Event: Round 1: Koppenens, Oscar - Van Wely, Loek
Date: 2025-05-13
White: Koppenens, Oscar
WhiteElo: 2024
Black: Van Wely, Loek
BlackTitle: GM
BlackElo: 2609
Result: 0-1
ECO: B46
Opening: Sicilian Defense: Taimanov Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:56] } 1... c5 { [%eval 0.25] [%clk 1:30:51] } 2. Nf3 { [%eval 0.2] [%clk 1:31:15] } 2... e6 { [%eval 0.28] [%clk 1:31:12] } 3. d4 { [%eval 0.4] [%clk 1:31:40] } 3... cxd4 { [%eval 0.29] [%clk 1:31:36] } 4. Nxd4 { [%eval 0.23] [%clk 1:32:06] } 4... Nc6 { [%eval 0.28] [%clk 1:31:45] } 5. Nc3 { [%eval 0.24] [%clk 1:32:06] } 5... a6 { [%eval 0.37] [%clk 1:32:05] } 6. a3 { [%eval 0.26] [%clk 1:31:54] } 6... Qc7 { [%eval 0.49] [%clk 1:31:10] } 7. Be3 { [%eval 0.15] [%clk 1:30:46] } 7... b5 { [%eval 0.27] [%clk 1:29:07] } 8. g3 { [%eval -0.21] [%clk 1:27:50] } 8... Bb7 { [%eval -0.2] [%clk 1:28:12] } 9. Bg2 { [%eval -0.39] [%clk 1:27:19] } 9... Nf6 { [%eval -0.15] [%clk 1:27:28] } 10. O-O { [%eval -0.11] [%clk 1:26:03] } 10... Be7 { [%eval -0.22] [%clk 1:21:13] } 11. f4 { [%eval -0.13] [%clk 1:23:19] } 11... d6 { [%eval -0.21] [%clk 1:18:16] } 12. h3 { [%eval -0.61] [%clk 1:17:54] } 12... O-O { [%eval -0.43] [%clk 1:17:05] } 13. Qe1 { [%eval -0.39] [%clk 1:17:23] } 13... Rac8 { [%eval -0.35] [%clk 1:15:58] } 14. Qf2 { [%eval -0.53] [%clk 1:14:20] } 14... Nxd4 { [%eval -0.63] [%clk 1:09:37] } 15. Bxd4 { [%eval -0.57] [%clk 1:14:31] } 15... e5 { [%eval -0.61] [%clk 1:10:04] } 16. Bb6 { [%eval -0.72] [%clk 1:09:53] } 16... Qb8 { [%eval -0.66] [%clk 1:08:54] } 17. Rae1 { [%eval -0.56] [%clk 1:07:46] } 17... Qa8 { [%eval -0.46] [%clk 0:56:19] } 18. f5? { [%eval -1.88] } { Mistake. Qd2 was best. } { [%clk 0:58:20] } 18... Rc4 { [%eval -1.32] [%clk 0:47:42] } 19. Qe2 { [%eval -1.36] [%clk 0:50:34] } 19... Rfc8 { [%eval -1.21] [%clk 0:39:08] } 20. Ba5 { [%eval -1.09] [%clk 0:41:26] } 20... h6 { [%eval -1.03] [%clk 0:35:45] } 21. Kh2 { [%eval -1.09] [%clk 0:38:55] } 21... R8c6 { [%eval -0.77] [%clk 0:30:09] } 22. Qf3?! { [%eval -1.63] } { Inaccuracy. Rd1 was best. } { [%clk 0:29:50] } 22... Bd8 { [%eval -1.63] [%clk 0:29:46] } 23. Bxd8 { [%eval -1.44] [%clk 0:28:55] } 23... Qxd8 { [%eval -1.6] [%clk 0:30:08] } 24. Re3 { [%eval -1.74] [%clk 0:28:57] } 24... Qb6 { [%eval -1.32] [%clk 0:27:17] } 25. b3 { [%eval -1.46] [%clk 0:26:31] } 25... Rd4 { [%eval -1.43] [%clk 0:25:18] } 26. Qe2 { [%eval -1.35] [%clk 0:20:55] } 26... Qc7 { [%eval -1.43] [%clk 0:20:11] } 27. Rff3?! { [%eval -2.63] } { Inaccuracy. Qe1 was best. } { [%clk 0:19:56] } 27... Rc5 { [%eval -2.71] [%clk 0:18:58] } 28. g4 { [%eval -2.71] [%clk 0:18:08] } 28... d5 { [%eval -2.75] [%clk 0:16:42] } 29. exd5 { [%eval -3.09] [%clk 0:16:02] } 29... e4+ { [%eval -3.12] [%clk 0:12:37] } 30. Rg3 { [%eval -3.58] [%clk 0:16:16] } 30... Nxd5 { [%eval -3.55] [%clk 0:12:16] } 31. Nxd5 { [%eval -3.41] [%clk 0:16:19] } 31... Rcxd5 { [%eval -2.83] [%clk 0:12:41] } 32. g5?! { [%eval -3.92] } { Inaccuracy. Rc3 was best. } { [%clk 0:13:38] } 32... Rd2 { [%eval -2.96] [%clk 0:11:50] } 33. Qg4 { [%eval -3.23] [%clk 0:13:03] } 33... hxg5 { [%eval -3.17] [%clk 0:06:48] } 34. Qxg5 { [%eval -3.16] [%clk 0:08:40] } 34... g6 { [%eval -2.92] [%clk 0:07:02] } 35. Qg4?! { [%eval -3.92] } { Inaccuracy. c4 was best. } { [%clk 0:05:10] } 35... Rc5? { [%eval -1.89] } { Mistake. Rxc2 was best. } { [%clk 0:06:02] } 36. fxg6?? { [%eval -6.76] } { Blunder. c4 was best. } { [%clk 0:04:48] } 36... f5 { [%eval -6.89] [%clk 0:06:21] } 37. Qh4 { [%eval -6.56] [%clk 0:02:52] } 37... f4 { [%eval -6.25] [%clk 0:06:13] } 38. c3?! { [%eval -9.52] } { Inaccuracy. Re1 was best. } { [%clk 0:02:26] } 38... fxg3+ { [%eval -6.5] [%clk 0:05:48] } 39. Rxg3?? { [%eval #-12] } { Checkmate is now unavoidable. Qxg3 was best. } { [%clk 0:02:51] } 39... e3 { [%eval #-11] [%clk 0:05:43] } 0-1