Event: Round 7: Culum, Sanjin - Wu, Derek
Date: 2025-07-03
White: Culum, Sanjin
WhiteTitle: IM
WhiteElo: 2450
Black: Wu, Derek
BlackTitle: FM
BlackElo: 2232
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:41] } 1... c5 { [%eval 0.25] [%clk 1:30:50] } 2. Nf3 { [%eval 0.2] [%clk 1:31:02] } 2... d6 { [%eval 0.31] [%clk 1:31:15] } 3. d4 { [%eval 0.22] [%clk 1:31:27] } 3... cxd4 { [%eval 0.19] [%clk 1:31:42] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:51] } 4... Nf6 { [%eval 0.31] [%clk 1:32:06] } 5. Nc3 { [%eval 0.32] [%clk 1:32:17] } 5... a6 { [%eval 0.28] [%clk 1:32:22] } 6. Be3 { [%eval 0.25] [%clk 1:29:31] } 6... e5 { [%eval 0.15] [%clk 1:31:46] } 7. Nb3 { [%eval 0.21] [%clk 1:29:44] } 7... Be7 { [%eval 0.24] [%clk 1:32:05] } 8. f3 { [%eval 0.49] [%clk 1:30:08] } 8... Be6 { [%eval 0.5] [%clk 1:32:31] } 9. Qd2 { [%eval 0.5] [%clk 1:30:35] } 9... h5 { [%eval 0.47] [%clk 1:32:51] } 10. Nd5 { [%eval 0.45] [%clk 1:28:39] } 10... Nxd5 { [%eval 0.47] [%clk 1:33:00] } 11. exd5 { [%eval 0.48] [%clk 1:29:06] } 11... Bf5 { [%eval 0.34] [%clk 1:33:24] } 12. Na5 { [%eval 0.25] [%clk 1:29:32] } 12... b6 { [%eval 0.33] [%clk 1:20:45] } 13. Nc4 { [%eval 0.37] [%clk 1:29:49] } 13... Nd7 { [%eval 0.39] [%clk 1:21:11] } 14. Be2 { [%eval 0.26] [%clk 1:30:13] } 14... Bh4+ { [%eval 0.31] [%clk 1:19:46] } 15. g3 { [%eval 0.26] [%clk 1:30:21] } 15... Be7 { [%eval 0.23] [%clk 1:20:11] } 16. h4 { [%eval 0.11] [%clk 1:30:15] } 16... O-O { [%eval 0.08] [%clk 1:19:05] } 17. O-O { [%eval 0.0] [%clk 1:16:00] } 17... Qc7 { [%eval 0.08] [%clk 1:16:11] } 18. a4 { [%eval 0.24] [%clk 1:11:05] } 18... Rab8 { [%eval 0.43] [%clk 1:05:32] } 19. a5 { [%eval 0.19] [%clk 1:03:50] } 19... b5 { [%eval 0.23] [%clk 1:04:52] } 20. Nb6 { [%eval 0.19] [%clk 1:04:13] } 20... Nxb6 { [%eval 0.52] [%clk 1:02:52] } 21. axb6 { [%eval 0.5] [%clk 1:04:34] } 21... Qb7? { [%eval 1.87] } { Mistake. Rxb6 was best. } { [%clk 0:54:09] } 22. c4 { [%eval 1.58] [%clk 1:00:25] } 22... Bd8 { [%eval 1.69] [%clk 0:56:58] } 23. cxb5 { [%eval 1.63] [%clk 1:00:42] } 23... Bxb6 { [%eval 1.7] [%clk 0:57:07] } 24. Rxa6 { [%eval 1.61] [%clk 0:57:07] } 24... Bxe3+ { [%eval 1.63] [%clk 0:57:28] } 25. Qxe3 { [%eval 1.51] [%clk 0:57:34] } 25... Qxd5 { [%eval 1.94] [%clk 0:57:35] } 26. Rd1 { [%eval 1.98] [%clk 0:57:22] } 26... Qc5 { [%eval 2.11] [%clk 0:52:55] } 27. Qxc5 { [%eval 1.99] [%clk 0:57:35] } 27... dxc5 { [%eval 1.97] [%clk 0:53:22] } 28. Rd5?! { [%eval 1.02] } { Inaccuracy. Bc4 was best. } { [%clk 0:53:01] } 28... Rfd8?? { [%eval 3.62] } { Blunder. Be6 was best. } { [%clk 0:52:17] } 29. Rxd8+ { [%eval 3.48] [%clk 0:41:03] } 29... Rxd8 { [%eval 3.37] [%clk 0:52:42] } 30. b6 { [%eval 3.85] [%clk 0:41:29] } 30... Rb8 { [%eval 3.91] [%clk 0:52:05] } 31. Bc4 { [%eval 3.65] [%clk 0:39:37] } 31... Kf8 { [%eval 4.2] [%clk 0:27:54] } 32. Bd5 { [%eval 4.15] [%clk 0:28:16] } 32... Ke7 { [%eval 4.5] [%clk 0:28:04] } 33. b7 { [%eval 4.43] [%clk 0:28:30] } 33... Kd7 { [%eval 4.39] [%clk 0:27:33] } 34. Ra8 { [%eval 4.25] [%clk 0:28:55] } 34... Kc7 { [%eval 4.07] [%clk 0:27:59] } 35. Rxb8 { [%eval 4.43] [%clk 0:29:11] } 35... Kxb8 { [%eval 4.34] [%clk 0:28:27] } 36. Bxf7 { [%eval 4.2] [%clk 0:29:34] } 36... Kxb7 { [%eval 4.07] [%clk 0:28:28] } 37. Bxh5 { [%eval 3.99] [%clk 0:29:53] } 37... Kc6 { [%eval 4.4] [%clk 0:24:19] } 38. Bf7 { [%eval 4.21] [%clk 0:19:42] } 38... Kb5 { [%eval 4.83] [%clk 0:17:19] } 39. Kf2 { [%eval 4.6] [%clk 0:26:24] } 39... c4 { [%eval 5.55] [%clk 0:16:57] } 40. g4 { [%eval 5.83] [%clk 0:25:40] } 40... Bd3 { [%eval 6.02] [%clk 0:17:11] } 41. h5 { [%eval 5.82] [%clk 0:24:51] } 41... Kb4 { [%eval 5.86] [%clk 0:17:01] } 42. g5 { [%eval 6.19] [%clk 0:24:49] } 42... Kb3 { [%eval 6.92] [%clk 0:17:05] } 43. h6 { [%eval 6.56] [%clk 0:24:26] } 43... gxh6 { [%eval 6.81] [%clk 0:17:29] } 44. gxh6 { [%eval 7.34] [%clk 0:24:53] } 44... Bh7 { [%eval 7.1] [%clk 0:13:29] } 45. Ke3 { [%eval 7.16] [%clk 0:25:02] } 45... Kxb2? { [%eval #26] } { Checkmate is now unavoidable. Kc2 was best. } { [%clk 0:13:09] } 46. Bxc4 { [%eval 13.61] [%clk 0:25:26] } 46... Kc3?! { [%eval #20] } { Checkmate is now unavoidable. e4 was best. } { [%clk 0:13:32] } 47. Bd5 { [%eval 53.82] [%clk 0:25:52] } 1-0