Qd1 27. Qe3 g5 28. Nf3 Kf7 29. Qb6 Ne2+ 0-1
2023.02.14 Titled Tue 14th Feb Early
1035972 Ortega, Mariano (2472) Zia, Tahsin Tajwar (2307) 1/2-1/2
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. Qd3 Nc6 9. Nc2 Ne5 10. Qg3 Bd6 11. f4 Ng6 12. e5 Nxe5 13. fxe5 Bxe5 14. Qf3 Rb8 15. Bd2 b5 16. cxb5 Bb7 17. Qh3 Ne4 18. Nxe4 Qxc2 19. Bd3 Qxb2 20. Rb1 Qxa2 21. Qh5 Qd5 22. Qe2 a5 23. O-O O-O 24. Ng5 Bd4+ 25. Kh1 f5 26. Nf3 Bf6 27. Bf4 d6 28. Bc4 Qe4 29. Bxe6+ Kh8 30. Qxe4 fxe4 31. Ng5 Bxg5 32. Bxg5 Rfe8 33. Bf7 Re5 34. Be3 Bd5 35. Bxd5 Rxd5 36. b6 Rd3 37. b7 Rxe3 38. Rf8+ Rxf8 39. b8=Q Re1+ 40. Rxe1 Rxb8 41. h3 d5 42. Ra1 Ra8 43. Kh2 d4 44. Kg3 d3 45. Kf4 Re8 46. Ke3 Re5 47. Kd4 Re8 48. Ke3 h6 49. Rxa5 Kh7 50. Ra6 Re7 51. Rd6 g5 52. g3 Kg7 53. h4 gxh4 54. gxh4 h5 55. Rd5 Kg6 56. Rg5+ Kf6 57. Rxh5 Re5 58. Rh6+ Kf5 59. Rd6 Re8 60. h5 Kg5 61. h6 Re7 62. h7 Rxh7 63. Kxe4 Rh4+ 64. Ke3 Rh3+ 65. Kd2 Kf5 66. Rxd3 Rh2+ 67. Kc3 Ke4 68. Rd4+ Ke5 69. Rd8 Rh7 70. Kc4 Rc7+ 71. Kb5 Ke6 72. Rd1 Rb7+ 73. Kc6 Rb2 74. Kc5 Rc2+ 75. Kd4 Rc8 76. Ke4 Kf6 77. Rf1+ Ke6 78. Rd1 Rc4+ 79. Kd3 Rc6 80. Ke3 Rc5 81. Ra1 Rc3+ 82. Kd4 Rc6 83. Ke4 Rc4+ 84. Kd3 Rc6 1/2-1/2
2023.02.07 Titled Tue 7th Feb Early
1042814 Osmonbekov, T (2137) Ortega, Mariano (2472) 0-1
1. d4 c5 2. c3 g6 3. Nf3 Bg7 4. Bf4 Nf6 5. Nbd2 b6 6. h3 Bb7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. a4 a6 11. Qb3 Rc8 12. Qa2 Rc7 13. Qb3 Qa8 14. Rfe1 Ne4 15. Nxe4 Bxe4 16. Bh2 Rcc8 17. Red1 c4 18. Bxc4 Bxf3 19. gxf3 Qxf3 20. Bf1 Qb7 21. Bg2 Qc7 22. e4 e5 23. Bf1 a5 24. Bb5 Nf6 25. Qc2 Nh5 26. Qe2 Bh6 27. dxe5 dxe5 28. Rd7 Qc5 29. Rd5 Qe7 30. Rxe5 Qf6 31. Rd5 Bf4 0-1
2023.02.07 Titled Tue 7th Feb Early
1043118 Ortega, Mariano (2472) Matveeva, O (2111) 1-0
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. Be2 Nge7 9. Na3 Nf5 10. Nc2 Be7 11. O-O O-O 12. Rb1 f6 13. Bd3 fxe5 14. dxe5 Rac8 15. b4 Be8 16. b5 Na5 17. Nfd4 Bg6 18. Nxf5 Bxf5 19. Be3 Qd8 20. Nd4 Bxd3 21. Qxd3 Qd7 22. f4 Nc4 23. f5 Nxe3 24. fxe6 Qc7 25. Qxe3 Bc5 26. Kh1 Qb6 27. Rxf8+ Rxf8 28. e7 Bxe7 29. Qd3 Bc5 30. Nf3 Rd8 31. h3 h6 32. Qf5 d4 33. e6 Qd6 34. Rd1 b6 35. Qf7+ Kh8 36. Nh4 d3 37. e7 Rg8 38. e8=Q 1-0
2023.02.07 Titled Tue 7th Feb Early
1043275 Ortega, Mariano (2472) Micic, Aleksa (2273) 1-0
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nc6 8. a4 Be7 9. Bc4 O-O 10. O-O Bg4 11. Qe1 Rc8 12. fxe5 dxe5 13. Be3 Bxf3 14. gxf3 Nd4 15. Bd3 b5 16. axb5 axb5 17. Qf2 b4 18. Bxd4 bxc3 19. Bb6 Qxb6 20. Qxb6 Bc5+ 21. Qxc5 Rxc5 22. b4 Rc7 23. Ra5 Rb8 24. Rb1 Rcb7 25. Rc5 h6 26. b5 Nh5 27. Rxc3 Nf4 28. Bf1 Ne6 29. Ra3 Nd4 30. c4 Rc8 31. Kf2 f5 32. exf5 Nxf5 33. Re1 Nd6 34. Ra4 Rc5 35. Rd1 Rb6 36. Ra6 Nxc4 37. Bxc4+ Rxc4 38. Rxb6 1-0
2023.02.07 Titled Tue 7th Feb Early
1043597 Forgacs, Attila Jr. (2219) Ortega, Mariano (2472) 1/2-1/2
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Nf3 b6 10. c4 dxc4 11. dxc5 bxc5 12. Bxc4 Ba6 13. Bxa6 Qxg4 14. Bb7 Nc6 15. Bxa8 Nge7 16. O-O h6 17. Rab1 Kg8 18. Bxc6 Nxc6 19. Rb7 Qf5 20. Rfb1 Kh7 21. Rc7 Nd4 22. Nxd4 cxd4 23. Rbb7 Rf8 24. Rxa7 Qxe5 25. Bb4 d3 26. h3 d2 27. Bxd2 Rd8 28. Rd7 Rxd7 29. Rxd7 Qa1+ 30. Kh2 Qxa3 31. Rxf7 Kg6 32. Rf3 Qd6+ 33. Bf4 Qc5 34. c3 e5 35. Be3 Qd6 36. Rg3+ Kf7 37. Rf3+ Ke6 38. Rg3 g5 39. h4 e4 40. hxg5 hxg5 41. Bxg5 Qd1 42. Be3 Qh5+ 43. Rh3 Qd1 44. Bd4 Kd5 45. Rg3 Kc4 46. Rh3 Qe2 47. Rg3 Qf1 48. Rh3 Kb3 49. Rg3 Kc2 50. Rh3 Kd2 51. Rg3 Qc4 52. Rh3 Qc7+ 53. Rg3 Ke2 54. Kg1 Qb7 55. Re3+ Kd2 56. Rg3 Qb1+ 57. Kh2 Qb8 58. Kg1 Qb1+ 59. Kh2 Ke2 60. Re3+ Kf1 61. Rg3 Qb8 62. Kh3 Qh8+ 63. Kg4 Qh7 64. Kf4 Qe7 65. Rg5 Qf7+ 66. Ke5 Qc4 67. Rg7 e3 68. fxe3 Ke2 69. Kf4 Kd3 70. g4 Qe6 71. g5 Qe4+ 72. Kg3 Ke2 73. Rf7 Qg6 74. Rf4 Qxg5+ 75. Rg4 Qe7 76. Rf4 Qd6 77. Kg4 Qc6 78. Kf5 Qg2 79. c4 Qh3+ 80. Ke5 Qd7 81. c5 Qc6 82. Rf6 Qc7+ 83. Kd5 Kd3 84. c6 Qd8+ 85. Rd6 Qg8+ 86. Kc5 Qc4+ 87. Kb6 Qb3+ 88. Kc7 Kc4 89. Kd7 Qb5 90. Kd8 Qg5+ 91. Kd7 Qf5+ 92. Kd8 Qg5+ 93. Kd7 Qf5+ 94. Kd8 Qg5+ 1/2-1/2
2023.02.07 Titled Tue 7th Feb Early
1043617 Ortega, Mariano (2472) Khokhlova, Daria (2111) 1-0
1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. f3 e5 7. Nb3 Be7 8. Be3 O-O 9. Qd2 Be6 10. O-O-O h5 11. Nd5 Nxd5 12. exd5 Bf5 13. Kb1 Nd7 14. Bd3 Bxd3 15. Qxd3 b5 16. g4 h4 17. Nd2 Nc5 18. Bxc5 dxc5 19. Ne4 c4 20. Qe2 Bd6 21. g5 Qd7 22. Rhg1 a5 23. Nf6+ gxf6 24. gxf6+ Kh8 25. Qe4 Qh3 26. Rg7 1-0
2023.02.07 Titled Tue 7th Feb Early
1043881 Vlassov, N (2283) Ortega, Mariano (2472) 1-0
1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bd6 6. Nc3 O-O 7. exd5 cxd5 8. Bxd5 Nxd5 9. Nxd5 Bg4 10. Ne3 Bh5 11. Nf5 Bc7 12. Ng3 Bg6 13. O-O Nc6 14. Re1 h6 15. Bd2 f5 16. Bc3 Re8 17. Qd2 b5 18. a3 a5 19. b3 Rc8 20. Re2 e4 21. dxe4 fxe4 22. Nd4 Nxd4 23. Qxd4 Qxd4 24. Bxd4 h5 25. Nf1 Bf4 26. Be3 Be5 27. Rd1 h4 28. Rd5 b4 29. Rxa5 bxa3 30. Rxa3 Bc3 31. g4 Red8 32. Kg2 Rd1 33. h3 Bf7 34. Bd2 Bb2 35. Ra2 Rxc2 36. Ne3 Rdxd2 37. Nxc2 Rxe2 38. Rxb2 e3 39. Kf3 Rxf2+ 40. Kxe3 Rh2 41. Kf4 Rxh3 42. Nd4 Rd3 43. Nf3 h3 44. b4 Bd5 45. Ne5 g5+ 46. Kxg5 Rb3 47. Rd2 1-0
2023.02.07 Titled Tue 7th Feb Early
1044038 Ortega, Mariano (2472) Abdilkhair, Abilmansur (2268) 1-0
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 dxe5 9. Qxd8+ Bxd8 10. a4 Bb7 11. axb5 axb5 12. Rxa8 Bxa8 13. Nc3 O-O 14. Nxb5 Nxe4 15. Re1 Nc5 16. Bd5 Re8 17. Be3 Ne6 18. Nxe5 Nxe5 19. Bxa8 c6 20. Nd6 Rf8 21. Bb7 Bc7 22. Nf5 Rb8 23. Ba6 Rxb2 24. c3 g6 25. Nd4 Nc5 26. Bf1 Ng4 27. h3 Bh2+ 28. Kh1 Nxe3 29. Rxe3 Bf4 30. Re8+ Kg7 31. g3 Rxf2 32. Bg2 Bxg3 33. Nxc6 Rc2 34. Bd5 Rxc3 35. Re7 Ne6 36. Bxe6 Rxc6 37. Rxf7+ Kh6 38. Bd5 Rc2 39. Rd7 Rd2 40. Bc6 Rh2+ 41. Kg1 Rxh3 42. Kg2 Rh2+ 43. Kxg3 Rc2 44. Bf3 Rc3 45. Kg4 Rc4+ 46. Kg3 Rc3 47. Kf4 Ra3 48. Be4 Ra4 49. Ke5 Ra5+ 50. Bd5 Ra1 51. Be4 Re1 52. Ra7 Re2 53. Ra1 Kg7 54. Rh1 h6 55. Rg1 g5 56. Ra1 h5 57. Ra7+ Kg8 58. Kf5 g4 59. Bd5+ Kh8 60. Kg6 Re8 61. Rh7# 1-0
2023.02.07 Titled Tue 7th Feb Early
1044178 Skliarov, V (2384) Ortega, Mariano (2472) 1-0
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. O-O Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Kh1 Ne7 12. f4 g6 13. Qf3 Nf5 14. Rd1 Qb6 15. g4 Nh4 16. Qg3 Be7 17. Be3 d4 18. Bf2 Bc6+ 19. Ne4 h5 20. g5 Nf5 21. Qf3 O-O 22. b3 Bd5 23. Kg1 Rac8 24. Rac1 Rc7 25. Rxc7 Qxc7 26. Qe2 Rc8 27. Nf6+ Bxf6 28. gxf6 Ne3 29. Bxe3 dxe3 30. Qxe3 Qc5 31. Qxc5 Rxc5 32. h4 b5 33. Kf2 Kf8 34. Ke3 Ke8 35. Kd2 Kd7 36. Rc1 Rxc1 37. Kxc1 Bf3 38. Kd2 Bg4 39. Kc3 Bf5 40. Be2 Kc6 41. Bf3+ Kc5 42. b4+ Kb6 43. Kd4 Bb1 44. a3 Bf5 45. Be2 Bc2 46. Bf1 Bf5 47. Bg2 Bc2 48. Bh3 Bb1 49. Bxe6 1-0
2023.02.07 Titled Tue 7th Feb Late
1044310 Michalski, O (2273) Ortega, Mariano (2472) 0-1
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Rc1 h6 7. Bh4 b6 8. Bxf6 Bxf6 9. cxd5 exd5 10. Nge2 c6 11. Nf4 Be7 12. g3 Bd6 13. Bg2 Ba6 14. Nfe2 Nd7 15. O-O Nf6 16. Qa4 Bb7 17. b4 b5 18. Qb3 a5 19. a3 axb4 20. axb4 Qe7 21. Rb1 Ra7 22. Nf4 Rfa8 23. Nd3 Ra3 24. Qb2 Bc8 25. Nc5 Bf5 26. Ra1 Qa7 27. Rxa3 Qxa3 28. Qxa3 Rxa3 29. Rc1 Bxc5 30. dxc5 Rb3 31. Ne2 Rxb4 32. Nd4 Bd7 33. Ra1 Rc4 34. h3 Rxc5 35. Ra7 Rc1+ 36. Kh2 c5 0-1
2023.02.07 Titled Tue 7th Feb Late
1044577 Ortega, Mariano (2472) Rustemov, A (2525) 1/2-1/2
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Bb5 8. Bxb5+ Qxb5 9. Nc3 Bb4 10. Nd2 Bxc3 11. bxc3 Ne7 12. Ba3 Nbc6 13. h4 Qa6 14. Bxe7 Nxe7 15. h5 h6 16. Rh3 Rc8 17. g4 Kd7 18. f4 Rc7 19. Qe2 Qa3 20. Qb5+ Kc8 21. Qb3 Qa6 22. Kf2 Kb8 23. Rb1 Rhc8 24. a4 Nc6 25. Qb5 Qxb5 26. axb5 Na5 27. Rc1 Nc4 28. Nxc4 Rxc4 29. f5 Rxd4 30. cxd4 Rxc1 31. f6 gxf6 32. exf6 Rc8 33. g5 hxg5 34. h6 a5 35. bxa6 bxa6 36. Kg3 Kc7 37. Kg4 Rh8 38. h7 Kd6 39. Kxg5 e5 40. dxe5+ Kxe5 41. Re3+ Kd6 42. Kh6 d4 43. Re7 d3 44. Re3 d2 45. Rd3+ Ke5 46. Rxd2 Kxf6 47. Rf2+ Ke5 48. Kg7 Rxh7+ 49. Kxh7 Kd4 50. Ra2 f5 51. Ra4+ Ke3 52. Rxa6 f4 53. Re6+ Kd3 54. Rf6 Ke3 55. Kg6 f3 56. Kg5 f2 57. Kg4 Ke2 58. Kg3 f1=Q 59. Rxf1 Kxf1 1/2-1/2
2023.02.07 Titled Tue 7th Feb Late
1044621 Ortega, Mariano (2472) Gorodetzky, David (2482) 0-1
1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Qb6 6. dxc5 Qxb2 7. Rb1 Qc3 8. Bb5 g6 9. e4 dxe4 10. Be5 Qa5 11. Nd4 Bd7 12. Bxc6 Bxc6 13. Nxc6 bxc6 14. O-O Rd8 15. Bxf6 exf6 16. Nc4 Qxc5 17. Qe2 f5 18. Rfd1 Be7 19. Rxd8+ Bxd8 20. Rb7 O-O 21. h3 Bh4 22. g3 Bxg3 23. Kg2 Bxf2 0-1
2023.02.07 Titled Tue 7th Feb Late
1044818 Antonova, N (1865) Ortega, Mariano (2472) 0-1
1. Nf3 d5 2. b3 e6 3. Bb2 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O b6 7. c4 Bb7 8. cxd5 exd5 9. d4 Nbd7 10. Nc3 a6 11. Rc1 Bd6 12. e3 Qe7 13. Re1 Rfe8 14. Re2 h6 15. Rec2 Rad8 16. Nh4 Qe6 17. Qf3 g6 18. Qd1 Ne4 19. Nf3 f5 20. Ne2 c5 21. dxc5 bxc5 22. Nf4 Qf7 23. Nxg6 Qxg6 24. Nh4 Qf7 25. Qh5 Qxh5 0-1
2023.02.07 Titled Tue 7th Feb Late
1045000 Bikuzhin, V (2279) Ortega, Mariano (2472) 1-0
1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 e6 6. Nc3 Ne7 7. Bg5 dxc4 8. Bxc4 Nd7 9. Nge2 Nb6 10. Bb3 Qd7 11. Ng3 Bg6 12. O-O Ned5 13. Nce4 Be7 14. Bxe7 Qxe7 15. Nd6+ Kf8 16. f4 Ne3 17. Qd2 Nf5 18. Ngxf5 Bxf5 19. g3 g6 20. a4 Rd8 21. a5 Nc8 22. Nxf5 gxf5 23. Rf3 Qd7 24. Rd3 Ne7 25. Bd1 c5 26. Rc1 cxd4 27. Rc4 Nc6 28. Bf3 Kg7 29. Bxc6 bxc6 30. Rcxd4 1-0
2023.02.07 Titled Tue 7th Feb Late
1045210 Ortega, Mariano (2472) Kalajzic, I (2062) 0-1
1. e4 Nc6 2. Nf3 d6 3. d4 Bg4 4. Be2 e5 5. dxe5 dxe5 6. Nbd2 Bc5 7. c3 Nf6 8. b4 Bb6 9. b5 Bxf3 10. Bxf3 Ne7 11. Qc2 Ng6 12. O-O O-O 13. Ba3 Re8 14. Rad1 Qc8 15. c4 Bd4 16. Nb3 Nh4 17. Be2 c5 18. bxc6 Qxc6 19. Nxd4 exd4 20. f3 Rad8 21. Bd3 Ng6 22. Rfe1 Nf4 23. Bf1 g5 24. g3 Ng6 25. c5 Ne5 26. Bg2 g4 27. f4 Nf3+ 28. Bxf3 gxf3 29. e5 Ng4 30. Rf1 f2+ 31. Rxf2 Nxf2 32. Qxf2 d3 33. Rd2 Qe4 34. Bb2 b6 35. cxb6 axb6 36. f5 Rc8 37. e6 Rc2 38. exf7+ Kxf7 39. g4 Rxd2 40. Qxd2 Qxg4+ 41. Kf1 Qxf5+ 42. Kg1 Re2 43. Qc3 Qf2+ 0-1
2023.02.07 Titled Tue 7th Feb Late
1045385 Jonkman, H (2328) Ortega, Mariano (2472) 1-0
1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Be3 c6 6. a4 Qc7 7. h3 Nbd7 8. Bc4 O-O 9. O-O Nxe4 10. Nxe4 d5 11. Bd3 dxe4 12. Bxe4 Nf6 13. Bd3 Bf5 14. Bc4 Rad8 15. c3 Nd5 16. Bg5 h6 17. Bh4 g5 18. Bg3 Qc8 19. Re1 e6 20. Qe2 Rfe8 21. Rad1 a6 22. Ne5 b5 23. Bb3 Qb7 24. h4 f6 25. Nd3 Qf7 26. Nc5 Ra8 27. Bc2 Bf8 28. Ne4 Rad8 29. Rd2 Qg6 30. h5 Qf7 31. Qf3 Bh7 32. Rde2 f5 33. Nd2 f4 34. Bxh7+ Kxh7 35. Bh2 Bg7 36. Qg4 Nc7 37. g3 Qf5 38. Qxf5+ exf5 39. gxf4 g4 40. f3 g3 41. Bxg3 Bf6 42. Kf2 Rxe2+ 43. Rxe2 Kg7 44. axb5 axb5 45. Nb3 Kf7 46. Nc5 Be7 47. Nd3 Bf6 48. Ne5+ Bxe5 49. fxe5 Ke6 50. Bf4 Nd5 51. Bd2 f4 52. Re1 Rg8 53. Rg1 Rxg1 54. Kxg1 Kf5 55. Kg2 Kg5 56. b3 Kxh5 57. c4 bxc4 58. bxc4 Nb6 59. Bxf4 Nxc4 60. e6 Kg6 61. Be5 Nb6 62. f4 Nd5 63. Kf3 Kf5 64. Bg7 Kxe6 65. Bxh6 Kf5 66. Bg5 Nc3 67. Bh6 Nd5 68. Bg5 Nc3 69. Ke3 Nd5+ 70. Kd3 Ke6 71. Kc4 1-0
2023.01.31 Titled Tue 31st Jan Late
1054480 Garcia Correa, J (2103) Ortega, Mariano (2472) 0-1
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bf5 6. d3 c6 7. h3 e6 8. Qe2 Be7 9. Bd2 Qc7 10. g4 Bg6 11. Ne5 Nbd7 12. Nxg6 hxg6 13. O-O-O O-O-O 14. f4 Bd6 15. Rdf1 Nd5 16. f5 gxf5 17. gxf5 Nxc3 18. Bxc3 Bf4+ 19. Kb1 exf5 20. Qf3 Be5 21. Bxe5 Nxe5 22. Qxf5+ Kb8 23. Bb3 f6 24. Rfg1 c5 25. Qf4 Rh6 26. Be6 Qd6 27. Bf5 g5 28. Qf2 Rh4 29. Rd1 Rf4 30. Qg1 Rxf5 31. h4 gxh4 32. Rxh4 Nf3 33. Qf2 Nxh4 34. Qxh4 Re5 35. b3 Rde8 36. a4 a6 37. Rg1 Qd4 38. Qxd4 cxd4 39. Rg4 Rd5 40. Rf4 f5 41. Kb2 Re2 42. b4 b5 43. Kb3 bxa4+ 44. Kc4 Rd7 45. Rxf5 Rxc2# 0-1
2023.01.31 Titled Tue 31st Jan Late
1054714 Kostiukov, A (2271) Ortega, Mariano (2472) 0-1
1. g3 c5 2. Bg2 g6 3. c4 Bg7 4. Nf3 Nc6 5. O-O e5 6. d3 Nge7 7. Nc3 O-O 8. Bd2 d6 9. a3 h6 10. Rb1 Rb8 11. b4 b6 12. Ne1 f5 13. Nc2 f4 14. e3 g5 15. Nd5 Bf5 16. Nxe7+ Nxe7 17. Bc3 Ng6 18. Qd2 Qd7 19. d4 Bh3 20. dxc5 Bxg2 21. Kxg2 f3+ 22. Kh1 Qh3 23. Rg1 dxc5 24. Qd5+ Kh7 25. bxc5 Rbd8 26. Qe4 bxc5 27. Rb7 Qf5 28. Qxf5 Rxf5 29. Rgb1 Rd3 30. R7b3 Rf7 31. Ne1 Rd6 32. h3 e4 33. Kg1 Bxc3 34. Rxc3 Ne5 35. Kf1 Rfd7 36. Rcb3 Rd1 37. Rb7 Rxb7 38. Rxb7+ Kg6 39. Rxa7 Nd3 40. Ra6+ Kf7 41. Kg1 Rxe1+ 42. Kh2 Rf1 43. g4 Rxf2+ 44. Kh1 Rf1+ 45. Kh2 f2 46. Ra7+ Kf6 47. Ra6+ Ke5 0-1
2023.01.31 Titled Tue 31st Jan Late
1054861 Ortega, Mariano (2472) Martynov, P1 (2414) 1-0
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 b5 8. Qg3 Qxg3 9. hxg3 Bb7 10. a3 Nf6 11. f3 Ne5 12. O-O-O Rc8 13. g4 Bxa3 14. Ncxb5 Bc5 15. Nc3 d6 16. g5 Nfd7 17. Be2 Nb6 18. Bf2 Ke7 19. f4 Nec4 20. Bd3 g6 21. Rdf1 Bb4 22. Nde2 Nd7 23. b3 Na3 24. Kb2 Nc5 25. Ra1 Nxd3+ 26. cxd3 Nb5 27. Nxb5 axb5 28. Ra7 Rc7 29. Rc1 Rd7 30. Bd4 Ra8 31. Bf6+ Ke8 32. Rxa8+ Bxa8 33. Rc8+ Rd8 34. Rxd8# 1-0
2023.01.31 Titled Tue 31st Jan Late
1055038 Ortega, Mariano (2472) Mekhitarian, K (2551) 0-1
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. Bd3 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qxd1+ 12. Kxd1 Bd7 13. Be3 f5 14. Bf3 e5 15. Bd5 O-O-O 16. Kc1 Ne7 17. Bc4 b6 18. f4 Ng6 19. Ba6+ Kc7 20. fxe5 Bc6 21. Rg1 f4 22. Bd2 Rhe8 23. Bd3 Rxd3 24. cxd3 Kd7 25. d4 Ke6 26. Rf1 Bxg2 27. Rf2 f3 28. Be3 Nh4 29. Kd2 Rc8 30. Rc1 Rxc1 31. Kxc1 Nf5 32. Kd2 Kd5 33. Kd3 h6 34. b4 g5 35. e6 Kxe6 36. Ke4 Nd6+ 37. Kd3 Kd5 38. Rc2 Bf1+ 39. Kc3 Be2 40. Kb2 Ne4 0-1
2023.01.31 Titled Tue 31st Jan Late
1055277 Khoroshev, N (2336) Ortega, Mariano (2472) 0-1
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Nd7 7. Nbd2 Bd6 8. Nc4 Qe7 9. a4 a5 10. O-O c5 11. c3 O-O 12. Re1 Nb8 13. d4 cxd4 14. cxd4 Bb4 15. Bd2 exd4 16. Bxb4 Qxb4 17. Qxd4 Nc6 18. Qc3 Qxc3 19. bxc3 Be6 20. Na3 Rad8 21. Nb5 Rd7 22. Nfd4 Nxd4 23. Nxd4 Bc4 24. Rab1 b6 25. Nc6 Re8 26. f3 f6 27. Red1 Rxd1+ 28. Rxd1 Bb3 29. Rd4 Re6 30. Na7 Rd6 31. Rxd6 cxd6 32. Nc8 Bxa4 33. Nxb6 Bb3 34. Kf2 a4 35. Nxa4 Bxa4 36. Ke3 Kf7 37. Kd4 Ke6 38. c4 Bc6 39. g3 f5 40. exf5+ Kxf5 41. f4 Kg4 42. c5 dxc5+ 43. Kxc5 Be4 44. Kd6 0-1
2023.01.31 Titled Tue 31st Jan Late
1055449 Ortega, Mariano (2472) Perske, Thore (2434) 0-1
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 Bb5 7. dxc5 Bxc5 8. b4 Bf8 9. Be3 Qa6 10. Bxb5+ Qxb5 11. a4 Qd7 12. O-O Ne7 13. Nbd2 Nf5 14. Bd4 Nc6 15. Nb3 Be7 16. b5 Ncxd4 17. Nbxd4 Nxd4 18. cxd4 O-O 19. Qd3 Rac8 20. Rfc1 Rxc1+ 21. Rxc1 Rc8 22. Rxc8+ Qxc8 23. h4 Qc1+ 24. Kh2 h5 25. g3 g6 26. Kg2 Kf8 27. Qd2 Qc4 28. Qd1 Kg7 29. Ne1 Bb4 30. Nc2 Bc3 31. g4 hxg4 32. Qxg4 Qxa4 33. h5 Qxc2 34. h6+ Kh7 35. Qg5 Qf5 36. Qe7 Bxd4 37. Qf8 Qxf2+ 38. Kh3 Qf3+ 39. Kh2 Bxe5+ 40. Kg1 d4 41. Qe8 d3 42. Qd7 Kxh6 43. Qd8 Kg7 44. Qd7 Bf6 45. b6 axb6 0-1
2023.01.31 Titled Tue 31st Jan Late
1055501 Ortega, Mariano (2472) Micic, Aleksa (2273) 1-0
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O a6 10. Qe1 b5 11. Kh1 e6 12. f5 d5 13. e5 Nd7 14. f6 Nxf6 15. exf6 Bxf6 16. Bh6 Re8 17. Rd1 b4 18. Ne4 dxe4 19. Bxe4 Qc7 20. Bxc6 Qxc6 21. Ne5 Bxe5 22. Qxe5 1-0
2023.01.31 Titled Tue 31st Jan Late
1055655 Harshavardhan, G B (2434) Ortega, Mariano (2472) 1-0
1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. Nbd2 Bc5 7. b3 O-O 8. Bb2 a5 9. a4 d4 10. c3 dxc3 11. Bxc3 Nbd7 12. Qc2 Be7 13. d4 c5 14. Rfd1 Rc8 15. Qb1 Qc7 16. e4 cxd4 17. Bxd4 Qc2 18. e5 Nd5 19. Nc4 Qxb1 20. Raxb1 Ba6 21. Nfd2 Bc5 22. Ne4 Bxd4 23. Rxd4 Nc5 24. Ned6 Nc3 25. Re1 Rc7 26. Nxb6 Ne2+ 27. Rxe2 Bxe2 28. Rd2 Ba6 29. Rb2 Rb8 30. Nbc4 Bxc4 31. Nxc4 Rxb3 32. Rd2 Rb1+ 33. Bf1 g6 34. Nxa5 Ne4 35. Re2 Ng5 36. Kg2 Rcc1 37. h4 Nh3 38. Kxh3 Rxf1 39. Nc4 Rb4 40. Nd6 Ra1 41. Rc2 1-0
2023.01.10 Titled Tue 10th Jan Early
1068257 Ortega, Mariano (2472) Buraczewski, R (2123) 1-0
1. b3 Nf6 2. Bb2 g6 3. Bxf6 Bg7 4. Bxg7 1-0
2023.01.10 Titled Tue 10th Jan Early
1068583 Guevara Sanchez, E (2073) Ortega, Mariano (2472) 0-1
1. e4 d6 2. d4 g6 3. h4 h5 4. Nf3 Bg4 5. Be2 Bxf3 6. Bxf3 c6 7. Nc3 Bh6 8. Bxh6 Rxh6 9. Qd2 Rh8 10. O-O-O a5 11. Rhe1 a4 12. Qf4 e6 13. d5 e5 14. Qg3 Qf6 15. Rd2 Ne7 16. Red1 Nc8 17. Qh3 Nd7 18. g4 hxg4 19. Bxg4 Ndb6 20. dxc6 bxc6 21. Rh1 Ne7 22. Qd3 Qf4 23. f3 d5 24. Kb1 Kf8 25. Rhd1 Nc4 26. Rg2 Rb8 27. b3 axb3 28. axb3 Ne3 29. Rdg1 Nxg2 30. Rxg2 d4 31. Nd1 Kg7 32. Qc4 Rxh4 33. Qc5 Qf6 34. Bd7 Rh1 0-1
2023.01.10 Titled Tue 10th Jan Early
1068716 Player, E (2180) Ortega, Mariano (2472) 0-1
1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. g3 d5 5. exd5 cxd5 6. Bg2 Nf6 7. Nf3 O-O 8. O-O Nc6 9. Ne2 Bf5 10. c3 Be4 11. Bf4 h6 12. Ne5 Bxg2 13. Kxg2 Qc8 14. Qd2 g5 15. Nxc6 bxc6 16. Be5 Qf5 17. Bxf6 Bxf6 18. f3 h5 19. h3 h4 20. g4 Qg6 21. Rac1 e5 22. Qc2 Qxc2 23. Rxc2 Rfe8 24. dxe5 Bxe5 25. Nd4 c5 26. Nf5 Bf4 27. Rd1 Rad8 28. b4 cxb4 29. cxb4 Rd7 30. Rd3 f6 31. Kf2 Kf7 32. Rc5 d4 33. Rc4 Be3+ 34. Nxe3 dxe3+ 35. Ke2 Rxd3 36. Kxd3 e2 37. Rc7+ Kf8 0-1
2023.01.10 Titled Tue 10th Jan Early
1069004 Ortega, Mariano (2472) Petrova, I (2123) 1-0
1. c3 d6 2. d3 g6 3. Nd2 Bg7 4. e4 Nf6 5. Ngf3 O-O 6. g3 c5 7. Bg2 Nc6 8. O-O Rb8 9. a4 Bd7 10. Nc4 b6 11. Re1 a6 12. e5 dxe5 13. Nfxe5 Nxe5 14. Nxe5 Re8 15. Nc6 Bxc6 16. Bxc6 Rf8 17. Bf4 Rc8 18. Bb7 Nd5 19. Bxc8 Qxc8 20. Bg5 Qd7 21. Qb3 e6 22. Rad1 Rc8 23. Qc4 b5 24. axb5 axb5 25. Qe4 h6 26. Bd2 c4 27. dxc4 Rxc4 28. Qe2 Qc8 29. Ra1 Kh7 30. Ra7 Qe8 31. Qf3 Rc7 32. Rxc7 Nxc7 33. Qb7 Qd8 34. Be3 Qd6 35. Qf3 Qd7 36. Qb7 Qd6 37. Bf4 e5 38. Be3 Kg8 39. Ra1 Ne6 40. Ra8+ Nf8 41. Qxb5 Qd1+ 42. Qf1 Qd5 43. Ra1 Qb7 44. b4 e4 45. Rc1 Ne6 46. b5 Nc7 47. c4 Kh7 48. Rd1 Ne6 49. h4 Be5 50. Rd5 Bb8 51. Qd1 Ng7 52. Rd7 Qc8 53. Qd5 Qe8 54. Qxf7 Qh8 55. Bd4 Qg8 56. Qxg7+ Qxg7 57. Rxg7+ Kh8 58. Rb7+ Kg8 59. Rxb8+ Kf7 60. Rb6 Ke8 61. Rc6 Kd7 62. Kf1 Kd8 63. Ke2 Kd7 64. Ke3 Kd8 65. Kxe4 Kd7 1-0
2023.01.10 Titled Tue 10th Jan Early
1069185 Ortega, Mariano (2472) Levitan, Caleb Levi (2006) 0-1
1. c3 d5 2. d3 e5 3. Nd2 Nf6 4. e4 c6 5. Ngf3 Bd6 6. g3 Be6 7. Bg2 O-O 8. O-O h6 9. Re1 Nbd7 10. d4 dxe4 11. Nxe5 Bxe5 12. dxe5 Nxe5 13. Nxe4 Nxe4 14. Bxe4 Qxd1 15. Rxd1 Bg4 16. Rd4 f5 17. Bf4 fxe4 18. Bxe5 Bf5 19. Kg2 Rad8 20. Rad1 Rxd4 21. Rxd4 Kf7 22. Rb4 b6 23. Rd4 g6 24. Rd6 c5 25. Rc6 Re8 26. Bd6 Bd7 27. Rc7 Ke6 28. Bf4 Ra8 29. Bxh6 Kd6 30. Bf4+ Ke6 31. h3 a5 32. a3 Rf8 33. Rb7 e3 34. Rxb6+ Kd5 35. Bxe3 Bc6 36. Kf1 Bd7 37. h4 Bh3+ 38. Ke2 Bg4+ 39. Kd2 Bf5 40. b3 c4 41. bxc4+ Kxc4 42. Bd4 a4 43. Rb4+ Kd5 44. Rxa4 Rb8 45. Rb4 Ra8 46. a4 Bd7 47. Be3 Bxa4 48. c4+ Ke6 49. Rb6+ Kf5 50. Kc3 Bd7 51. c5 Rc8 52. Rd6 Bc6 53. Kd4 Bg2 54. Kc4 Bc6 55. Rxc6 Rxc6 56. Kd5 Rc8 57. c6 Rd8+ 58. Kc5 Ke6 59. c7 Rc8 60. Kc6 Ke7 61. g4 Ke6 62. h5 gxh5 63. gxh5 Rh8 64. h6 Ke7 65. Bf4 Rc8 66. Bg5+ Ke6 67. f4 Rh8 68. Kb7 Kd7 69. h7 Rc8 70. Bf6 Rxc7+ 0-1