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Clasby, Derek vs Kaplan, Avi Harrison

2026.07.03 · game 1
White to move
PGN
[Event "54th World Open - 2026"]
[Site "Washington DC, United States"]
[Date "2026.07.03"]
[Round "5.17"]
[White "Clasby, Derek"]
[Black "Kaplan, Avi Harrison"]
[Result "1-0"]
[WhiteElo "2331"]
[WhiteTitle "FM"]
[WhiteFideId "30932300"]
[BlackElo "2251"]
[BlackTitle "FM"]
[BlackFideId "30934559"]
[TimeControl "G/90; SD/30; d30"]
[Variant "Standard"]
[ECO "B53"]
[Opening "Sicilian Defense: Chekhover Variation"]
[UTCDate "2026.07.03"]
[UTCTime "22:24:38"]
[BroadcastName "54th annual World Open - 2026"]
[BroadcastURL "https://lichess.org/broadcast/54th-annual-world-open-2026/round-5/N7FZAmuP"]
[GameURL "https://lichess.org/broadcast/54th-annual-world-open-2026/round-5/N7FZAmuP/vJ2ACDZP"]

1. e4 { [%eval 0.18] [%clk 1:20:18] } 1... c5 { [%eval 0.32] [%clk 1:30:00] } 2. Nf3 { [%eval 0.2] [%clk 1:20:18] } 2... d6 { [%eval 0.31] [%clk 1:30:00] } 3. d4 { [%eval 0.22] [%clk 1:20:18] } 3... cxd4 { [%eval 0.19] [%clk 1:30:00] } 4. Qxd4 { [%eval 0.0] [%clk 1:20:18] } 4... Nf6 { [%eval 0.0] [%clk 1:30:00] } 5. Nc3 { [%eval 0.0] [%clk 1:20:03] } 5... Nc6 { [%eval 0.07] [%clk 1:29:23] } 6. Qe3 { [%eval 0.0] [%clk 1:20:03] } 6... g6 { [%eval 0.06] [%clk 1:27:34] } 7. h3 { [%eval 0.0] [%clk 1:20:03] } 7... Bg7 { [%eval 0.0] [%clk 1:27:34] } 8. Bc4 { [%eval 0.0] [%clk 1:20:03] } 8... O-O { [%eval 0.02] [%clk 1:27:19] } 9. O-O { [%eval 0.13] [%clk 1:20:03] } 9... b6 { [%eval 0.09] [%clk 1:26:26] } 10. a4 { [%eval 0.0] [%clk 1:11:53] } 10... Bb7 { [%eval 0.01] [%clk 1:25:03] } 11. Rd1 { [%eval 0.02] [%clk 1:09:56] } 11... Nd7 { [%eval 0.13] [%clk 1:20:56] } 12. Nd5 { [%eval -0.16] [%clk 0:57:27] } 12... e6 { [%eval -0.1] [%clk 1:17:07] } 13. Nc3 { [%eval -0.03] [%clk 0:47:56] } 13... Qe7 { [%eval 0.14] [%clk 1:15:50] } 14. Nb5 { [%eval 0.03] [%clk 0:41:30] } 14... Rfd8 { [%eval 0.01] [%clk 1:05:57] } 15. Qe2 { [%eval 0.01] [%clk 0:31:50] } 15... Nf6 { [%eval 0.18] [%clk 0:43:22] } 16. Bf4 { [%eval 0.18] [%clk 0:23:40] } 16... e5 { [%eval 0.72] [%clk 0:39:50] } 17. Bg5 { [%eval 0.7] [%clk 0:23:22] } 17... Rac8 { [%eval 1.08] [%clk 0:37:52] } 18. Bd5 { [%eval 1.09] [%clk 0:19:20] } 18... h6 { [%eval 1.16] [%clk 0:33:25] } 19. Bxf6 { [%eval 1.08] [%clk 0:19:20] } 19... Bxf6 { [%eval 1.14] [%clk 0:33:25] } 20. Bxc6 { [%eval 1.05] [%clk 0:17:06] } 20... Bxc6 { [%eval 0.96] [%clk 0:33:25] } 21. c4 { [%eval 1.06] [%clk 0:17:06] } 21... Bg7 { [%eval 1.0] [%clk 0:33:03] } 22. Nc3 { [%eval 1.0] [%clk 0:16:00] } 22... f5 { [%eval 1.04] [%clk 0:29:52] } 23. Nd5 { [%eval 0.86] [%clk 0:16:00] } 23... Qd7 { [%eval 0.98] [%clk 0:26:17] } 24. b3 { [%eval 0.97] [%clk 0:13:07] } 24... Rf8 { [%eval 0.92] [%clk 0:24:57] } 25. Ne1 { [%eval 0.48] [%clk 0:13:01] } 25... fxe4 { [%eval 0.66] [%clk 0:24:01] } 26. Qxe4 { [%eval 0.49] [%clk 0:12:37] } 26... Kh7 { [%eval 0.44] [%clk 0:24:01] } 27. Ra2 { [%eval 0.44] [%clk 0:11:25] } 27... Rf4 { [%eval 0.56] [%clk 0:23:27] } 28. Qe2 { [%eval 0.52] [%clk 0:11:15] } 28... Rd4 { [%eval 0.59] [%clk 0:22:54] } 29. Nf3 { [%eval 0.22] [%clk 0:09:44] } 29... Bxd5? { [%eval 1.82] } { Mistake. Rxd1+ was best. } { [%clk 0:16:37] } 30. Nxd4 { [%eval 1.66] [%clk 0:09:44] } 30... Bxg2 { [%eval 1.59] [%clk 0:16:37] } 31. Qg4 { [%eval 1.63] [%clk 0:08:09] } 31... Qxg4?! { [%eval 2.44] } { Inaccuracy. Bxh3 was best. } { [%clk 0:11:39] } 32. hxg4 { [%eval 2.46] [%clk 0:08:09] } 32... exd4 { [%eval 2.41] [%clk 0:11:39] } 33. Kxg2 { [%eval 2.27] [%clk 0:08:09] } 33... Rc5?! { [%eval 3.26] } { Inaccuracy. Be5 was best. } { [%clk 0:09:08] } 34. Re2 { [%eval 3.14] [%clk 0:07:07] } 34... a6?! { [%eval 4.63] } { Inaccuracy. Rc7 was best. } { [%clk 0:09:08] } 35. Re7 { [%eval 4.61] [%clk 0:06:58] } 35... Kg8 { [%eval 4.75] [%clk 0:08:19] } 36. Rb7 { [%eval 4.53] [%clk 0:06:57] } 36... Rc6 { [%eval 5.18] [%clk 0:07:45] } 37. Re1 { [%eval 5.24] [%clk 0:06:46] } 37... d5 { [%eval 5.49] [%clk 0:07:45] } 38. Re8+ { [%eval 5.74] [%clk 0:06:40] } 38... Bf8 { [%eval 5.69] [%clk 0:07:45] } 39. cxd5 { [%eval 5.36] [%clk 0:06:40] } 39... Rf6 { [%eval 5.53] [%clk 0:07:45] } 40. Rbb8 { [%eval 5.24] [%clk 0:05:20] } 40... Kg7 { [%eval 5.15] [%clk 0:07:02] } 41. Rb7+ { [%eval 5.17] [%clk 0:01:29] } 41... Kg8 { [%eval 5.22] [%clk 0:06:47] } 42. g5 { [%eval 5.22] [%clk 0:19:51] } 42... hxg5 { [%eval 5.02] [%clk 0:36:38] } 43. Re4 { [%eval 4.96] [%clk 0:17:40] } 43... Bc5 { [%eval 4.98] [%clk 0:34:06] } 44. b4?! { [%eval 3.85] } { Inaccuracy. d6 was best. } { [%clk 0:17:22] } 44... Bxb4 { [%eval 3.78] [%clk 0:34:00] } 45. Rxd4 { [%eval 3.75] [%clk 0:17:22] } 45... Bc5 { [%eval 4.98] [%clk 0:33:02] } 46. Rd2 { [%eval 4.79] [%clk 0:17:22] } 46... Rf7 { [%eval 5.11] [%clk 0:30:57] } 47. Rxf7 { [%eval 5.1] [%clk 0:15:54] } 47... Kxf7 { [%eval 5.04] [%clk 0:29:39] } 48. Kf3 { [%eval 4.81] [%clk 0:12:30] } 48... Be7 { [%eval 5.76] [%clk 0:26:34] } 49. Ke4 { [%eval 5.62] [%clk 0:11:47] } 49... Bd8 { [%eval 5.93] [%clk 0:23:54] } 50. Ke5 { [%eval 5.72] [%clk 0:10:45] } 50... Ke7 { [%eval 7.04] [%clk 0:22:55] } 51. d6+ { [%eval 7.05] [%clk 0:10:45] } 51... Kd7 { [%eval 6.81] [%clk 0:22:55] } 52. f3 { [%eval 6.89] [%clk 0:10:18] } 52... g4 { [%eval 7.16] [%clk 0:21:37] } 53. fxg4 { [%eval 7.18] [%clk 0:10:18] } 53... Bh4 { [%eval 8.8] [%clk 0:21:37] } 54. Rd3 { [%eval 7.56] [%clk 0:08:13] } 54... b5? { [%eval #22] } { Checkmate is now unavoidable. Be1 was best. } { [%clk 0:20:51] } 55. axb5 { [%eval 81.97] [%clk 0:08:13] } 55... axb5?! { [%eval #16] } { Checkmate is now unavoidable. Be1 was best. } { [%clk 0:20:51] } 56. Kd5 { [%eval #15] [%clk 0:06:34] } 56... b4 { [%eval #15] [%clk 0:20:46] } 57. Rf3 { [%eval #16] [%clk 0:06:34] } 57... Bd8 { [%eval #9] [%clk 0:18:58] } 58. Rf7+ { [%eval 6.08] [%clk 0:06:34] } 58... Kc8?? { [%eval #8] } { Checkmate is now unavoidable. Ke8 was best. } { [%clk 0:18:58] } 59. Kc6 { [%eval #7] [%clk 0:06:34] } 59... b3 { [%eval #7] [%clk 0:18:58] } 60. Ra7 { [%eval #9] [%clk 0:06:34] } 1-0
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