WORLDBASE
85 games / 85 parties
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2025.05.13
Titled Tue 13th May Late
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| 88453 | Costello, Alexander (2262) | Martinez Pla, Xavier (2282) | 1-0 | |
| 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8. O-O-O d6 9. Qg3 Bd7 10. f3 Rc8 11. Kb1 b5 12. Ndxb5 axb5 13. Nxb5 Qb8 14. Nxd6+ Bxd6 15. Qxd6 Qb7 16. Bc5 Qb8 17. Qd2 Qe5 18. Bd6 Qa5 19. Qxa5 Nxa5 20. b3 Bc6 21. Bb4 Nb7 22. a4 Nd7 23. Kb2 Ndc5 24. Be2 O-O 25. a5 Nxa5 26. Bxc5 Rfe8 27. Bb4 Nb7 28. Rd2 e5 29. Ra1 g5 30. Bc4 Nd8 31. Rd6 Ne6 32. Bxe6 Rxe6 33. Rxe6 fxe6 34. c4 Kf7 35. Ra7+ Kf6 36. Be7+ Kg6 37. b4 h5 38. b5 Be8 39. Kb3 g4 40. Kb4 h4 41. Bxh4 Kh5 42. Bg3 gxf3 43. gxf3 Kg5 44. Bxe5 Bh5 45. f4+ Kg4 46. Rg7+ Kf3 47. f5 Kxe4 48. Bd6 exf5 49. b6 Kd4 50. Rc7 Rb8 51. b7 Bf3 52. Rd7 Rxb7+ 53. Rxb7 Bxb7 54. h4 Ke4 55. h5 f4 56. h6 Kf5 57. h7 f3 58. h8=Q f2 59. Qf8+ Ke4 60. Qxf2 1-0 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 88135 | Fayard, A (2061) | Costello, Alexander (2262) | 0-1 | |
| 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nbd2 c5 7. Qb3 Qc7 8. Ne5 cxd4 9. exd4 Nc6 10. Nxc6 bxc6 11. O-O Bd6 12. h3 Bf5 13. Nf3 O-O 14. Bg5 Rab8 15. Qc3 Ne4 16. Qc1 Nxg5 17. Nxg5 Bf4 0-1 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 89420 | Costello, Alexander (2262) | Ristic, Neb1 (2248) | 0-1 | |
| 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 a6 14. Rb1 Na5 15. h4 Rc8 16. Rh3 Nf5 17. h5 f6 18. exf6 Kf7 19. h6 Rg6 20. h7 Rh8 21. Nd1 Nc4 22. Nf2 Kxf6 23. g4 Ne7 24. Qd4+ e5 25. fxe5+ Qxe5+ 26. Qxe5+ Nxe5 27. g5+ Kf7 28. Re3 Rxg5 29. Rxb7 Rxh7 30. Bb2 N7g6 31. Bxa6 Kf6 32. Rb6+ Ke7 33. Be2 Kd8 34. Kd2 Kc7 35. Ra6 Bc6 36. Bd4 Bb7 37. Ra7 Nc6 38. Rc3 Kb8 39. Ra4 Nxd4 40. Rxd4 Rh2 41. Rf3 Rgg2 42. Ke1 Ne5 43. Rf8+ Ka7 44. Bf1 Rg1 45. Ra4+ Kb6 46. Rb4+ Kc6 47. Rf5 Nc4 48. Rf6+ Nd6 49. Ke2 Ba6+ 0-1 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 89264 | Costello, Alexander (2262) | Bardyk, Artem (2284) | 0-1 | |
| 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. cxd5 exd5 6. Bb2 Nc6 7. Bb5 Bd6 8. d4 cxd4 9. Nxd4 Bd7 10. Nd2 O-O 11. O-O Re8 12. h3 Rc8 13. Nxc6 bxc6 14. Bd3 c5 15. Qc2 h6 16. Rfd1 Qe7 17. Rac1 a5 18. Bc3 a4 19. Qb2 a3 20. Qb1 Bc6 21. Bf5 Rcd8 22. Ba1 Nh5 23. Nf3 d4 24. Bg4 Nf6 25. Nxd4 cxd4 26. Rxc6 dxe3 27. Qc2 Nxg4 28. hxg4 Bh2+ 29. Kh1 Qh4 30. Rxd8 Bg3+ 31. Kg1 exf2+ 32. Kf1 Qh1# 0-1 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 89103 | Ferriz Barrios, A (2102) | Costello, Alexander (2262) | 0-1 | |
| 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Bd6 11. Nbd2 Nge7 12. a3 O-O 13. Qc4 Ng6 14. b4 a5 15. b5 Nce5 16. Nxe5 Nxe5 17. Qxd4 Qxb5 18. Rb1 Qe2 19. Rxb8 Rxb8 20. Bb2 Qd3 21. Qxd3 Nxd3 22. Bc3 a4 23. Nc4 Bc5 24. g3 Nxf2 25. Rxf2 Rb1+ 26. Kg2 Bxf2 27. Kxf2 Rc1 0-1 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 88839 | Costello, Alexander (2262) | Mikaelyan, A (2492) | 0-1 | |
| 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O a6 7. a4 Nc6 8. h3 e5 9. Be3 exd4 10. Nxd4 Re8 11. Nxc6 bxc6 12. Bd3 Rb8 13. Rb1 Nd7 14. Qd2 Ne5 15. Be2 Be6 16. Bxa6 Bc4 17. Bxc4 Nxc4 18. Qe2 Nxb2 19. Nd1 Nxa4 20. Rxb8 Qxb8 21. Qc4 Qb5 22. Qd3 Nc5 23. Bxc5 Qxc5 24. Ne3 h5 25. Rb1 Bh6 26. Nf1 Qe5 27. Rb4 h4 28. c3 Ra8 29. Rb1 Bg7 30. Rc1 Ra3 31. Nd2 Rxc3 32. Rxc3 Qxc3 33. Qe2 Qc1+ 34. Nf1 Bd4 35. Qg4 Qe1 36. Qxh4 c5 37. Qf4 c4 0-1 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 89026 | Argandona Riveiro, I (2333) | Costello, Alexander (2262) | 0-1 | |
| 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf5 5. fxe4 Nxe4 6. Qf3 Nxc3 7. bxc3 e6 8. Qxb7 Nd7 9. Bb5 Rb8 10. Bxd7+ Kxd7 11. Qxa7 Qh4+ 12. Kf1 Bd6 13. Qa4+ Ke7 14. Nf3 Qe4 15. Ba3 Ra8 16. Bxd6+ cxd6 17. Qb5 Rhb8 18. Qe2 Rb2 19. Qxe4 Bxe4 20. Nd2 Bxc2 21. Ke2 Rc8 22. Rhc1 Rxc3 23. a4 Kd7 24. a5 Bd3+ 25. Ke3 Rxc1 26. Rxc1 Ba6 27. Ra1 f6 28. g3 e5 29. dxe5 fxe5 30. h4 d5 31. Nf3 Kd6 32. Ng5 h6 33. Nf7+ Ke6 34. Nd8+ Kd7 35. Nf7 Re2+ 36. Kf3 e4+ 37. Kf4 Rf2+ 38. Ke5 Rxf7 39. Kxd5 e3 40. Kc5 e2 0-1 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 88599 | Kocharin, Timur (2324) | Costello, Alexander (2262) | 0-1 | |
| 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 c5 7. Qb3 Bxf3 8. gxf3 cxd4 9. Qxb7 Nbd7 10. exd4 Bd6 11. Qc6 Bb4 12. Qa4 Bxc3+ 13. bxc3 O-O 14. O-O Nb6 15. Qb3 Nxc4 16. Qxc4 Rc8 17. Qd3 Nd5 18. Bd2 Qc7 19. Rac1 Qc4 20. Qxc4 Rxc4 21. Kg2 Rfc8 22. Rc2 Rxd4 23. Rb1 Ra4 24. Rb7 h6 25. c4 Raxc4 26. Rxc4 Rxc4 27. Rxa7 Rc2 28. Be1 Nf4+ 29. Kf1 Rc1 30. Rd7 Ra1 31. Rd2 g5 32. Rc2 Nd3 33. Re2 Kh7 34. Re3 Nxe1 35. Rxe1 Rxa2 36. Kg2 Kg6 37. h3 h5 38. Re4 Ra5 39. Rc4 Kf6 40. Rb4 Kf5 41. Rc4 f6 42. Rb4 Rd5 43. Kg3 Rd1 44. Rb5+ e5 45. Rb6 Rd3 46. Kg2 Ra3 47. Rc6 Ra4 48. Rb6 Rd4 49. Rc6 Kg6 50. Rb6 Rd7 51. Rc6 Kf5 52. Rb6 Re7 53. Rc6 Re6 54. Rc5 Kg6 55. Rb5 Kf7 56. Rb7+ Kg6 57. Rb5 Kf5 58. Ra5 Rd6 59. Rb5 Kf4 60. Rb4+ Rd4 61. Rb6 f5 62. Rh6 h4 63. Rf6 Rd3 64. Rf8 Rxf3 65. Rxf5+ Kxf5 66. Kxf3 g4+ 67. hxg4+ Kg5 68. Kg2 Kxg4 69. Kh2 Kf3 70. Kh3 Kxf2 71. Kxh4 e4 0-1 | ||||
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2025.05.13
Titled Tue 13th May Late
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| 88694 | Costello, Alexander (2262) | Gajic, Ml (2246) | 1-0 | |
| 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nd5 Rc8 9. c4 Nf6 10. Bg5 Be7 11. Bxf6 Bxf6 12. Nc2 O-O 13. Be2 Bg5 14. O-O g6 15. Kh1 f5 16. exf5 Bxf5 17. Nce3 Nd4 18. Bd3 Be6 19. Be4 b5 20. b3 Kg7 21. f4 Bh6 22. fxe5 dxe5 23. Rxf8 Qxf8 24. Ng4 Bxg4 25. Qxg4 bxc4 26. Nb6 Rd8 27. Nxc4 Nf5 28. Rf1 Ng3+ 29. hxg3 Qxf1+ 30. Kh2 1-0 | ||||
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2025.04.22
Titled Tue 22nd Apr Late
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| 109407 | Costello, Alexander (2262) | Powell, P (2270) | 1-0 | |
| 1. h4 d5 2. e3 h6 3. b3 c5 4. Bb2 Nc6 5. Nf3 Bg4 6. Bb5 e6 7. Nc3 Rc8 8. Ne2 a6 9. Bxc6+ Rxc6 10. Ne5 Bxe2 11. Nxc6 Bxd1 12. Nxd8 Bxc2 13. Nxb7 Bd3 14. Rc1 c4 15. bxc4 dxc4 16. Na5 Nf6 17. Nxc4 Be7 18. Ne5 O-O 19. Nxd3 Rb8 20. Ke2 Nd5 21. Rc4 a5 22. Rhc1 Kh7 23. e4 Nf4+ 24. Nxf4 Rxb2 25. R1c2 Rb5 26. d4 g5 27. hxg5 hxg5 28. Nd3 Kg7 29. Rc7 Bf8 30. Ne5 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 120008 | Boyer, Mahel (2528) | Costello, Alexander (2262) | 1-0 | |
| 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 a5 5. Nc3 Bc5 6. e3 d6 7. Be2 O-O 8. O-O Bf5 9. d4 Bb6 10. c5 dxc5 11. dxe5 Ng4 12. e4 Be6 13. Bf4 Qxd1 14. Rfxd1 Nd4 15. Nxd4 cxd4 16. Nd5 Nxf2 17. Nxb6 Nxd1 18. Nxa8 Nxb2 19. Nxc7 d3 20. Bf3 Rc8 21. Nxe6 fxe6 22. Rb1 Rc2 23. Bd1 Nxd1 24. Rxd1 Rc3 25. a4 Rb3 26. Kf2 Rb4 27. Ke3 Rxa4 28. Rxd3 Kf7 29. Rd7+ Ke8 30. Rxb7 Ra3+ 31. Kf2 a4 32. Rxg7 Rb3 33. Rxh7 a3 34. Ra7 Rb2+ 35. Kf3 a2 36. h4 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 120344 | Popov, Tikhon (2173) | Costello, Alexander (2262) | 1-0 | |
| 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Qd3 Nc6 5. Nxd4 Qc7 6. Nc3 a6 7. Nxc6 bxc6 8. Qg3 Qxg3 9. hxg3 d6 10. g4 e5 11. g5 Be6 12. Be3 d5 13. Na4 d4 14. Bd2 Bd6 15. Nb6 Rb8 16. Nc4 Bc7 17. b3 Ne7 18. g3 c5 19. f4 Nc6 20. f5 Bd7 21. Bd3 Nb4 22. Ke2 Bc6 23. Rh4 Kf8 24. Rah1 Kg8 25. a3 Nxd3 26. Kxd3 Re8 27. a4 Bd8 28. Rg4 Bc7 29. Ba5 Bb8 30. Rgh4 Rc8 31. Bb6 Bd7 32. Rh5 g6 33. fxg6 fxg6 34. R5h2 Kg7 35. Kd2 Be6 36. Nb2 Rc6 37. a5 Bd6 38. Nd3 c4 39. bxc4 Rxc4 40. Rb1 Be7 41. Nxe5 Bxg5+ 42. Kd1 Ra4 43. Bc5 Rc8 44. Rb7+ Kg8 45. Rhxh7 Rxc5 46. Rhg7+ Kf8 47. Nxg6+ Ke8 48. Rb8+ Rc8 49. Rxc8+ Bxc8 50. Rg8+ Kd7 51. Ne5+ Kd6 52. Nf7+ Ke7 53. Nxg5 Bg4+ 54. Kd2 Rxa5 55. Nh7 Be6 56. Rg7+ Kd6 57. Ra7 Kc5 58. Nf6 Kb6 59. Re7 Bc4 60. e5 Kc6 61. Ne4 Bd5 62. Nd6 Rc5 63. Nf5 Be4 64. Nxd4+ Kd5 65. c3 Rc8 66. Ke3 Bc2 67. Ne2 Bb1 68. Nf4+ Kc5 69. e6 Kd6 70. Rd7+ Kc6 71. Rd1 Re8 72. Rxb1 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 120262 | Sheehan, Ethan (2363) | Costello, Alexander (2262) | 0-1 | |
| 1. f3 d5 2. Kf2 e5 3. g3 h5 4. h4 Nc6 5. Bh3 Bxh3 6. Nxh3 Qd7 7. Kg2 O-O-O 8. d3 Nge7 9. c3 Nf5 10. Qa4 Bc5 11. b4 Bb6 12. Na3 e4 13. Bf4 Rhe8 14. Rhe1 exd3 15. exd3 Rxe1 16. Rxe1 Re8 17. Qd1 f6 18. d4 Nd8 19. Rxe8 Qxe8 20. Qd3 g6 21. Nc2 Ne6 22. Bd2 c6 23. Ne3 Neg7 24. Nf4 Nxg3 25. Kxg3 Bc7 26. Ng2 g5 27. Kf2 gxf4 28. Bxf4 Ne6 29. Bxc7 Kxc7 30. Qf5 Qf7 31. Ne1 Ng7 32. Qf4+ Kd7 33. Nd3 Ne6 34. Qb8 Nd8 35. Nc5+ Ke8 36. Qxa7 Qc7 37. Kg2 Qg7+ 38. Kh3 Qg1 39. Qb8 Qf1+ 40. Kg3 Qe1+ 41. Kf4 Qxh4+ 42. Ke3 Qg5+ 43. Qf4 Qg1+ 44. Kd3 Qd1+ 45. Qd2 Qxf3+ 46. Qe3+ Qxe3+ 47. Kxe3 b6 48. Nd3 Ne6 49. a4 Kd7 50. Kf3 Ng5+ 51. Kf4 Ne4 52. c4 Nc3 53. c5 Nxa4 54. Kf5 bxc5 55. dxc5 h4 56. Kxf6 h3 57. Nf2 h2 58. Ke5 Nb2 59. Kd4 Nd1 60. Nh1 Kc7 61. Ng3 Nf2 62. b5 h1=Q 63. Nxh1 Nxh1 0-1 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 120105 | Costello, Alexander (2262) | Carroll, Thomas (2147) | 1-0 | |
| 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O g6 8. b3 Bg7 9. Bb2 O-O 10. Qe1 e5 11. Nd2 Qe7 12. Nc4 Nd7 13. Rd1 Nc5 14. Ba3 Nb7 15. f4 Bg4 16. fxe5 Bxe5 17. Nxe5 Qxe5 18. Rd2 Nc5 19. Qe3 Nxd3 20. cxd3 Rfe8 21. Bb2 Qc5 22. Bd4 Qb4 23. Qf2 Be6 24. Qf6 Kf8 25. Rdf2 Qb7 26. Qg7+ Ke7 27. Rxf7+ Bxf7 28. Rxf7+ Ke6 29. Rxb7 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 119944 | Costello, Alexander (2262) | Dobrocmyslov, A (2297) | 1-0 | |
| 1. c4 b6 2. d4 Bb7 3. f3 e6 4. e4 d5 5. cxd5 exd5 6. e5 c5 7. Be3 cxd4 8. Bxd4 Nc6 9. Bb5 Bc5 10. Bxc5 bxc5 11. Nc3 d4 12. Ne4 Kf8 13. Qd2 Nxe5 14. Nxc5 Qb6 15. Nxb7 Qxb5 16. Nd6 Nd3+ 17. Kf1 Qxb2 18. Rd1 Rd8 19. Qxd3 Rxd6 20. Ne2 Nf6 21. Rb1 Qxa2 22. Rb8+ Ne8 23. Nf4 Qa1+ 24. Kf2 Qa2+ 25. Kg3 Ke7 26. Re1+ Kd7 27. Qb5+ Kc7 28. Re7+ Rd7 29. Rxd7# 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 119842 | Costello, Alexander (2262) | Ragger, M (2585) | 0-1 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. O-O Nge7 6. d3 O-O 7. Nc3 d6 8. Be3 Bg4 9. h3 Bh5 10. g4 Bg6 11. Bxc5 dxc5 12. Bxc6 Nxc6 13. Nd5 f6 14. c4 Qd7 15. Nh4 Bf7 16. Nf5 Be6 17. Qd2 g6 18. Ng3 Rad8 19. f4 exf4 20. Qxf4 Bxd5 21. cxd5 Nd4 22. Rf2 Qd6 23. Qxd6 cxd6 24. Ne2 Nc2 25. Rd1 Rde8 26. Rd2 Nd4 27. Nxd4 cxd4 28. Rc2 Kg7 29. Rc7+ Rf7 30. Rfc2 Ree7 31. Rxe7 Rxe7 32. Kf2 f5 33. gxf5 gxf5 34. exf5 Kf6 35. Rc4 Ke5 36. Kf3 Rf7 37. Kg3 h6 38. Kg4 Rxf5 39. h4 Rf2 0-1 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 119663 | Khlebovich, A (2423) | Costello, Alexander (2262) | 1-0 | |
| 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. h3 c5 7. hxg4 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 119649 | Costello, Alexander (2262) | Rustamov, Rustam (2301) | 1-0 | |
| 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. Nf3 Nf6 8. Nc3 Qc6 9. Qe2 Nbd7 10. O-O a6 11. Bg5 Be7 12. Rad1 Rc8 13. Rfe1 h6 14. Bh4 Qc4 15. Rd3 b5 16. Nd2 Qc6 17. a3 Nc5 18. Re3 Ne6 19. Nf3 g5 20. Bg3 h5 21. h3 h4 22. Bh2 g4 23. Nd2 Rg8 24. Kh1 Qd7 25. Nd5 Nxd5 26. exd5 Nd4 27. Qd1 Nxc2 28. Rxe5 dxe5 29. Rxe5 g3 30. fxg3 hxg3 31. Ne4 Rg6 32. d6 Re6 33. Qh5 Kd8 34. dxe7+ Qxe7 35. Qh8+ Kc7 36. Rxe6 Qxe6 37. Qc3+ Kb7 38. Nc5+ Rxc5 39. Qxc5 Qe1+ 40. Bg1 Qe2 41. Qd5+ Kc8 42. Qc6+ Kd8 43. Bb6+ Ke7 44. Qc7+ Kf6 45. Qxg3 Ne1 46. Bd4+ Ke6 47. Bc3 Nd3 48. Kh2 f5 49. Qg6+ Kd7 50. Qxf5+ Kc6 51. h4 a5 52. h5 b4 53. axb4 axb4 54. Bd4 Ne1 55. Qc5+ Kd7 56. Qd5+ Kc7 57. Be5+ Kb6 58. Bf4 Qxb2 59. h6 b3 60. Be5 Qe2 61. Bd4+ Ka6 62. h7 b2 63. h8=Q b1=Q 64. Qha8# 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 119458 | Costello, Alexander (2262) | Jodar Arias, M (2195) | 1-0 | |
| 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. f3 Bb7 6. e4 d6 7. Nc3 a6 8. Be3 e6 9. Bd3 Nbd7 10. O-O Ke7 11. f4 Ke8 12. g4 Nc5 13. g5 Nfxe4 14. Nxe4 Bxe4 15. Bxe4 Nxe4 16. Qf3 Nc5 17. f5 e5 18. Ne6 Qc8 19. Bxc5 fxe6 20. Bxb6 exf5 21. Qd5 Rb8 22. c5 Qb7 23. Qe6+ Be7 24. Rxf5 Rf8 25. Rxf8+ Kxf8 26. Rf1+ Ke8 27. Qf7+ Kd7 28. Rd1 Kc6 29. Qe6 Qd7 30. Qd5+ Kb5 31. c6+ 1-0 | ||||
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2025.04.15
Titled Tue 15th Apr Late
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| 119281 | Beulen, M (2359) | Costello, Alexander (2262) | 0-1 | |
| 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Qe7 6. Nxc6 Qxe4+ 7. Qe2 dxc6 8. Bd2 Qxe2+ 9. Bxe2 Bf5 10. O-O-O O-O-O 11. Bg5 Rd6 12. Bc4 Bxc3 13. bxc3 Ne4 14. Be3 Nxc3 15. Rd2 Be6 16. Bxe6+ Rxe6 17. Kb2 Nd5 18. Re1 Rhe8 19. Rd3 Nf4 20. Rc3 Nxg2 21. Rg1 Nxe3 22. fxe3 g6 23. Rg3 Re4 24. Kc1 Rh4 25. h3 f5 26. Kd2 f4 27. exf4 Rxf4 28. Rcd3 Rf2+ 29. Kc1 Ree2 30. Rc3 Kd7 31. Rgf3 Rxf3 32. Rxf3 Ke6 33. Kb2 g5 34. Kc3 h5 35. Kd3 Rg2 36. Ke4 Rxc2 0-1 | ||||
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2025.03.25
Titled Tue 25th Mar Late
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| 139407 | Costello, Alexander (2262) | Bournel, Antoine (2423) | 0-1 | |
| 1. e4 e6 2. d4 a6 3. Bd3 d5 4. Nc3 c5 5. Nf3 Nc6 6. exd5 exd5 7. O-O c4 8. Re1+ Be7 9. Bf1 Nf6 10. Ne5 O-O 11. Bf4 Bf5 12. Qd2 Rc8 13. a4 Bb4 14. f3 Nxd4 15. Rac1 Ne6 16. Kh1 d4 0-1 | ||||
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2025.03.25
Titled Tue 25th Mar Late
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| 139387 | Gibala, Adam (2196) | Costello, Alexander (2262) | 1/2-1/2 | |
| 1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 dxe3 5. fxe3 cxb4 6. d4 e6 7. Bd3 Nf6 8. O-O Nc6 9. Nbd2 Be7 10. Bb2 O-O 11. e4 e5 12. d5 Bc5+ 13. Kh1 Ng4 14. Qe2 Nd4 15. Nxd4 Bxd4 16. Bxd4 exd4 17. h3 Ne5 18. Nf3 Re8 19. Nxd4 Qg5 20. Nf3 Qg3 21. Nxe5 Qxe5 22. Qf3 f6 23. Rab1 a5 24. c5 Bd7 25. Bc4 Kh8 26. a3 Qxe4 27. Qxe4 Rxe4 28. Rfc1 Rc8 29. axb4 axb4 30. Rxb4 Rxc5 31. Rxb7 Bc8 32. Rb8 h5 33. d6 Rd4 34. Re1 Rcxc4 35. Re8+ Kh7 36. Rbxc8 Rxc8 37. Rxc8 Rxd6 38. Kh2 g5 39. Rc4 Kg6 40. h4 Rd3 41. hxg5 fxg5 42. Rc6+ Kf5 43. Rc5+ Kf4 44. Rc4+ Ke3 45. Rc5 Kf4 46. Rc4+ Ke5 47. Rc5+ Rd5 48. Rc8 Kf4 49. Rf8+ Kg4 50. Re8 h4 51. Re4+ Kf5 52. Re8 Rd1 53. Ra8 g4 54. Ra5+ Kg6 55. Ra6+ Kf5 56. Ra5+ Ke4 57. Ra4+ Rd4 58. Ra5 Ke3 59. Ra3+ Kf2 60. Ra2+ Ke1 61. Ra1+ Ke2 62. Ra2+ Rd2 63. Ra4 g3+ 64. Kh3 Kf1 65. Rf4+ Rf2 66. Rxh4 Rxg2 67. Rg4 Kf2 68. Rf4+ Kg1 69. Rf3 Rh2+ 70. Kxg3 Rd2 71. Kf4 Rf2 72. Rxf2 Kxf2 1/2-1/2 | ||||
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2025.03.25
Titled Tue 25th Mar Late
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| 139232 | Zieba, Hubert (2232) | Costello, Alexander (2262) | 1/2-1/2 | |
| 1. d4 Nf6 2. c4 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Bg7 7. O-O Nc6 8. e3 O-O 9. Nc3 Re8 10. h3 e5 11. d5 Na5 12. e4 c6 13. Bg5 f6 14. Be3 Nac4 15. Bxb6 axb6 16. b3 Nd6 17. Nd2 b5 18. Rc1 Qb6 19. Qe2 f5 20. a4 f4 21. dxc6 bxc6 22. axb5 fxg3 23. bxc6 Ba6 24. Nc4 Nxc4 25. bxc4 Qxc6 26. Nd5 Qc5 27. Kh1 gxf2 28. Rxf2 Rf8 29. Rxf8+ Rxf8 30. Bf3 Bc8 31. Kg2 Ba6 32. Qf2 Rc8 33. Qxc5 Rxc5 34. Be2 h5 35. Ra1 Bxc4 36. Rc1 Bxd5 37. Rxc5 Bxe4+ 38. Bf3 Bf5 39. Rc4 Kf7 40. Be4 Ke6 41. Rc6+ Kf7 42. Rc4 Bh6 43. h4 Bf4 44. Rc7+ Ke6 45. Rc6+ Ke7 46. Bxf5 gxf5 47. Ra6 e4 48. Kf2 Bd6 49. Ke3 Ke6 50. Ra5 Be7 51. Ra6+ Kd5 52. Ra5+ Bc5+ 53. Kf4 e3 54. Kxf5 e2 55. Ra1 Bf2 56. Kg5 e1=Q 57. Rxe1 Bxe1 58. Kxh5 Bxh4 1/2-1/2 | ||||
|
2025.03.25
Titled Tue 25th Mar Late
|
||||
| 138976 | Costello, Alexander (2262) | Haug, Havard (2338) | 0-1 | |
| 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Nbd2 dxc4 6. Bg2 O-O 7. O-O b5 8. a4 c6 9. Ne5 Nd5 10. b3 Bc3 11. bxc4 Bxa1 12. cxd5 Bxd4 13. Nxc6 Nxc6 14. dxc6 Ba6 15. Nb3 Bb6 16. axb5 Bxb5 17. Qc2 Rc8 18. Rd1 Qe7 19. Qa2 Rfd8 20. Rxd8+ Qxd8 21. Qc2 Qe8 22. Bb2 Bxc6 23. Qc3 f6 24. Bxc6 Qxc6 25. Qd3 Qd5 26. Qa6 Qc6 27. Qd3 Qd5 28. Qa6 Rd8 29. Bc3 Qxb3 0-1 | ||||
|
2025.03.25
Titled Tue 25th Mar Late
|
||||
| 138806 | Villalba, M (2233) | Costello, Alexander (2262) | 0-1 | |
| 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Qxe2 Qxd5 6. Nf3 e6 7. O-O Nc6 8. c4 Nxd4 9. Nxd4 Qxd4 10. Rd1 Qe4 11. Be3 Bc5 12. Nc3 Qe5 13. Bxc5 Qxc5 14. Nd5 O-O-O 15. b4 Qf8 16. Nc3 Qxb4 17. Nb5 Qc5 18. Rab1 Rxd1+ 19. Qxd1 Rd8 20. Qb3 Ne4 21. Qf3 f5 22. Rb2 c6 0-1 | ||||
|
2025.03.25
Titled Tue 25th Mar Late
|
||||
| 138498 | Mazzilli, P (2303) | Costello, Alexander (2262) | 0-1 | |
| 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. a4 Bf5 6. e3 Nc6 7. Bxc4 e6 8. O-O Bd6 9. Re1 Ne4 10. Bd3 Nxc3 11. bxc3 Bxd3 12. Qxd3 O-O 13. Rb1 b6 14. e4 e5 15. Bg5 Qe8 16. d5 Na5 17. c4 Qxa4 18. Bd2 Qxc4 19. Qe3 Nb7 20. Rec1 Qa4 21. Qg5 Rae8 22. Qf5 Nc5 23. Ng5 g6 24. Qh3 h5 25. Rb4 Qd7 26. Qe3 f6 27. Nf3 a5 28. Rbc4 a4 29. Bb4 Ra8 30. Ba3 Kg7 31. Nh4 Qg4 32. Nf3 Rf7 33. h3 Qd7 34. Nh4 Nb3 35. Bxd6 cxd6 36. R1c3 Nc5 37. Qc1 b5 38. Rb4 Ra5 39. Rg3 g5 40. Nf5+ Kf8 41. Qd1 a3 42. Qxh5 Rh7 43. Qg6 Qf7 44. Qxf7+ Kxf7 45. Nxd6+ Ke7 46. Nxb5 a2 47. Ra3 Rxa3 48. Nxa3 a1=Q+ 0-1 | ||||
|
2025.03.25
Titled Tue 25th Mar Late
|
||||
| 138246 | Costello, Alexander (2262) | Groetzbach, J (2182) | 1-0 | |
| 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nb3 Be7 8. O-O O-O 9. f4 exf4 10. Bxf4 Nc6 11. Kh1 Ne5 12. Nd4 Be6 13. Nxe6 fxe6 14. Bxe5 dxe5 15. Bc4 Qb6 16. Bb3 Rad8 17. Qe2 Rd4 18. Rae1 Qc6 19. a3 Bxa3 20. bxa3 Qxc3 21. Bxe6+ Kh8 22. Rf3 Qc5 23. Qf2 Qd6 24. Bd5 b5 25. Rf1 Rc8 26. c3 Ra4 27. Rg3 Rxa3 28. Qa7 Qc7 29. Qxc7 Rxc7 30. h3 Raxc3 31. Rxf6 1-0 | ||||
|
2025.03.25
Titled Tue 25th Mar Late
|
||||
| 138150 | Stachanczyk, J (2129) | Costello, Alexander (2262) | 0-1 | |
| 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Qd3 a6 7. Nxc6 Qxc6 8. Qg3 Nf6 9. Bd3 b5 10. a3 Bb7 11. O-O h5 12. h3 h4 13. Qg5 Rh5 14. Qe3 Bc5 15. Qe2 Rh8 16. Be3 d6 17. Bxc5 Qxc5 18. Rad1 Nh5 19. Rfe1 Nf4 20. Qe3 Qxe3 21. Rxe3 Ke7 22. Bf1 g5 23. f3 Rac8 24. Kf2 Rc5 25. Rd2 Rhc8 26. Re1 Rxc3 27. bxc3 Rxc3 28. Red1 d5 29. exd5 Bxd5 30. a4 bxa4 31. Bxa6 a3 32. Ra1 Kd6 33. Bd3 Kc5 34. Ke3 f5 35. Rdd1 a2 36. Rd2 Ng6 37. Re2 Ra3 38. Kf2 Kd4 39. c4 Nf4 40. Rexa2 Nxd3+ 41. Kg1 Rxa2 42. Rxa2 Bxc4 43. Ra7 Ke3 44. Ra5 e5 45. Ra4 Bb3 46. Ra5 Bd1 47. Ra7 e4 48. fxe4 fxe4 49. Rg7 Kd2 50. Rxg5 e3 51. Rg7 e2 52. Re7 e1=Q+ 53. Rxe1 Kxe1 54. g3 Bf3 55. gxh4 Nf4 56. h5 Nxh5 57. h4 Ke2 58. Kh2 Kf2 59. Kh3 Nf4+ 60. Kh2 Bh5 61. Kh1 Ng6 62. Kh2 Ne5 0-1 | ||||
|
2025.03.25
Titled Tue 25th Mar Late
|
||||
| 138669 | Costello, Alexander (2262) | Pakleza, Z (2485) | 0-1 | |
| 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bf5 5. Bb2 e6 6. Be2 Nbd7 7. O-O Bd6 8. Nh4 Bg6 9. d3 Qe7 10. Nd2 a5 11. a3 O-O 12. Nxg6 hxg6 13. Nf3 e5 14. g3 e4 15. Nd2 Nc5 16. d4 Ne6 17. Kg2 Rfe8 18. c5 Bc7 19. b4 Nd7 20. h4 f5 21. Rh1 Nf6 22. b5 Kf7 23. Bc3 Rh8 24. Rb1 g5 25. hxg5 Nxg5 26. bxc6 bxc6 27. Rb7 Rxh1 28. Qxh1 a4 29. Qh4 Kg6 30. Qh1 Qd7 31. Qd1 f4 0-1 | ||||
|
2025.03.11
Titled Tue 11th Mar Late
|
||||
| 150815 | Martinez Alcantara, Jose Eduardo (2606) | Costello, Alexander (2262) | 1-0 | |
| 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. h3 Bb4 5. Bd3 O-O 6. O-O d6 7. a3 Ba5 8. b4 Bb6 9. Na4 d5 10. exd5 Qxd5 11. Re1 Bd4 12. Nxd4 Nxd4 13. Bb2 Bxh3 14. f3 Bd7 15. Nc5 Rfe8 16. c4 Qd6 17. Re3 b6 18. Nb3 c5 19. Rb1 Ba4 20. Bc2 Rad8 21. Nxd4 cxd4 22. Re1 Bxc2 23. Qxc2 Qd7 24. d3 Rc8 25. Re2 Qf5 26. Rbe1 Re6 27. Qb3 Nd7 28. Re4 Qg5 29. Qa4 Qe7 30. R4e2 Nf8 31. Bc1 Ng6 32. Bd2 Nh4 33. Re4 Nf5 34. Qa6 Re8 35. Qa4 h5 36. Qd1 h4 37. Rg4 Qf6 38. Bg5 Qg6 39. Bxh4 Qh5 40. Bf2 Rh6 41. Kf1 Rg6 42. Kg1 Rh6 43. Kf1 Rg6 44. Rxg6 Qxg6 45. Qe2 Ng3+ 46. Bxg3 Qxg3 47. Qf2 Qf4 48. g3 Qf5 49. Qe2 Qh3+ 50. Qg2 Qf5 51. Re4 f6 52. Kg1 Kf7 53. Qh1 Qg6 54. Qh3 f5 55. Rh4 Re6 56. Rh5 Rf6 57. Kg2 Ke7 58. Qh4 f4 59. Rxe5+ Kd6 60. Re4 Qxg3+ 61. Qxg3 fxg3 62. Rxd4+ Ke5 63. Re4+ Kf5 64. Kxg3 Rd6 65. d4 Rg6+ 66. Kf2 Rh6 67. d5 Rh2+ 68. Ke3 Ra2 69. d6 Rxa3+ 70. Kd4 Ra1 71. Kd5 1-0 | ||||
|
2025.03.04
Titled Tue 4th Mar Late
|
||||
| 158549 | Costello, Alexander (2262) | Piliczewski, B (1878) | 1-0 | |
| 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. O-O cxd4 7. Nxd4 Bg6 8. Be3 Nd7 9. f4 Bc5 10. Nd2 Qb6 11. N2b3 a6 12. Nxc5 Nxc5 13. Nb3 Nxb3 14. Bxb6 Nxa1 15. Qxa1 Ne7 16. Bc5 Rc8 17. Bxe7 Kxe7 18. c3 Rhd8 19. Rd1 Be4 20. Rd4 h6 21. Qe1 Rc7 22. Bd3 Bxd3 23. Rxd3 Rdc8 24. Rd4 b5 25. a3 a5 26. f5 exf5 27. Rxd5 Kf8 28. Qe3 b4 29. axb4 axb4 30. Rd3 bxc3 31. Rxc3 Rxc3 32. bxc3 Re8 33. c4 Kg8 34. c5 Kh8 35. c6 f6 36. e6 Re7 37. c7 Rxc7 38. e7 Rxe7 39. Qxe7 Kh7 40. Kf2 Kg6 41. Kf3 h5 42. h4 Kh6 43. Kf4 g5+ 44. Kxf5 gxh4 45. Qf7 h3 46. Qg6# 1-0 | ||||
|
2025.03.04
Titled Tue 4th Mar Late
|
||||
| 158782 | Costello, Alexander (2262) | Harish, Neeraj (2169) | 0-1 | |
| 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d4 Nc6 6. c4 cxd4 7. Nxd4 Be7 8. Nc3 O-O 9. cxd5 exd5 10. h3 Re8 11. Be3 Bd6 12. Qd2 Nxd4 13. Bxd4 Ne4 14. Nxe4 dxe4 15. Rad1 Bf8 16. Qf4 Qe7 17. Rc1 Bd7 18. Rc7 Qe6 19. Rxb7 Bd6 20. Qg5 Bf8 21. Bxe4 Qxe4 22. Rxd7 Qxe2 23. Qd5 Qe6 24. Qxe6 Rxe6 25. Rxa7 Rxa7 26. Bxa7 Ra6 27. Bd4 Rxa2 28. Rc1 Ra8 29. Rc7 g6 30. Kg2 Bg7 31. Bxg7 Kxg7 32. Rb7 Ra1 33. b4 Rb1 34. g4 Rb3 35. f3 h6 36. Kg3 Rb1 37. h4 Rb3 38. b5 Rb4 39. b6 Rb3 40. Kf4 Rb4+ 41. Ke5 Rb1 42. Kd6 Rd1+ 43. Kc7 Rc1+ 44. Kb8 Rb1 45. Kc7 h5 46. gxh5 gxh5 47. Ra7 Rc1+ 48. Kb7 Rb1 49. Ra5 Kg6 50. Rg5+ Kh6 51. Kc6 f6 52. Rb5 Rc1+ 53. Kd7 Rd1+ 54. Ke6 Re1+ 55. Kxf6 Re8 56. b7 Rb8 0-1 | ||||
|
2025.02.25
Titled Tue 25th Feb Late
|
||||
| 166106 | Bokros, A (2376) | Costello, Alexander (2262) | 0-1 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d4 Bxd4 5. Nxd4 Nxd4 6. Be3 Nc6 7. Nc3 Nf6 8. g4 d6 9. f3 Be6 10. Bxe6 fxe6 11. Qe2 Nd4 12. Bxd4 exd4 13. Nd1 O-O 14. Nf2 Nd7 15. O-O-O c5 16. Nd3 c4 17. Nf2 Qg5+ 18. Kb1 Qc5 19. h4 Ne5 20. Rh3 Ng6 21. Rhh1 Nf4 22. Qd2 e5 23. Nh3 c3 24. bxc3 dxc3 25. Qc1 Ne2 0-1 | ||||
|
2024.06.18
Titled Tue 18th Jun Early
|
||||
| 495616 | Zemlyanskii, Ivan (2549) | Costello, Alexander (2219) | 1-0 | |
| 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. O-O c5 7. Qa4+ Nbd7 8. Ne5 a6 9. Nxg4 Nxg4 10. Qd1 Ngf6 11. a4 cxd4 12. exd4 Rc8 13. Bb3 Bd6 14. Nc3 O-O 15. Be3 Nb6 16. Qf3 Nbd5 17. Nxd5 Nxd5 18. Bxd5 exd5 19. g3 Be7 20. Rac1 Qd7 21. b3 h6 22. h4 Ba3 23. Rxc8 Rxc8 24. Re1 Bb4 25. Re2 Be7 26. Bf4 Bf6 27. Be5 Bxe5 28. Rxe5 Rd8 29. Kg2 Qd6 30. h5 Qd7 31. g4 b5 32. a5 b4 33. Qf4 Qc6 34. g5 hxg5 35. Rxg5 Qd6 36. Qg4 Qf6 37. Re5 Kh8 38. Rf5 Qe6 39. Qf4 f6 40. h6 g5 41. Rxf6 Qe7 42. Qf5 Rg8 43. Rf7 Qe4+ 44. Qxe4 dxe4 45. Ra7 Rg6 46. Rb7 Rxh6 47. Rb6 Rh7 48. Rxa6 Rd7 49. Rb6 Rxd4 50. a6 Rd8 51. a7 Ra8 52. Rb8+ Rxb8 53. axb8=Q+ 1-0 | ||||
|
2024.06.16
ch-Southern California
|
||||
| 503747 | Ali Marandi, C (2511) | Costello, Alexander (2219) | 0-1 | |
| 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. Nbd2 Ng6 7. h4 h5 8. e5 f6 9. Qe2 Kf7 10. Nc4 d5 11. exd6 Bxd6 12. Nfd2 Be7 13. Ne4 e5 14. Be3 Qd5 15. O-O-O Bf5 16. f3 Nf8 17. Rhe1 Ne6 18. Qf2 Rad8 19. Nc3 Qd7 20. f4 exf4 21. Bxf4 Bg4 22. Rd2 Nxf4 23. Qxf4 Bd6 24. Qf2 Rhe8 25. Ne4 Bf8 26. Rf1 Qd4 27. Qf4 Kg8 28. c3 Qd7 29. Ne3 Be6 30. c4 Qf7 31. g4 Rd4 32. Nc2 Rd7 33. gxh5 Qxh5 34. Ne3 Kh8 35. Kc2 Bg8 36. Nf5 Re5 37. Nfg3 Qe8 38. h5 Rf7 39. Nf5 Rd7 40. Nfg3 Rf7 41. Nf5 Rd7 42. Qg4 Qe6 43. h6 g6 44. Ne3 f5 45. Qh3 Be7 46. h7 Bf7 47. Qf3 Bd8 48. Qf4 fxe4 49. Qh6 Qe8 50. Ng4 Rh5 51. Qe3 exd3+ 52. Rxd3 Qxe3 53. Rxe3 Bg5 54. Re5 Bxc4 55. Rf8+ Kxh7 56. Ree8 Bf7 57. Ra8 Re7 58. Ne5 Bd5 59. Nd3 Rh2+ 60. Kc3 Kg7 61. Nxc5 Bf6+ 62. Kd3 Rh3+ 63. Kd2 Bxb2 64. Rfe8 Rxe8 65. Rxe8 Bd4 66. Nd3 Rh2+ 67. Ke1 Rxa2 68. Nf4 Bf7 69. Rd8 c5 70. Rd7 Kf6 0-1 | ||||
|
2024.06.16
ch-Southern California
|
||||
| 503748 | Costello, Alexander (2219) | Bryant, J (2404) | 1/2-1/2 | |
| 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. Re1 c6 11. h3 a5 12. Rb1 Nc5 13. b3 Qb6 14. Be3 Qb4 15. Qc2 Nfd7 16. Red1 a4 17. Nce2 Nf6 18. Nc3 Nfd7 19. Nce2 Nf6 20. Nc3 Nfd7 21. Nce2 Nf6 1/2-1/2 | ||||
|
2024.06.15
ch-Southern California
|
||||
| 503738 | Shlyakhtenko, Robert (2402) | Costello, Alexander (2219) | 1-0 | |
| 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 d6 6. Bd3 e5 7. Ne2 c5 8. O-O Nc6 9. e4 O-O 10. h3 b6 11. Be3 Ba6 12. f4 Nd7 13. fxe5 cxd4 14. cxd4 dxe5 15. d5 Nb4 16. Ng3 Rc8 17. Rc1 Nxa2 18. Ra1 Nb4 19. Ra4 Nxd3 20. Qxd3 Bb7 21. Rxa7 Qc7 22. Nf5 Nc5 23. Bxc5 Qxc5+ 24. Qe3 1-0 | ||||
|
2024.06.15
ch-Southern California
|
||||
| 503741 | Costello, Alexander (2219) | Eidelman, Gabriel (2376) | 0-1 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. d4 b5 8. dxe5 dxe5 9. Bb3 h6 10. c3 Bd6 11. Nbd2 O-O 12. h3 Qc8 13. Nf1 Rd8 14. Nh4 Be6 15. Qf3 Bxb3 16. axb3 Qe6 17. Qf5 a5 18. Qxe6 fxe6 19. Nf3 Nd7 20. Be3 Nc5 21. N1d2 Nd3 22. Reb1 Bc5 23. Bxc5 Nxc5 24. Kf1 Kf7 25. Ke2 Kf6 26. g3 g5 27. Rc1 Ra6 28. Ra3 Rb6 29. Ra2 h5 30. Rc2 Rbb8 31. Ra3 Rb6 32. Ra1 Nd7 33. Ne1 Rh8 34. Nd3 h4 35. Rh1 Rbb8 36. Rcc1 Rh7 37. Nf3 Ne7 38. gxh4 gxh4 39. Rhg1 c5 40. Nh2 Ng6 41. Ng4+ Kf7 42. Ne3 c4 43. bxc4 Nf4+ 44. Kd2 Rd8 45. Nxf4 exf4 46. Ng4 bxc4 47. Ke2 Nc5 48. Ne5+ Kf6 49. Nxc4 Nxe4 50. Nxa5 Rd2+ 51. Kf3 Kf5 52. Rgf1 Rg7 53. Nc4 Rg3+ 0-1 | ||||
|
2024.06.14
ch-Southern California
|
||||
| 503729 | Hakobyan, Eduard (2297) | Costello, Alexander (2219) | 1-0 | |
| 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O c6 7. d3 Bxc3 8. bxc3 d5 9. Nd2 Be6 10. Rb1 Qc7 11. Qb3 b6 12. cxd5 Bxd5 13. Qc2 Bxg2 14. Kxg2 c5 15. e4 Nbd7 16. Nc4 Rac8 17. a4 Qc6 18. f3 a6 19. Be3 Rb8 20. Rb2 Red8 21. Rfb1 Ne8 22. f4 f5 23. fxe5 fxe4 24. dxe4 Nc7 25. Rd1 Qe6 26. Qe2 b5 27. axb5 axb5 28. Rd6 Qe7 29. Rbd2 Ne8 30. Na5 Nxe5 31. Rxd8 Rxd8 32. Rxd8 Qxd8 33. Qxb5 Qa8 34. Nb7 Nf6 35. Qxc5 Qa2+ 36. Bf2 Nd3 37. Qc8+ Kf7 38. Nd6+ Ke7 39. Nf5+ Kf7 40. Qc7+ 1-0 | ||||
|
2024.06.14
ch-Southern California
|
||||
| 503734 | Costello, Alexander (2219) | Akopian, Vl (2586) | 1/2-1/2 | |
| 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. a3 Bxc3+ 7. bxc3 O-O 8. Ne2 c5 9. dxc5 Nbd7 10. Be3 Qe7 11. O-O Nxc5 12. Ng3 Nce4 13. Bd4 Be6 14. Re1 Qc7 15. Nh5 Nxh5 16. Qxh5 Qf4 17. f3 g6 18. Be5 Nf6 19. Qxh7+ Kxh7 20. Bxf4 Nd7 21. Be3 Rfc8 22. Bd4 Nc5 23. h4 Nxd3 24. cxd3 Re8 25. Kf2 Bf5 26. Red1 Bd7 27. g4 f5 28. Kg3 fxg4 29. fxg4 a6 30. Rf1 Kg8 31. Rf6 Re6 32. Raf1 Rae8 33. Rf7 R6e7 34. R7f3 Re1 35. Rxe1 Rxe1 36. Kf4 Re2 37. Kg5 Rg2 38. Rf4 b5 39. h5 gxh5 40. Kxh5 Rh2+ 41. Kg6 Rh4 42. Kg5 Rh7 43. Rf3 Rh2 44. Kf6 Rh6+ 45. Kg5 Rh7 46. Bf6 Rh2 47. Kf4 Rh6 48. Bd4 Rh7 49. Ke5 Rg7 50. Kxd5 Bxg4 51. Rf6 Be2 52. Rxa6 Rg4 53. c4 bxc4 54. dxc4 Rg5+ 55. Be5 Bxc4+ 56. Kxc4 Rxe5 57. Rf6 Re4+ 58. Kc5 Ra4 59. Rf3 Ra8 60. Kb6 Kg7 61. Kb5 Rb8+ 62. Kc4 Ra8 63. Kb4 Rb8+ 64. Kc3 Ra8 65. Kc4 Rc8+ 66. Kb5 Rb8+ 67. Ka6 Ra8+ 68. Kb7 Ra4 69. Rc3 Kf7 70. Kb6 Ke7 71. Kb5 Ra8 72. a4 Rb8+ 73. Kc5 Rc8+ 1/2-1/2 | ||||
|
2024.06.13
ch-Southern California
|
||||
| 503727 | Costello, Alexander (2219) | Khachiyan, M (2435) | 1/2-1/2 | |
| 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 Re8 9. h3 d6 10. Qd3 Na5 11. O-O Nxb3 12. axb3 b6 13. Nd5 Bb7 14. c4 a6 15. Bg5 e6 16. Nxf6+ Bxf6 17. Bxf6 Qxf6 18. b4 d5 19. exd5 exd5 20. c5 Re4 21. Rfd1 a5 22. Qc3 Rc8 23. Rac1 axb4 24. Qxb4 Kg7 25. f3 Rh4 26. c6 Bxc6 27. Qxb6 Ba4 28. Qxf6+ Kxf6 29. Rxc8 Bxd1 30. Nc2 Bxc2 31. Rxc2 Rb4 32. Re2 h5 33. Kf2 d4 34. h4 Rb3 35. g4 hxg4 36. fxg4 Rh3 37. Re4 Rh2+ 38. Kg3 Rd2 39. b4 d3 40. Kf3 Rh2 41. Rd4 Ke5 42. Rxd3 Rh3+ 43. Ke2 Rxh4 44. Re3+ Kd5 45. Rd3+ 1/2-1/2 | ||||
|
2024.06.11
Titled Tue 11th Jun Late
|
||||
| 507872 | Kujawski, A (2114) | Costello, Alexander (2219) | 1-0 | |
| 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Be3 Qc7 7. Nc3 e6 8. Nb5 Qb8 9. Bd3 a6 10. N5d4 Ne5 11. h3 Be7 12. O-O d5 13. f4 Nxd3 14. cxd3 dxe4 15. dxe4 Nxe4 16. f5 e5 17. Ne6 Qd6 18. Nxg7+ Kf8 19. Ne6+ Bxe6 20. fxe6 Qxe6 21. Qh5 Ng3 22. Qh6+ Qxh6 23. Bxh6+ Ke8 24. Rf3 Ne4 25. Re1 Nc5 26. Rxe5 Ne6 27. Ref5 f6 28. Rd5 Rd8 29. Rfd3 Rxd5 30. Rxd5 Rg8 31. Be3 Nc7 32. Rd3 f5 33. Kf2 Rg6 34. Bf4 Ne6 35. Bd2 1-0 | ||||
|
2024.06.11
Titled Tue 11th Jun Late
|
||||
| 507280 | Micic, Aleksa (2223) | Costello, Alexander (2219) | 1-0 | |
| 1. d4 d5 2. Nc3 Bf5 3. Bf4 e6 4. e3 Nf6 5. Bd3 Bg6 6. Nf3 a6 7. Ne5 Bxd3 8. cxd3 Nfd7 9. O-O Bd6 10. Qg4 O-O 11. Bg3 Nxe5 12. dxe5 Be7 13. f4 Nd7 14. d4 c5 15. f5 exf5 16. Rxf5 cxd4 17. exd4 Nb8 18. e6 fxe6 19. Rxf8+ Bxf8 20. Qxe6+ Kh8 21. Nxd5 Nc6 22. Be5 Nxe5 23. dxe5 Qe8 24. Qxe8 Rxe8 25. Re1 Kg8 26. e6 Bc5+ 27. Kf1 Rd8 28. b4 Bd6 29. e7 Re8 30. Re6 Bb8 31. Rb6 Kf7 32. Rxb7 Ke6 33. Rxb8 Rxb8 34. e8=Q+ Rxe8 35. Nc7+ Kd7 36. Nxe8 Kxe8 37. Ke2 Kd7 38. Kd3 Kc6 39. Kc4 g5 40. g4 1-0 | ||||
|
2024.06.11
Titled Tue 11th Jun Late
|
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| 507066 | Costello, Alexander (2219) | Lohani, Sujana (1806) | 0-1 | |
| 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 Re8 9. O-O d6 10. h3 Bd7 11. Qd2 Rc8 12. Rad1 a6 13. f4 Qa5 14. Nf3 b5 15. e5 b4 16. Na4 Ne4 17. Qe2 Ng3 18. Qd2 Nxf1 19. Rxf1 Be6 20. Nb6 Rb8 21. Bxe6 fxe6 22. Nc4 Qd5 23. Qe2 Na5 24. Ncd2 Qxa2 25. Ne4 Qc4 26. Qxc4 Nxc4 27. Bd4 dxe5 28. fxe5 Red8 29. b3 Na3 30. Rc1 Rbc8 31. Bb6 Rd5 32. Neg5 Rxc2 33. Re1 Rc6 34. Be3 Nc2 35. Re2 Bxe5 0-1 | ||||
|
2024.06.11
Titled Tue 11th Jun Late
|
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| 507548 | Costello, Alexander (2219) | Lenoir Ibacache, G (2228) | 1-0 | |
| 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. e4 d6 8. Be3 Be6 9. Be2 Rb8 10. Qc2 Qa5 11. O-O Nh6 12. Rac1 Ng4 13. Bxg4 Bxg4 14. f4 Bd7 15. b3 O-O 16. Ne2 Qc7 17. c5 Ra8 18. Nd4 d5 19. exd5 cxd5 20. c6 Bxd4 21. Bxd4 Bf5 22. Qd2 a5 23. Be5 Qa7+ 24. Kh1 Be4 25. f5 a4 26. f6 1-0 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
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| 515057 | Yeletsky, Ivan (2498) | Costello, Alexander (2219) | 1-0 | |
| 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Na3 e6 5. Nxc4 c5 6. g3 Nc6 7. Bg2 cxd4 8. O-O Bc5 9. a3 a5 10. Bg5 O-O 11. Rc1 Be7 12. Qb3 a4 13. Qb5 Nd5 14. Bxe7 Qxe7 15. Rfd1 Bd7 16. Nb6 Ra5 17. Nxd5 Rxb5 18. Nxe7+ Nxe7 19. Rc7 Rd8 20. Rxd4 Nd5 21. Rc2 Nb6 22. Ne1 e5 23. Rd6 Nc8 24. Rxd7 1-0 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
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| 515322 | Costello, Alexander (2219) | Demina, M (1962) | 1-0 | |
| 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. O-O Nc6 7. Be3 Qb6 8. b3 h5 9. Nc3 cxd4 10. Nxd4 Qb4 11. Ncb5 Rc8 12. Nxf5 exf5 13. Qxd5 Be7 14. Qd2 Qxd2 15. Bxd2 Nxe5 16. c4 a6 17. Nc3 Nf6 18. Bf4 Nc6 19. Rad1 O-O 20. Nd5 Nxd5 21. cxd5 Nb4 22. d6 Bd8 23. d7 Rc2 24. Bf3 Nxa2 25. Bd6 Nc3 26. Rd3 b5 27. Bxf8 Kxf8 28. Re1 Ne4 29. g3 Nf6 30. Rde3 1-0 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
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| 515626 | Schnaider, Ilan (2395) | Costello, Alexander (2219) | 0-1 | |
| 1. d4 d5 2. Nf3 Bf5 3. g3 Nf6 4. Bg2 e6 5. O-O c6 6. Nbd2 h6 7. c4 Nbd7 8. b3 Bd6 9. Bb2 O-O 10. Ne5 Qc7 11. f4 c5 12. e3 dxc4 13. Ndxc4 Be7 14. Rc1 Rad8 15. Qf3 Be4 16. Qf2 Bxg2 17. Qxg2 Qb8 18. Rfd1 Nd5 19. e4 Nb4 20. d5 exd5 21. exd5 Nf6 22. Ne3 Nxa2 23. Rc4 Nb4 24. N5g4 Nxg4 25. Nxg4 Qd6 26. Qe4 Rfe8 27. Be5 Qg6 28. f5 Qh5 29. Qf3 Qg5 30. h4 Qh5 31. Nf6+ Bxf6 32. Qxh5 Rxe5 33. d6 Re3 34. Rg4 Bd4 35. Rdxd4 cxd4 36. Qxh6 Re1+ 37. Kf2 Nd3+ 38. Kg2 Re2+ 39. Kf3 Re3+ 40. Qxe3 dxe3 41. Rd4 Ne5+ 42. Kxe3 Nc6 43. Rd5 Kf8 44. g4 Ke8 45. h5 Kd7 46. g5 Re8+ 47. Kf4 Re1 48. h6 gxh6 49. gxh6 f6 50. Rd2 Rh1 51. Rg2 Rxh6 52. Rg7+ Kxd6 53. Rxb7 Rh4+ 54. Kg3 Rb4 55. Rf7 Rxb3+ 56. Kg4 Ne5+ 57. Kh5 Nxf7 58. Kg6 Ke5 59. Kxf7 Kxf5 60. Ke7 Ke5 61. Kd7 f5 62. Kc6 f4 63. Kc5 Rd3 64. Kc4 0-1 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 515755 | Eugene, Floryan (2419) | Costello, Alexander (2219) | 1-0 | |
| 1. f4 d5 2. Nf3 c5 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nf6 7. Qe1 d4 8. a4 O-O 9. Na3 Nd5 10. Nc4 b6 11. e4 dxe3 12. c3 Bb7 13. Bxe3 Qc7 14. Bf2 Rad8 15. Qe2 e6 16. Rfe1 Nde7 17. Ng5 Nf5 18. Ne4 Rd7 19. g4 Nfe7 20. Bg3 Qd8 21. Rad1 Nd5 22. Qf2 Re8 23. Bh4 Qb8 24. Bg3 Qd8 25. Ne5 f6 26. Nxd7 Qxd7 27. Re2 Na5 28. Rde1 Qxa4 29. Nd6 Rd8 30. Nxb7 Nxb7 31. Rxe6 Qd7 32. f5 Na5 33. g5 fxg5 34. f6 Nxf6 35. Rxf6 Bxf6 36. Qxf6 1-0 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 515967 | Costello, Alexander (2219) | Uzuner, TC (1886) | 1-0 | |
| 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ 9. Ne2 h5 10. Bd2 Nd7 11. O-O-O b5 12. Ng3 Nb6 13. Nxh5 Be6 14. Kb1 Bg4 15. Ng3 Bxd1 16. Rxd1 Bxg3 17. hxg3 Nc4 18. Bf4 Qd5 19. f3 Nd6 20. Bh7+ Kf8 21. Rh1 g6 22. Bxg6 fxg6 23. Bxd6+ Kg7 24. Bf4 Qf5 25. Qxf5 gxf5 26. Rd1 Re2 27. Rd2 Rae8 28. Kc2 Kf7 29. b3 a6 30. c4 bxc4 31. bxc4 Rxd2+ 32. Kxd2 Rb8 33. Bxb8 Ke6 34. Bf4 1-0 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 516230 | Fiorito, Francisco (2407) | Costello, Alexander (2219) | 0-1 | |
| 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 f6 5. O-O Be6 6. Nbd2 Qd7 7. c4 d4 8. a3 a5 9. Rb1 Nh6 10. Ne4 Nf7 11. b4 axb4 12. axb4 Nxb4 13. Bd2 Nc6 14. Rxb7 Be7 15. Qb3 O-O 16. Qb5 Nfd8 17. Nc5 Bxc5 18. Nh4 Be7 19. Rb1 Ra2 20. Be1 Rxe2 21. Bd5 Kh8 22. Nf3 f5 23. Kf1 Ra2 24. Qb3 Ra6 25. Rb5 e4 26. dxe4 fxe4 27. Bxe4 Nf7 28. Kg1 Nd6 29. Rh5 Nxe4 30. Qd3 Bf5 31. Qe2 Bg6 32. Rd5 Qg4 33. Nxd4 Qxe2 34. Nxe2 Bd6 35. Nc3 Nxc3 36. Bxc3 Ne7 37. Rdd1 Bxb1 38. Rxb1 Rc6 39. Rb8 Rxb8 40. Kg2 Rc8 41. c5 Rxc5 42. Bd2 Rc4 43. Be3 Nd5 44. Bd2 Rc2 45. Bg5 h6 46. Kh3 hxg5 47. Kg4 Nf6+ 48. Kh3 Rxf2 49. g4 Rf3+ 50. Kg2 Rd3 51. h4 Ra8 52. hxg5 Ra2+ 53. Kh1 Rd1# 0-1 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 516435 | Adewumi, Tanitoluwa (2335) | Costello, Alexander (2219) | 1/2-1/2 | |
| 1. Nf3 d5 2. b3 c5 3. e3 a6 4. Bb2 Nc6 5. g3 Nf6 6. Bg2 e6 7. O-O Be7 8. d4 O-O 9. Nbd2 b5 10. dxc5 Bxc5 11. c4 Bb7 12. cxd5 Nxd5 13. Ne4 Be7 14. Rc1 Qb6 15. Nd4 Rac8 16. Nxc6 Bxc6 17. Qg4 g6 18. Bd4 Qb7 19. Nc5 Bxc5 20. Rxc5 Nb4 21. Qh4 e5 22. Bxe5 f6 23. Bxc6 Rxc6 24. Qxb4 fxe5 25. Rxc6 Qxc6 26. Qe7 Qd5 27. Re1 Qd2 28. Qe6+ Rf7 29. Qe8+ Rf8 30. Qe6+ Rf7 31. Rf1 Qxa2 32. h4 a5 33. Kh1 g5 34. Rd1 Qxf2 35. Rd8+ Kg7 36. Qxe5+ Qf6 37. Qxg5+ Qxg5 38. hxg5 Rf3 39. Rd5 Rxe3 40. Rxb5 Rxg3 41. Kh2 Rc3 42. Kg2 Kg6 43. Kf2 Rc2+ 44. Kf3 Ra2 45. Kg4 a4 46. Rb6+ Kg7 47. Rb7+ Kg6 48. Rb6+ Kg7 49. bxa4 Rxa4+ 50. Kh5 Ra5 51. Rb7+ Kg8 52. Rb8+ Kg7 53. Rb7+ Kg8 54. Re7 Ra1 55. Re8+ Kg7 56. Re7+ Kg8 57. Re4 Rh1+ 58. Kg4 Rg1+ 59. Kf5 Rf1+ 60. Kg4 Kg7 61. Re7+ Kg6 62. Re6+ Kg7 63. Rh6 Rg1+ 64. Kf4 Rf1+ 1/2-1/2 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 516473 | Costello, Alexander (2219) | Jakubowski, K (2457) | 1-0 | |
| 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8. O-O-O Ne5 9. Qg3 h5 10. f4 Neg4 11. Bg1 Bb4 12. e5 Bxc3 13. exf6 Bxd4 14. Bxd4 g6 15. Bd3 Nh6 16. Rhe1 b5 17. Be5 Qa5 18. Be4 Ra7 19. Qe3 Rb7 20. Bxb7 Bxb7 21. Qa7 Bc8 22. Qc5 Bb7 23. Qe7# 1-0 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 516739 | Costello, Alexander (2219) | Krzyzanowski, M (2517) | 0-1 | |
| 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Bd3 Bc6 6. Nf3 Nd7 7. O-O Bxe4 8. Bxe4 c6 9. Bf4 Ngf6 10. Bd3 Be7 11. c3 O-O 12. h3 Re8 13. Bc2 g6 14. Qd3 Nd5 15. Bh2 Bf8 16. Rad1 a5 17. a3 b5 18. Rfe1 N5b6 19. Bb3 Rc8 20. Qe4 a4 21. Ba2 Qf6 22. Bg3 h6 23. Qe2 Nd5 24. Nd2 Qd8 25. Ne4 N7b6 26. Be5 f5 27. Nd2 Bg7 28. Bh2 g5 29. Nf3 Qf6 30. Ne5 Kh7 31. Nd3 f4 32. Qe4+ Qg6 33. Qxg6+ Kxg6 34. Kh1 Kf7 35. Bg1 Nc4 36. Bxc4 bxc4 37. Nc5 Bf8 38. Nxa4 Ra8 39. Nc5 Bxc5 40. dxc5 Reb8 41. Re2 f3 42. gxf3 Rb5 43. f4 Nxf4 44. Red2 Nd3 45. f3 Rb3 46. Bd4 Kg6 47. Re2 Kf5 48. Kg2 Rab8 49. Kg3 Rxb2 50. Rdd2 Rxd2 51. Rxd2 Rb1 52. Ra2 Nc1 0-1 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 516903 | Arabidze, M (2457) | Costello, Alexander (2219) | 1/2-1/2 | |
| 1. Nf3 d5 2. c4 d4 3. b4 c5 4. b5 g6 5. g3 Bg7 6. Bg2 e5 7. d3 Ne7 8. O-O O-O 9. a4 Nd7 10. a5 Rb8 11. Ra2 b6 12. e3 dxe3 13. fxe3 Bb7 14. e4 Re8 15. Nc3 Nf8 16. Nd5 h6 17. Be3 Ne6 18. Qd2 Kh7 19. Bh3 Nf8 20. axb6 axb6 21. Ra7 Ne6 22. Nh4 Rf8 23. Nf3 Nc8 24. Ra2 Nd6 25. Qc1 Bxd5 26. exd5 Nd4 27. Raf2 f5 28. Bxd4 cxd4 29. Rd1 h5 30. Ng5+ Kg8 31. Ne6 Qf6 32. Nxf8 Rxf8 33. c5 bxc5 34. Qxc5 e4 35. Bf1 e3 36. Rf3 Rc8 37. Qb4 Rc2 38. b6 Qe7 39. Qb3 Rd2 40. Re1 Bh6 41. h4 f4 42. gxf4 Qxh4 43. Re2 Qg4+ 44. Rg2 Qxf3 45. b7 Rxg2+ 46. Bxg2 Qf2+ 47. Kh1 Qh4+ 48. Kg1 Qe1+ 49. Kh2 Qh4+ 50. Kg1 Nxb7 51. d6+ Kg7 52. Qxb7+ Kf6 53. Qf3 Qe1+ 54. Kh2 Qh4+ 55. Kg1 Qe1+ 56. Bf1 Qf2+ 57. Qxf2 exf2+ 58. Kxf2 Bxf4 59. d7 Ke7 60. Bh3 g5 61. Bf5 g4 62. Kg2 Bc7 63. Kf2 Kf6 64. Be4 Kg5 65. Bd5 h4 66. Kg2 Kf4 67. Kf2 h3 68. Be4 g3+ 69. Kg1 Ke3 70. Kh1 g2+ 71. Kg1 Bd8 72. Bd5 Kxd3 73. Bf3 Kc3 74. Bg4 h2+ 75. Kxh2 d3 76. Kxg2 d2 77. Kf1 Kc2 78. Bf3 d1=Q+ 79. Bxd1+ Kxd1 80. Kf2 Kd2 81. Kf3 Kd3 82. Kf4 Kc4 83. Kf5 Kc5 84. Ke6 Kc6 85. Kf7 Kxd7 1/2-1/2 | ||||
|
2024.06.04
Titled Tue 4th Jun Late
|
||||
| 517031 | Costello, Alexander (2219) | Manvelyan, Mikayel (2289) | 1-0 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Bc5 10. Be3 O-O 11. Rd1 Bxe3 12. Qxe3 f6 13. Nbd2 Nxd2 14. Rxd2 fxe5 15. Nxe5 Qd6 16. Nxc6 Qxc6 17. Qxe6+ Qxe6 18. Bxd5 Qxd5 19. Rxd5 Rae8 20. Kf1 Kf7 21. a4 c6 22. Rd6 Re6 23. Rxe6 Kxe6 24. axb5 axb5 25. Ra7 Rd8 26. Ke2 Kf6 27. Rc7 Rd6 28. Ke3 h5 29. h4 g6 30. f3 Ke5 31. g4 hxg4 32. fxg4 Re6 33. Rf7 c5 34. Kf3 b4 35. g5 b3 36. cxb3 Rb6 37. Kg4 Rb4+ 38. Kg3 Rxb3+ 39. Kg4 Rb4+ 40. Kh3 Rxb2 41. Rf6 Rb3+ 42. Kg4 Rb4+ 43. Kg3 Rb3+ 44. Kf2 Rh3 45. Rxg6 Rxh4 46. Rf6 Rg4 47. Rc6 Kd5 48. Rf6 Rxg5 49. Ke3 Rg6 50. Rxg6 Kc4 51. Kd2 Kb4 52. Kc1 Kc3 53. Rg4 c4 54. Rg3+ Kd4 55. Kc2 Ke4 56. Kc3 Kf4 57. Rg1 Kf3 58. Ra1 Kf2 59. Ra4 Ke3 60. Rxc4 Kf3 61. Rd4 Ke2 62. Rd8 Ke3 63. Re8+ Kf4 64. Kd4 Kf5 65. Kd5 Kf4 66. Re7 Kf3 67. Kd4 Kg4 68. Rf7 Kg5 69. Ke5 Kg6 70. Rf2 Kg5 71. Rg2+ Kh4 72. Kf5 Kh3 73. Rg8 Kh4 74. Rg7 Kh3 75. Kf4 Kh4 76. Rh7# 1-0 | ||||
|
2023.07.27
56th Biel Master Open
|
||||
| 869894 | Matsumura, Cocoro (2081) | Costello, Alexander (2224) | 0-1 | |
| 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Nc3 a6 6. Bxc6 Nxc6 7. d4 cxd4 8. Nxd4 Qc7 9. Nxc6 Qxc6 10. Qd4 b5 11. Bf4 f6 12. Qd3 Bb7 13. Rad1 Bc5 14. a3 Rd8 15. Bd6 Bxd6 16. Qxd6 Qxd6 17. Rxd6 Bc6 18. f3 Ke7 19. Rfd1 Rhf8 20. Ne2 e5 21. Nc1 f5 22. exf5 Rxf5 23. Na2 Rf6 24. R6d3 d6 25. Nb4 Bb7 26. a4 Rf4 27. c3 bxa4 28. Ra1 a5 29. Nd5+ Bxd5 30. Rxd5 Ra8 31. Rad1 Ra6 32. Rb5 Ke6 33. Rb7 a3 34. bxa3 Ra4 35. Rxg7 Rxa3 36. Rxh7 Rxc3 37. Rd2 a4 38. Rb7 Rb3 39. Rb2 Rxb7 40. Rxb7 a3 41. Rb1 a2 42. Ra1 Kf5 43. Kf2 d5 44. h4 d4 45. g4+ Kf6 46. Ke2 Ra3 47. Kf2 Ke6 48. Ke2 e4 49. fxe4 Rh3 50. Kf2 Rh2+ 51. Kg3 Rb2 52. h5 d3 53. h6 Kf7 54. e5 Rb3 55. e6+ Kxe6 56. h7 d2+ 57. Kf2 Rh3 58. Ke2 Rh2+ 59. Ke3 Kd5 60. h8=Q Rxh8 61. Kxd2 Kc4 62. Ke3 Kb3 63. g5 Rh4 64. Rg1 Kb2 65. Rg2+ Ka3 66. Rg1 Rb4 67. g6 Rb1 68. Rg5 Kb4 69. g7 a1=Q 70. Rg4+ Kb5 71. g8=Q Qe5+ 72. Kf2 Qf5+ 73. Ke2 Rb2+ 74. Ke3 Qf2+ 0-1 | ||||
|
2023.07.26
56th Biel Master Open
|
||||
| 869847 | Costello, Alexander (2224) | Prieb, Robert (2060) | 1/2-1/2 | |
| 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c5 5. d4 Nc6 6. a3 dxc4 7. Bxc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Qd3 b6 11. Bg5 Bb7 12. Rad1 Nd5 13. Ne4 Nf6 14. Bxf6 Bxf6 15. d5 exd5 16. Bxd5 Na5 17. Bxb7 Qxd3 18. Rxd3 Nxb7 19. Nxf6+ gxf6 20. Rfd1 Rfd8 21. Kf1 Kf8 22. b4 Rxd3 23. Rxd3 Rd8 24. Nd4 Rd5 25. Ke2 Nd8 26. f4 Ke8 27. Nf3 Rxd3 28. Kxd3 Kd7 29. Ke4 Nb7 30. Kd5 Nd6 31. Nd4 a6 32. a4 Ne8 33. Nf5 Nc7+ 34. Ke4 a5 35. bxa5 bxa5 36. Nd4 Na8 37. Kf5 Ke7 38. Nc6+ Kf8 39. Kxf6 Nb6 40. Nxa5 Nxa4 41. Nc4 Nc3 42. Ke5 Ke7 43. Nb6 f6+ 44. Kd4 Ne2+ 45. Ke4 Nc3+ 46. Kd3 Nb5 47. Kc4 Nd6+ 48. Kd5 Nb5 49. Nc4 Nc3+ 50. Kd4 Ne2+ 51. Ke4 Ke6 52. Kf3 Nd4+ 53. Kg4 Ne2 54. g3 Nd4 55. Ne3 Kf7 56. Kh5 Nf3 57. h4 Nd4 58. Kh6 Ne2 59. Nf1 Kg8 60. f5 Kh8 61. g4 Nd4 62. Nd2 Kg8 63. Ne4 Kh8 64. Nc5 Nf3 65. Kh5 Kg7 66. g5 fxg5 67. hxg5 Kf7 68. Ne6 Ne5 69. Kh6 Kg8 70. Nd8 Ng4+ 71. Kh5 Ne3 72. f6 Kh8 73. Kh4 Kg8 74. Kg3 Nd5 75. Kg4 Ne3+ 76. Kf4 Ng2+ 77. Ke5 Kf8 78. Ke6 Nf4+ 79. Kf5 Ng2 80. Nc6 Ne3+ 81. Ke6 Ng2 82. Ne5 Nf4+ 83. Kf5 Nd5 84. Kg4 h6 85. Ng6+ Kf7 86. Nh8+ Kf8 87. Ng6+ Kf7 88. Ne7 Nxf6+ 1/2-1/2 | ||||
|
2023.07.25
56th Biel Master Open
|
||||
| 869790 | Morawietz, D (2396) | Costello, Alexander (2224) | 1-0 | |
| 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 c5 7. e3 Nc6 8. Nf3 Bg7 9. cxd5 Qxd5 10. Be2 cxd4 11. cxd4 Qa5+ 12. Qd2 Be6 13. Rb1 b6 14. Bb5 Bd7 15. O-O Qxd2 16. Nxd2 Na5 17. Ba6 Bc6 18. Nb3 Nxb3 19. Rxb3 e5 20. Rc3 Bd7 21. Rc7 Be6 22. Bb7 Rb8 23. Bc6+ Kf8 24. d5 Bf5 25. Be7+ Kg8 26. d6 Bf8 27. Bd5 Kg7 28. e4 Bc8 29. Rfc1 Ba6 30. Rxa7 Bxe7 31. Rxe7 Rbd8 32. Rxf7+ Kh6 33. Rc6 Bb7 34. Rxb7 1-0 | ||||
|
2023.07.24
56th Biel Master Open
|
||||
| 877423 | Costello, Alexander (2224) | Collin, Moritz Valentin (2132) | 1-0 | |
| 1. c4 e5 2. Qc2 Nf6 3. e3 Nc6 4. a3 a5 5. Nc3 Bc5 6. Be2 O-O 7. Bf3 Ne7 8. Nge2 d6 9. O-O Bf5 10. d3 c6 11. Ne4 Ng6 12. N2g3 Be6 13. Nxc5 dxc5 14. b3 Nd7 15. Be2 f5 16. f4 Qc7 17. Bb2 exf4 18. Nh5 fxe3 19. Nxg7 Qd6 20. d4 cxd4 21. Bxd4 f4 22. Rad1 Qe7 23. Qe4 Bf5 24. Nxf5 Qg5 25. Qe6+ Rf7 26. Nd6 1-0 | ||||
|
2023.07.23
56th Biel Master Open
|
||||
| 877368 | Sukandar, I (2358) | Costello, Alexander (2224) | 1-0 | |
| 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. O-O Ng6 7. e5 Be7 8. Nc3 f6 9. exf6 gxf6 10. Bh6 e5 11. Nd2 Qb6 12. Qh5 Rg8 13. Be3 d6 14. f4 Kd8 15. Qxh7 Be6 16. f5 Nf8 17. Qh5 Bd7 18. Nce4 Be8 19. Qh6 Nd7 20. Qh7 Rf8 21. Rab1 Rf7 22. Qh8 d5 23. Ng3 a5 24. a3 Qc7 25. Nh5 Bf8 26. Bh6 Qd6 27. Rbe1 Rb8 28. b3 Qe7 29. Nf4 Rh7 30. Ne6+ Kc8 31. Bxf8 Qf7 32. Qxh7 Qxh7 33. Bd6 Rb7 34. Rf2 Bf7 35. Re3 Qg8 36. Nxc5 Nxc5 37. Bxc5 Bh5 38. b4 a4 39. Nf1 Rg7 40. Ng3 Be8 41. Re1 Rg5 42. Rc1 Bf7 43. Rb1 Rg4 44. Ne2 d4 45. h3 Rh4 46. Kh2 Bd5 47. c4 dxc3 48. Nxc3 Rf4 49. Rbf1 Kb7 50. g4 Rxf2+ 51. Rxf2 Qg5 52. Nxa4 Qc1 53. Nb6 Qd1 54. Nxd5 cxd5 55. g5 Qh5 56. gxf6 d4 57. f7 Qxf7 58. f6 Kc6 59. a4 Kd5 60. a5 e4 61. dxe4+ Kxe4 62. a6 Ke3 63. a7 Qc7+ 64. Kg2 Qc6+ 65. Kg1 Qd5 66. f7 Qg5+ 67. Rg2 1-0 | ||||
|
2023.07.21
56th Biel Master Open
|
||||
| 877322 | Costello, Alexander (2224) | Seul, G (2376) | 1/2-1/2 | |
| 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Nf3 Bxc5 6. Bd3 Ne7 7. O-O Ng6 8. a3 Be7 9. Re1 Nc6 10. b4 f6 11. Bxg6+ hxg6 12. Qd3 O-O 13. Bb2 g5 14. h3 a5 15. bxa5 Rxa5 16. Nbd2 Ra4 17. c4 dxc4 18. Qc2 b5 19. exf6 Bxf6 20. Ne4 Qd3 21. Qc1 c3 22. Nxf6+ gxf6 23. Qxc3 Qxc3 24. Bxc3 e5 25. Reb1 Ba6 26. Nd2 1/2-1/2 | ||||
|
2023.07.20
56th Biel Master Open
|
||||
| 877283 | Akshit, Kumar J (2105) | Costello, Alexander (2224) | 0-1 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. a4 d6 7. O-O h6 8. Nbd2 O-O 9. h3 Ba7 10. Re1 Re8 11. b4 Be6 12. Qc2 Qd7 13. Bxe6 Rxe6 14. Nc4 d5 15. exd5 Qxd5 16. Ne3 Bxe3 17. Rxe3 Qd7 18. Qb2 Nd5 19. b5 axb5 20. axb5 Rxa1 21. Qxa1 Nxe3 22. bxc6 Qxd3 23. Bxe3 bxc6 24. Qa5 Qd6 25. Nh4 Kh7 26. Nf5 Qd3 27. g4 Qd7 28. Qb4 h5 29. Kh2 g6 30. Nh6 hxg4 31. hxg4 f6 32. Kg3 Kg7 33. Qb3 Re8 34. Qc4 f5 35. gxf5 gxf5 36. Bg5 Kg6 37. f4 e4 38. Kh4 Kh7 39. Nf7 Qd2 40. Bf6 Qh2+ 41. Kg5 Qg3+ 0-1 | ||||
|
2023.07.19
56th Biel Master Open
|
||||
| 877220 | Costello, Alexander (2224) | Vantika, Agrawal (2428) | 0-1 | |
| 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Bg5 Rc8 8. Nc3 h6 9. Bh4 e5 10. Qd3 g5 11. Bg3 Qc7 12. Nd2 Nf6 13. O-O-O b5 14. a3 Be6 15. h4 g4 16. f3 h5 17. Kb1 gxf3 18. gxf3 Bh6 19. Bf2 Ke7 20. Rhe1 Rhg8 21. Re2 Rg6 22. Be3 Bxe3 23. Rxe3 Rg2 24. Ree1 Qb6 25. f4 Qd4 26. fxe5 dxe5 27. Nf3 Qxd3 28. Rxd3 Nd7 29. Kc1 f6 30. Rd2 Rg3 31. Rf2 Nb6 32. Nd1 Nc4 33. Ne3 Nd6 34. Nd2 Rcg8 35. Nd5+ Bxd5 36. exd5 Rg1 37. Kd1 Rxe1+ 38. Kxe1 Rg4 39. Nf3 Nf5 40. Ng5 Rg1+ 41. Kd2 Nd6 42. Nf3 Rg4 43. Re2 Nc4+ 44. Ke1 Rf4 45. Ng5 fxg5 46. b3 Nxa3 47. Rxe5+ Kd6 48. Re6+ Kxd5 49. Rxa6 Nxc2+ 50. Kd1 Nb4 51. Ra5 Kc5 52. hxg5 Rg4 0-1 | ||||
|
2023.07.18
56th Biel Master Open
|
||||
| 877191 | Stijve, Niels (2088) | Costello, Alexander (2224) | 0-1 | |
| 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Qd2 Bb4 9. f3 d5 10. a3 Bxc3 11. Qxc3 e5 12. Bg5 d4 13. Qd2 Nb8 14. Rc1 Be6 15. Bd3 Nbd7 16. O-O O-O 17. f4 Qb6 18. Na5 exf4 19. Rxf4 Ng4 20. Nc4 Qc5 21. Bh4 Rac8 22. h3 Bxc4 23. hxg4 Bxd3 24. Qxd3 Ne5 25. Qf1 Ng6 26. Rf5 Qc6 27. Bg3 Qxe4 28. c4 dxc3 29. bxc3 Qxg4 30. Bd6 Rfd8 31. Bb4 f6 32. Rf2 Ne5 33. Rf4 Qg3 34. Rc2 Ng4 35. Qf3 Qh2+ 36. Kf1 Qh1+ 37. Ke2 Qd1# 0-1 | ||||
|
2023.07.17
56th Biel Master Open
|
||||
| 888233 | Costello, Alexander (2224) | Rodrigue-Lemieux, Shawn (2495) | 0-1 | |
| 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O 9. Qc2 Rd8 10. a3 Bf8 11. Rd1 Ne7 12. c5 b6 13. b4 Bd7 14. Ba6 Rab8 15. O-O bxc5 16. bxc5 e5 17. Be2 exd4 18. Nxd4 Be8 19. Ncb5 Rb7 20. Rc1 a6 21. Nc3 Nc6 22. Rfd1 Ne5 23. e4 dxe4 24. Qxe4 c6 25. Na4 Rbd7 26. Nf5 g6 27. Rxd7 gxf5 28. Rxd8 fxe4 29. Rxe8 Nd3 30. Bxd3 exd3 31. Nb6 Kg7 32. Nd7 d2 33. Rd1 Qf5 34. Re2 Qxd7 35. Rdxd2 Qf5 36. Rc2 Bxc5 37. g3 Bxa3 38. Rxc6 Bc5 39. Rc7 Qb1+ 40. Kg2 Qb6 0-1 | ||||
|
2023.06.18
National Open 2023
|
||||
| 922734 | Costello, Alexander (2186) | Tang, Zoey (2348) | 1-0 | |
| 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O e6 8. f4 Bb7 9. Qe2 Qc7 10. Nd2 Be7 11. e5 dxe5 12. fxe5 Nd7 13. Nc4 Nc5 14. Qg4 Nxd3 15. cxd3 O-O-O 16. Be3 h5 17. Qe2 Ba6 18. Rxf7 Bxc4 19. dxc4 Rd7 20. Bf2 g5 21. Kh1 g4 22. Re1 Rhd8 23. Qe4 Kb8 24. Bg3 Rd1 25. Rff1 R1d2 26. Qg6 Qb7 27. c5 Qd7 28. Bf4 Rxb2 29. Bc1 Rb7 30. Qxh5 g3 31. Rd1 Qc8 32. Rxd8 Qxd8 33. Rd1 Qg8 34. Qf3 Rc7 35. Be3 gxh2 36. Qe4 Ka8 37. Rf1 Rc8 38. Qd3 Rc7 39. Bd2 Bxc5 40. Ba5 Rb7 41. Qc4 Rb2 42. Qe4 Kb7 43. Bc3 Rf2 44. Rb1+ Kc7 45. Ba5+ Bb6 46. Bb4 Qg5 47. Bd6+ Kb7 48. a4 Rb2 49. a5 Qe3 50. Qh7+ Ka6 51. axb6 Rxb1+ 52. Qxb1 axb6 53. Kxh2 Qh6+ 54. Kg3 Qe3+ 55. Kh4 Qf4+ 56. Kh5 Qh2+ 57. Kg6 Qxg2+ 58. Kf7 Qd5 59. Qg6 b5 60. Qxe6 Qf3+ 61. Ke7 Qg2 62. Kd8 Kb6 63. Qf7 Qg5+ 64. Kc8 Qg4+ 65. Kb8 b4 66. Qb7+ Ka5 67. Qxb4+ Qxb4+ 68. Bxb4+ Kxb4 69. e6 1-0 | ||||
|
2023.06.17
National Open 2023
|
||||
| 922666 | Chasin, Nico (2459) | Costello, Alexander (2186) | 1-0 | |
| 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. a3 d5 6. Bg5 Be7 7. e3 O-O 8. Bxf6 Bxf6 9. cxd5 exd5 10. Qb3 c6 11. Bd3 Na6 12. O-O Nc7 13. a4 Ne6 14. a5 Rb8 15. a6 Ba8 16. Rfd1 Qe7 17. Qa4 c5 18. Bb5 Rfc8 19. Rac1 Nc7 20. b3 Nxb5 21. Qxb5 Bc6 22. Qe2 Rd8 23. Qa2 Rbc8 24. Ne2 Bb5 25. Nc3 Bc6 26. Ne2 Bb5 27. Nf4 c4 28. Nd2 c3 29. Nb1 c2 30. Rxc2 Rxc2 31. Qxc2 Bxa6 32. Qa2 Bb5 33. Nc3 Bc6 34. b4 Qd7 35. Ra1 Be7 36. b5 Bxb5 37. Nfxd5 Bf8 38. Qxa7 Qxa7 39. Rxa7 Rc8 40. h4 Bd6 41. Rb7 Ra8 42. g3 Bd3 43. Rxb6 Bf8 44. Nf4 Bf5 45. e4 Bg4 46. Kg2 Ra3 47. Rc6 Bb4 48. Nfd5 Ba5 49. Ra6 h6 50. Ne3 Bd7 51. Ncd5 Bb5 52. Ra8+ Kh7 53. Ra7 Bd3 54. Kf3 Ra2 55. Nb4 Be2+ 56. Kg2 Rb2 57. Rxa5 Rxb4 58. Rd5 Bd3 59. Kf3 Rb3 60. Rd6 f5 61. Nxf5 Bc2+ 62. Ne3 1-0 | ||||
|
2023.06.16
National Open 2023
|
||||
| 922640 | Costello, Alexander (2186) | Heimann, M (2426) | 1/2-1/2 | |
| 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 Bd6 5. Bb2 O-O 6. d4 b6 7. Nbd2 Bb7 8. Bd3 Ne4 9. O-O Nd7 10. cxd5 exd5 11. Ne5 Qe7 12. f4 Nxd2 13. Qxd2 f6 14. Nf3 Rfe8 15. Kf2 Nf8 16. g4 c5 17. Rac1 Ne6 18. h4 cxd4 19. Nxd4 Nc5 20. g5 Ba6 21. Rxc5 Bxd3 22. Qxd3 Bxc5 23. Rg1 g6 24. h5 Kf7 25. b4 Bxd4 26. Qxd4 Rac8 27. Qxd5+ Qe6 28. Qxe6+ Kxe6 29. Bxf6 gxh5 30. Kf3 Rc2 31. e4 Kf7 32. f5 h4 33. Rh1 h6 34. Rxh4 hxg5 35. Bxg5 Rxa2 36. Rh7+ Kg8 37. Rd7 Ra1 38. f6 Re6 39. e5 Rf1+ 40. Ke4 a5 41. bxa5 bxa5 42. Ra7 Re1+ 43. Kf5 R1xe5+ 44. Kg6 Rxg5+ 45. Kxg5 Re1 1/2-1/2 | ||||
|
2023.06.15
National Open 2023
|
||||
| 922572 | Wen, Tommy (2433) | Costello, Alexander (2186) | 1-0 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. a4 Rb8 16. Nxe5 Nxe5 17. f4 Ng6 18. Nf3 Bh4 19. Rf1 Bg3 20. Nh2 f5 21. Ra3 Qh4 22. Nf3 Qh5 23. Ng5 Qxd1 24. Bxd1 Bh4 25. exf5 Bxf5 26. g4 Bd7 27. Ne4 Be7 28. f5 Ne5 29. Bf4 b4 30. Ra1 Nd3 31. b3 Nxf4 32. Rxf4 Bf6 33. Nxf6+ gxf6 34. Be2 a5 35. Kf2 Rfe8 36. Bd3 Re5 37. Kf3 Rbe8 38. Re4 Kf8 39. Rxe5 Rxe5 40. Be4 Bc8 41. Kf4 Ba6 42. Rc1 Ke7 43. h4 h6 44. Rc2 Kd7 45. Bf3 Kc7 46. Rd2 Bc8 47. Re2 Bd7 48. Rxe5 dxe5+ 49. Ke4 Kd6 50. Be2 Be8 51. Ba6 Bf7 52. Bb7 c4 53. bxc4 Be8 54. g5 hxg5 55. hxg5 fxg5 56. c5+ Kxc5 57. Kxe5 b3 58. d6 b2 59. Be4 Bc6 60. Bd3 g4 61. f6 g3 62. f7 b1=Q 63. Bxb1 g2 64. f8=Q g1=Q 65. d7+ Kc4 66. Ba2+ Kc3 67. Qa3+ 1-0 | ||||
|
2022.11.23
US Chess Masters 2022
|
||||
| 1118295 | Theodorou, Nikolas (2598) | Costello, Alexander (2224) | 1-0 | |
| 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. h5 c5 7. h6 Bf6 8. e4 Nxc3 9. dxc3 Qc7 10. Bb5+ Bd7 11. Bxd7+ Nxd7 12. O-O O-O 13. Qe2 Rfd8 14. Be3 c4 15. Rad1 Qc6 16. Bf4 e5 17. Bg3 Qe6 18. Rd5 Nb6 19. Ra5 Qg4 20. Bxe5 Bxe5 21. Rxe5 Rd3 22. Re7 Nd7 23. b3 b5 24. bxc4 bxc4 25. Qb2 Rd8 26. Nd4 Rd1 27. g3 Rd3 28. Kg2 Qg5 29. Nc6 Qf6 30. Qb7 Qf3+ 31. Kg1 Qg4 32. Qc7 Rf8 33. Nb4 Rd1 34. Nd5 Rxf1+ 35. Kxf1 Qh3+ 36. Kg1 Nb6 37. Rxf7 Rxf7 38. Nf6+ 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130766 | Costello, Alexander (2224) | Mikhailov, Vi (2428) | 1-0 | |
| 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 d6 6. d4 cxd4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. Be3 Nf6 10. f3 O-O 11. Qd2 Rb8 12. Rab1 Qc7 13. Rfd1 c5 14. Nde2 Be6 15. b3 Nd7 16. Nf4 Nb6 17. a4 Qb7 18. a5 Nd7 19. Ncd5 Bxd5 20. Nxd5 Nf6 21. Bh6 Nxd5 22. Bxg7 Kxg7 23. exd5 Rfe8 24. Re1 Qb4 25. Rbd1 Qxd2 26. Rxd2 Rb5 27. Ra1 Rb4 28. Kf2 Kf6 29. Re2 Rd4 30. c4 Rb8 31. Rae1 Rxb3 32. Rxe7 Rb2+ 33. Kg3 Rdd2 34. Rd7 Rxg2+ 35. Kf4 Rxh2 36. Rxd6+ Kg7 37. Rc6 Rh4+ 38. Ke5 Rxc4 39. Rd1 Re2+ 40. Kd6 Rd4 41. Rxd4 cxd4 42. Rc4 d3 43. Rd4 d2 44. Kc7 Kf6 45. d6 Ke5 46. Rd3 d1=Q 47. Rxd1 Rc2+ 48. Kb7 Rb2+ 49. Kxa7 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130653 | Koc, P (2346) | Costello, Alexander (2224) | 1-0 | |
| 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Bf5 5. f3 Nf6 6. g4 Bg6 7. h4 h6 8. h5 Bh7 9. c3 c5 10. Qb3 Qb6 11. dxc5 Qxb3 12. axb3 Nc6 13. b4 e5 14. Bg3 Be7 15. b5 Nb8 16. Bxe5 Nbd7 17. Bd6 Nxc5 18. Bxe7 Kxe7 19. Nh3 Rhe8 20. Nf4 Kd6 21. Kf2 Nfd7 22. Rd1 Bc2 23. Nc4+ Ke7 24. Nxd5+ Kf8 25. Rd2 Bb3 26. e4 Bxc4 27. Bxc4 Rac8 28. Be2 Ne5 29. Ne3 Red8 30. Rhd1 Rxd2 31. Rxd2 Ke8 32. Nf5 Nxg4+ 33. fxg4 Nxe4+ 34. Ke3 Nxd2 35. Nd6+ Kd7 36. Nxc8 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130567 | Costello, Alexander (2224) | Sadovsky, Artem (2276) | 1-0 | |
| 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d5 5. h3 dxe4 6. Nxe4 Nd7 7. Bf4 Ngf6 8. Nxf6+ Nxf6 9. Bd3 O-O 10. O-O Nd5 11. Bd2 b5 12. a4 Qb6 13. axb5 cxb5 14. Qe2 b4 15. c4 bxc3 16. bxc3 a5 17. Rfb1 Qc7 18. c4 Nf4 19. Bxf4 Qxf4 20. Qe4 Qxe4 21. Bxe4 Ra7 22. Bc6 Bf5 23. Rb5 a4 24. Ra3 Rc8 25. d5 Bb2 26. Rxb2 Kg7 27. Nd4 Bd7 28. Nb5 Rb8 29. Nxa7 Rxb2 30. Bxd7 Rb7 31. Rxa4 Rxd7 32. c5 Rxd5 33. Rc4 Rd1+ 34. Kh2 Rc1 35. Rxc1 g5 36. c6 g4 37. c7 g3+ 38. Kxg3 f5 39. c8=Q f4+ 40. Kxf4 e5+ 41. Kxe5 Kh6 42. Qe6+ Kh5 43. Qf5+ Kh6 44. Rc6+ Kg7 45. Qf6+ Kg8 46. Rc8# 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130506 | Costello, Alexander (2224) | Mouhamad, J (2266) | 1-0 | |
| 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Be2 Bd6 5. O-O O-O 6. Nc3 b6 7. cxd5 exd5 8. d4 a6 9. Bd2 Bb7 10. Rc1 Nbd7 11. Re1 Ne4 12. Bf1 f5 13. g3 Ndf6 14. Ne2 Ng4 15. Qb3 Ngxf2 16. Nf4 c6 17. Ne6 Qe7 18. Nxf8 Rxf8 19. Qxb6 g5 20. Ba5 g4 21. Ne5 Rb8 22. Rc2 Ba8 23. Qxa6 c5 24. Nc6 Bxc6 25. Qxc6 Qe6 26. dxc5 Rc8 27. Qa6 Rxc5 28. Rxc5 Nxc5 29. Qa8+ Kf7 30. Qh8 Nfe4 31. Qxh7+ Kf8 32. Bd8 Be5 33. b4 Nd7 34. Bb5 Ndf6 35. Qg6 Bd6 36. Rf1 Bxb4 37. Qxf5 Bd2 38. Qxe6 Bxe3+ 39. Kh1 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130393 | Melian, Juan Sebastian (2150) | Costello, Alexander (2224) | 1-0 | |
| 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. a3 cxd4 7. axb4 dxc3 8. bxc3 b6 9. Bg5 h6 10. Bh4 d6 11. e3 Nbd7 12. Rd1 Qc7 13. Bd3 Bb7 14. O-O Bxf3 15. gxf3 Ne5 16. Qe2 Rac8 17. Bxf6 gxf6 18. Kh1 Nxd3 19. Qxd3 Qxc4 20. Qxd6 Qxc3 21. Rd4 f5 22. Qe5 Kh7 23. Qf6 Qc7 24. Rh4 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130350 | Costello, Alexander (2224) | Ristic, Neb1 (2335) | 0-1 | |
| 1. c4 Nf6 2. Nc3 b6 3. e4 d6 4. d4 Nbd7 5. g4 h6 6. Be3 e5 7. d5 Nc5 8. f3 a5 9. Qd2 a4 10. O-O-O Be7 11. Nge2 Ba6 12. Ng3 Nfd7 13. h4 Bxh4 14. Nf5 Bf6 15. g5 g6 16. Nxh6 Bg7 17. Qg2 Qe7 18. Be2 O-O-O 19. Ng4 Kb8 20. Kb1 Rdf8 21. Rxh8 Rxh8 22. Rh1 Qd8 23. Kc2 Bc8 24. b4 axb3+ 25. axb3 Na6 26. Kb2 Ndc5 27. Rxh8 Qxh8 28. Nh6 Qe8 29. Qh2 Nb4 30. Nb5 Bd7 31. Nc3 Nbd3+ 32. Bxd3 Nxd3+ 33. Kc2 Ne1+ 34. Kb2 Nxf3 35. Qf2 Bxh6 36. gxh6 Bg4 37. Bg5 Qh8 38. Nb5 Nxg5 39. Nxd6 f5 40. c5 cxd6 41. cxd6 Qd8 42. h7 Nxh7 43. Qh2 Nf6 44. Qxe5 Nxe4 45. d7+ Kb7 46. Qe6 Nc5 47. Qc6+ Kb8 48. Qd6+ Ka7 49. b4 Qxd7 50. bxc5 Qxd6 51. cxd6 f4 52. Kc3 Bd7 53. Kd4 g5 54. Ke4 b5 55. Kd4 f3 0-1 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130233 | Costello, Alexander (2224) | Hansen, Eric (2609) | 0-1 | |
| 1. e4 c5 2. Nf3 e6 3. b3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bd3 Nbd7 7. O-O Nc5 8. Re1 Be7 9. Bb2 O-O 10. Nc3 a6 11. a4 Qc7 12. Qd2 b6 13. Bf1 Bb7 14. f3 Rfd8 15. Rad1 Rac8 16. Kh1 h5 17. Nce2 d5 18. e5 Nfd7 19. Nf4 Bg5 20. g3 Nxe5 21. Ndxe6 Nxe6 22. Bxe5 Qxc2 23. Qb4 Bxf4 24. gxf4 Qf2 25. Bg2 Rc2 26. Rg1 Qc5 27. Qe1 Qf2 28. f5 Ng5 29. Bd4 Qxe1 30. Rdxe1 f6 31. Re7 Bc8 32. f4 Kf8 33. Ra7 Ne4 34. Bxb6 Re8 35. Bf3 Bxf5 0-1 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130099 | Boros, De (2402) | Costello, Alexander (2224) | 1-0 | |
| 1. d4 Nf6 2. Nc3 d5 3. Nf3 Bf5 4. Nh4 Bd7 5. Bg5 e6 6. Nf3 Be7 7. e3 c5 8. dxc5 O-O 9. Bd3 h6 10. Bf4 Bxc5 11. g4 Nc6 12. g5 Nh5 13. gxh6 Nxf4 14. exf4 gxh6 15. Qd2 Qf6 16. O-O-O Kh8 17. Ne5 Nxe5 18. fxe5 Qg5 19. f4 Qh4 20. Kb1 Rg8 21. a3 Rg4 22. Rdf1 Rag8 23. f5 Rg2 24. Ne2 exf5 25. e6 Rxe2 26. Qxe2 Bxe6 27. Qe5+ Rg7 28. Bxf5 Bd4 29. Qd6 Bxf5 30. Rxf5 Qe4 31. Qxd5 Qxd5 32. Rxd5 Bb6 33. Rd7 Kg8 34. Rxb7 Rg2 35. c4 f5 36. Rd1 f4 37. c5 Bxc5 38. Rd8+ Bf8 39. Rbb8 Kg7 40. Rxf8 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1130009 | Costello, Alexander (2224) | Klukin, Kirill (2390) | 1-0 | |
| 1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. c4 O-O 5. Nc3 d6 6. e3 Nbd7 7. Be2 b6 8. d5 Bb7 9. Nd4 Nc5 10. f3 e5 11. Nc2 a5 12. e4 h6 13. Bh4 Bc8 14. Qd2 g5 15. Bf2 Nh5 16. Ne3 Nf4 17. g4 Bd7 18. O-O-O a4 19. Kb1 f6 20. h4 Kf7 21. Rh2 Rh8 22. Rdh1 Qe7 23. Nb5 Na6 24. Bd1 Bxb5 25. cxb5 Nc5 26. Nf5 Qd7 27. hxg5 hxg5 28. Rh7 Rxh7 29. Rxh7 Rg8 30. Bxc5 bxc5 31. Bxa4 Kf8 32. Qa5 Qc8 33. b6 cxb6 34. Qxb6 Kf7 35. Nxd6+ 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1129860 | Donchenko, Alexa (2645) | Costello, Alexander (2224) | 1-0 | |
| 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. h3 Bxf3 5. Bxf3 c6 6. O-O Nbd7 7. d3 e6 8. Bg2 h5 9. Bg5 Be7 10. c4 Qb6 11. Qb3 Nc5 12. Qc2 dxc4 13. dxc4 Nfd7 14. Be3 Qc7 15. b4 Bf6 16. Nc3 Na6 17. a3 O-O 18. Rad1 Rad8 19. Ne4 Be7 20. h4 Ne5 21. Bf4 f6 22. Rd3 Nb8 23. Rfd1 Rxd3 24. exd3 g5 25. hxg5 fxg5 26. Nxg5 Bxg5 27. Bxg5 Nf3+ 28. Bxf3 Rxf3 29. d4 Rf5 30. Bf4 Qd8 31. d5 cxd5 32. cxd5 Rxd5 33. Qg6+ Kf8 34. Bh6+ Ke7 35. Bg5+ Kd7 36. Rxd5+ exd5 37. Qf5+ 1-0 | ||||
|
2022.11.12
chess.com SpeedChess Q2Sw
|
||||
| 1129806 | Meier, Geo (2615) | Costello, Alexander (2224) | 0-1 | |
| 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. b3 Ne4 5. c3 d5 6. Bb2 c5 7. d3 Nd6 8. Nbd2 Nc6 9. O-O O-O 10. e4 dxe4 11. dxe4 c4 12. e5 Nxe5 13. Nxe5 Bxe5 14. Nxc4 Nxc4 15. bxc4 Be6 16. Bd5 Qd6 17. Re1 Bxd5 18. Qxd5 Qxd5 19. cxd5 Bd6 20. a4 Rac8 21. Re3 Rc4 22. Kf1 Rfc8 23. Ke2 R4c5 24. Rd1 Rc4 25. Ra1 R4c5 26. Rd3 Ra5 27. Kd2 Rc4 28. Kc2 Raxa4 29. Rxa4 Rxa4 30. Kb3 Ra5 31. c4 b5 32. h3 bxc4+ 33. Kxc4 Ra4+ 34. Kb3 Rb4+ 35. Kc2 a5 36. Bc3 Rb5 37. g4 f6 38. Bd2 a4 39. Bc1 Rc5+ 40. Kd1 Rc4 0-1 | ||||
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2022.11.12
chess.com SpeedChess Q2Sw
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| 1129653 | Costello, Alexander (2224) | Pakleza, Z (2496) | 0-1 | |
| 1. e4 d6 2. d4 Nf6 3. f3 Nbd7 4. Be3 e5 5. d5 Be7 6. c4 O-O 7. Qd2 Ne8 8. Nc3 g6 9. g4 Ng7 10. O-O-O f5 11. gxf5 gxf5 12. Bh3 f4 13. Bf2 Kh8 14. Nge2 Nf6 15. Bxc8 Qxc8 16. h4 Nfh5 17. Rdg1 Rg8 18. Kb1 a6 19. Rg2 Qd7 20. Nc1 Ne8 21. Rxg8+ Kxg8 22. Nd3 b6 23. b4 a5 24. Ka1 Kf7 25. bxa5 Rxa5 26. Nb4 Nef6 27. Nc6 Ra8 28. Nb5 Qc8 29. Rg1 Nd7 30. Nxe7 Kxe7 31. Rg5 Nhf6 32. h5 Kf7 33. Bh4 Nc5 34. Rf5 Nb3+ 35. Kb2 Nxd2 0-1 | ||||
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2022.11.12
chess.com SpeedChess Q2Sw
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| 1129596 | Costello, Alexander (2224) | Srihari, L R (2436) | 1-0 | |
| 1. Nf3 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d5 5. Nc3 Nf6 6. Bf4 a6 7. Rc1 e6 8. e3 Bd6 9. Bg3 O-O 10. Bd3 h6 11. O-O Re8 12. Ne2 Qe7 13. Ne5 Bxe5 14. dxe5 Nh5 15. Nd4 Nxg3 16. Nxc6 bxc6 17. hxg3 c5 18. Bb1 g6 19. Qg4 Kg7 20. b3 Bd7 21. Bd3 Rec8 22. Rc2 Bb5 23. Rd1 Qg5 24. Qf4 Rc7 25. Bf1 Rac8 26. Rdc1 Bxf1 27. Kxf1 Qxf4 28. gxf4 g5 29. g3 Kg6 30. Ke2 a5 31. Kf3 h5 32. e4 d4 33. Rc4 f6 34. exf6 Kxf6 35. Rh1 Kg6 36. Rhc1 Rc6 37. Ra4 gxf4 38. gxf4 Kf6 39. Rxa5 c4 40. Rxc4 Rxc4 41. bxc4 Rxc4 42. Rxh5 Ra4 43. e5+ Kg7 44. Rg5+ Kf7 45. f5 exf5 46. Rxf5+ Ke6 47. Kg4 d3+ 48. f4 Rd4 49. Rf6+ Ke7 50. Rd6 Rxd6 51. exd6+ Kxd6 52. Kf3 d2 53. Ke2 Ke6 54. Kxd2 Kf5 55. a4 Kxf4 56. a5 1-0 | ||||
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2022.11.12
chess.com SpeedChess Q2Sw
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| 1129449 | Nenezic, M (2510) | Costello, Alexander (2224) | 1/2-1/2 | |
| 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Be7 6. b4 a5 7. b5 c5 8. bxc6 Nxc6 9. Nf3 O-O 10. Rb1 Ne4 11. Qc2 Nxc3 12. Qxc3 Rb8 13. Bd3 Bd7 14. O-O dxc4 15. Bxc4 Bd6 16. e4 Ne7 17. Bb5 Bc6 18. Qd3 Qd7 19. Bd2 a4 20. Qc4 Bxb5 21. Rxb5 Rfc8 22. Qxa4 Ra8 23. Qb3 Rxa3 24. Qb1 Rb8 25. Rc1 h6 26. h3 Nc6 27. d5 exd5 28. Rxd5 Qe6 29. Be3 Be7 30. Rb5 Ra4 31. Rxb7 Rba8 32. Qb5 Ra1 33. e5 Rxc1+ 34. Bxc1 Ra1 35. Qb2 Ra2 36. Qc3 Qd5 37. Kh2 Rxf2 38. Rb6 Bc5 39. Rb5 Nd4 40. Qxc5 Rxg2+ 41. Kxg2 Qxf3+ 42. Kh2 Qf2+ 43. Kh1 Qf1+ 44. Kh2 Qf2+ 45. Kh1 Qe1+ 46. Kg2 Qe2+ 47. Kg3 Qf3+ 48. Kh2 Qf2+ 1/2-1/2 | ||||