WORLDBASE
10 games / 10 parties
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2025.07.03
53rd Annual World Open
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| 28493 | Xiong, Jeffery (2646) | Clasby, Derek (2339) | 1-0 | |
| 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Nc6 5. a3 Bg7 6. Rb1 a5 7. d3 h6 8. e4 d6 9. Nge2 O-O 10. O-O Ne8 11. Be3 Nd4 12. b4 axb4 13. axb4 Nc7 14. bxc5 dxc5 15. Nd5 Ra7 16. Nxd4 cxd4 17. Bd2 Nxd5 18. exd5 Bf5 19. Qb3 Qc7 20. Rfe1 Rfa8 21. Bb4 Bf6 22. c5 Qd7 23. c6 bxc6 24. dxc6 Qc8 25. Bc5 Rc7 26. Qb5 Qa6 27. Bb6 Rcc8 28. c7 Bxd3 29. Qxa6 Rxa6 30. Bb7 Rxb6 31. Bxc8 Rc6 32. Rb7 Bc2 33. Bd7 Rc3 34. Rb8+ Kg7 35. c8=Q Rxc8 36. Rxc8 d3 37. Rxc2 dxc2 38. Rc1 1-0 | ||||
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2024.06.06
52nd Annual World Open
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| 475983 | Clasby, Derek (2277) | Urazayev, Arystanbek (2476) | 1/2-1/2 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bc2 d5 8. d4 dxe4 9. dxc5 Qxd1 10. Bxd1 exf3 11. Bxf3 e4 12. Be2 Bg4 13. f3 exf3 14. gxf3 Bh3 15. Re1 O-O 16. b4 Rae8 17. Kf2 Ne5 18. a4 Re6 19. axb5 axb5 20. Na3 c6 21. Nc2 Nd5 22. Bd2 Rg6 23. Rg1 Rxg1 24. Kxg1 f6 25. Nd4 g5 26. Ra6 Bd7 27. Kf2 Re8 28. Ra7 Re7 29. Kg3 h5 30. Ra8+ Kh7 31. Kf2 h4 32. Ra1 Kg6 33. Rg1 Kf7 34. Rc1 Re8 35. Ra1 Kg6 36. Ra7 Rd8 37. Ra1 Bh3 38. Ra6 Bd7 39. Ra1 Bh3 40. Ra6 Bd7 1/2-1/2 | ||||
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2024.06.05
52nd Annual World Open
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| 475949 | Clasby, Derek (2277) | Slade, Theodore (2109) | 1-0 | |
| 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nf3 Nc6 5. d3 O-O 6. a3 a5 7. h3 Re8 8. Bg5 h6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. c3 Ne7 12. d4 Nxd5 13. Bxd5 exd4 14. cxd4 Ba7 15. Ne5 Re7 16. Qf3 Qe8 17. Ng6 Bxd4 18. Nxe7+ Qxe7 19. Qe2 c6 20. Rd1 Bc5 21. Ba2 d6 22. O-O Bf5 23. Rfe1 Re8 24. Qd2 Bxe4 25. Kh1 Qd8 26. b4 axb4 27. axb4 Bb6 28. f3 Bf5 29. Rxe8+ Qxe8 30. Qxd6 Qe2 31. Qd2 Qxd2 32. Rxd2 Kf8 33. g4 Bc8 34. Bc4 Ke7 35. Re2+ Be6 36. f4 Kd6 37. Bxe6 fxe6 38. Rd2+ Ke7 39. Kg2 Bc7 40. Kf3 Bd6 41. Rb2 b5 42. h4 g6 43. Ke4 Kf7 44. Rc2 Bxb4 45. Rxc6 Be7 46. g5 hxg5 47. hxg5 Bb4 48. Ke5 Bd2 49. Rc7+ Kg8 50. Rc2 Be3 51. Rb2 Bb6 52. Rxb5 Bc7+ 53. Kxe6 Bxf4 54. Kf6 1-0 | ||||
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2024.06.04
52nd Annual World Open
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| 475907 | Clasby, Derek (2277) | Durarbayli, Vasif (2628) | 0-1 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 Bb7 9. d3 d6 10. a3 Qd7 11. Nc3 Rfe8 12. Nd5 Nxd5 13. exd5 Na7 14. d4 exd4 15. Qxd4 c5 16. dxc6 Nxc6 17. Qd3 Bf6 18. Bf4 Na5 19. Rad1 Nxb3 20. Qxb3 Rxe1+ 21. Rxe1 h6 22. Re3 Re8 23. Rxe8+ Qxe8 24. Bxd6 Qe2 25. Bg3 a5 26. Kh2 a4 27. Qb4 Bxf3 28. gxf3 Qxc2 29. Qxb5 Bxb2 30. Qe8+ Kh7 31. Qe7 Qb3 32. Qe4+ g6 33. f4 Qxa3 34. f5 Bg7 35. h4 h5 36. fxg6+ fxg6 37. Qc6 Qa1 38. f4 Bd4 39. Qf3 Qb1 40. f5 Qc2+ 41. Kh1 Qxf5 42. Qb7+ Kh6 43. Kg2 a3 44. Bd6 a2 0-1 | ||||
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2023.08.16
10th Washington Int 2023
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| 844422 | Clasby, Derek (2271) | Espinosa, Pedro (2288) | 1-0 | |
| 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Kb1 Nxd4 11. Qxd4 Bc6 12. Be2 Qc7 13. f5 e5 14. Qd3 Nxe4 15. Nxe4 Bxe4 16. Qxe4 Bxg5 17. h4 Be7 18. Bc4 O-O 19. g4 Rac8 20. Bd5 Kh8 21. g5 f6 22. Rh2 Qc5 23. c3 Rc7 24. Rdh1 b5 25. Be6 Rd8 26. Qf3 d5 27. h5 Bf8 28. h6 gxh6 29. gxf6 Qc4 30. Rg2 Bc5 31. Qg3 Qe4+ 32. Ka1 b4 33. Qg7+ Rxg7 34. fxg7# 1-0 | ||||
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2023.08.14
10th Washington Int 2023
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| 844381 | Clasby, Derek (2271) | Tanenbaum, Zachary (2279) | 0-1 | |
| 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 Bg4 7. Nc3 Nd7 8. h3 Bxf3 9. Qxf3 Nd4 10. Qg3 c6 11. Bd1 Nc5 12. O-O Nce6 13. Ne2 Nxe2+ 14. Bxe2 Be7 15. Bg4 Bh4 16. Qh2 Nd4 17. g3 h5 18. Bd1 Bf6 19. Be3 Ne6 20. h4 Qe7 21. Qh3 g5 22. hxg5 Bxg5 23. Qf5 Rg8 24. Kg2 h4 25. Qh7 O-O-O 26. Bb6 Rdf8 27. Bg4 Bf4 28. Qh5 hxg3 29. fxg3 Rg5 30. Qh4 Rfg8 31. Rf3 Qe8 32. Bxe6+ fxe6 33. Rh1 Bxg3 34. Qh7 R8g7 35. Qh3 Rh5 36. Rxg3 Rxh3 37. Rxh3 Rxg3+ 38. Rxg3 Qf7 39. b4 Qf4 40. Be3 Qf7 41. c5 d5 42. Rg4 Qh5 43. Kg3 Qh1 44. Rg8+ Kc7 45. Bg5 dxe4 46. Rg7+ Kc8 47. Rg8+ Kc7 48. Rg7+ Kb8 49. dxe4 Qe1+ 50. Kf3 Qc3+ 51. Kf2 Qxb4 52. Be7 Qd2+ 53. Kf1 Qf4+ 54. Kg1 Qe3+ 55. Kf1 Qxe4 56. Bd6+ Ka7 57. Rg8 Qb1+ 58. Ke2 Qxa2+ 59. Kd3 a5 60. Kc3 Qa3+ 61. Kc2 Ka6 62. Ra8+ Kb5 63. Rb8 e4 64. Rxb7+ Kc4 65. Kb1 e3 0-1 | ||||
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2023.08.14
10th Washington Int 2023
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| 844393 | Jacobson, Aaron (2343) | Clasby, Derek (2271) | 1-0 | |
| 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 Qa5 10. Rb5 Qxa2 11. Rxc5 Nd7 12. Rb5 a6 13. Rb3 Qa5 14. h4 e5 15. Kf1 Qa4 16. h5 Rd8 17. Qc2 b5 18. hxg6 hxg6 19. Qb2 exd4 20. cxd4 Nb6 21. Bh6 Nc4 22. Qc3 Bg4 23. Bxg7 Bxf3 24. Bf6 Bh5 25. Bxh5 Rd6 26. Bd1 Rxf6 27. d5 Nd2+ 28. Qxd2 Qc4+ 29. Kg1 Qxe4 30. Rbh3 Rf8 31. Rh8+ Kg7 32. R1h7# 1-0 | ||||
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2023.08.13
10th Washington Int 2023
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| 853117 | Pang, Qi (2203) | Clasby, Derek (2271) | 0-1 | |
| 1. Nf3 Nf6 2. d4 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. b3 c5 10. Bb2 Nc6 11. e3 d5 12. Qe2 cxd4 13. exd4 Rc8 14. Rfd1 Qc7 15. Rac1 Qb7 16. Bh3 Rcd8 17. Ng5 Bf5 18. Bg2 Qa6 19. Kf1 Qxa2 20. Bxd5 Nb4 21. Ra1 Qxb3 22. Ra3 Qc2 23. Rd2 Qb1+ 24. Rd1 Qc2 25. Rd2 Qb1+ 26. Kg2 Nc2 27. Rxa7 Ne1+ 28. Kh1 Nc2+ 29. Rd1 Qxb2 30. Bxf7+ Kh8 31. Qxe7 Rxd4 32. Rxd4 Qxd4 33. Bd5 Qd1+ 34. Kg2 Ne1+ 35. Kh1 Be4+ 36. Qxe4 Nf3+ 37. Kg2 Qg1+ 0-1 | ||||
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2023.08.12
10th Washington Int 2023
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| 853092 | Budisavljevic, Luka (2495) | Clasby, Derek (2271) | 1-0 | |
| 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 d4 8. O-O Be7 9. Na3 O-O 10. Nc4 Be6 11. e3 Rc8 12. Nfe5 Nxe5 13. Nxe5 Qb6 14. Qe2 Rfd8 15. f4 Bd5 16. e4 c4 17. Kh1 c3 18. dxc3 dxc3 19. exd5 cxb2 20. Rad1 Ba3 21. Nc4 Qc5 22. Nxb2 Nxd5 23. Nc4 Bb4 24. Qd3 Rc7 25. Ne5 f6 26. Bxd5+ Kh8 27. Qf5 Rxd5 28. Nf7+ Rxf7 29. Qxd5 Qf8 30. Qd8 Kg8 31. Rf3 Re7 32. Rfd3 Re2 33. Qd5+ Qf7 34. Qxf7+ Kxf7 35. Rd7+ Kg6 36. Rxb7 a5 37. a4 Rb2 38. g4 Bd2 39. Kg2 Bxf4+ 40. Kf3 Bd2 41. h3 Kh6 42. Ke4 Bb4 43. Rdd7 Re2+ 44. Kf3 Rh2 45. Rxg7 Rxh3+ 46. Ke4 f5+ 47. gxf5 Rh4+ 48. Kd5 Rf4 49. Rxh7+ Kg5 50. Rbg7+ 1-0 | ||||
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2022.11.24
US Chess Masters 2022
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| 1118359 | Clasby, Derek (2252) | Cordova, E (2561) | 0-1 | |
| 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 b6 6. b3 Bb7 7. Bb2 a6 8. Bf1 d5 9. exd5 Nxd5 10. d4 Nf6 11. a3 cxd4 12. Nxd4 Nxd4 13. Bxd4 Bd6 14. h3 Qc7 15. Qc1 O-O-O 16. Qb2 h5 17. Qc3 Bh2+ 18. Kh1 Rxd4 19. Qxd4 Ng4 20. f4 Bxf4 21. hxg4 hxg4+ 22. Kg1 Bh2+ 23. Kf2 Qg3+ 24. Ke2 Bf3+ 25. Kd2 Rd8 26. Bxa6+ Kc7 27. Qxd8+ Kxd8 28. gxf3 Qf2+ 29. Re2 Qd4+ 30. Bd3 Bf4+ 31. Kd1 Qxa1 32. c3 gxf3 33. Rf2 g5 34. Rxf3 Qb2 35. Rxf4 gxf4 36. Bc2 f3 0-1 | ||||