Event: Round 8: Guillaumond, Matthieu - Koppenens, Oscar
Date: 2024-05-02
White: Guillaumond, Matthieu
WhiteElo: 1924
Black: Koppenens, Oscar
BlackElo: 1817
Result: 1-0
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Barmen Defense, Central Exchange
Variant: Standard

1. e4 { [%eval 0.14] [%clk 1:30:58] } 1... c5 { [%eval 0.34] [%clk 1:30:53] } 2. c3 { [%eval 0.07] [%clk 1:31:17] } 2... d5 { [%eval 0.18] [%clk 1:30:57] } 3. exd5 { [%eval 0.18] [%clk 1:31:33] } 3... Qxd5 { [%eval 0.19] [%clk 1:31:22] } 4. d4 { [%eval 0.16] [%clk 1:31:20] } 4... cxd4 { [%eval 0.2] [%clk 1:30:32] } 5. cxd4 { [%eval 0.2] [%clk 1:31:27] } 5... Nc6 { [%eval 0.34] [%clk 1:30:08] } 6. Nf3 { [%eval 0.22] [%clk 1:31:18] } 6... Bg4 { [%eval 0.33] [%clk 1:29:54] } 7. Nc3 { [%eval 0.33] [%clk 1:30:45] } 7... Qa5?? { [%eval 2.37] } { Blunder. Bxf3 was best. } { [%clk 1:14:52] } 8. d5 { [%eval 2.56] [%clk 1:29:39] } 8... Rd8 { [%eval 2.28] [%clk 0:56:17] } 9. Qb3? { [%eval 0.59] } { Mistake. Bd2 was best. } { [%clk 1:23:10] } 9... Bxf3 { [%eval 0.55] [%clk 0:53:36] } 10. gxf3 { [%eval 0.62] [%clk 1:22:00] } 10... Nd4 { [%eval 0.66] [%clk 0:52:56] } 11. Qxb7 { [%eval 0.46] [%clk 1:20:47] } 11... Nf6? { [%eval 1.84] } { Mistake. e5 was best. } { [%clk 0:52:04] } 12. Be3 { [%eval 1.57] [%clk 1:12:07] } 12... Rd7 { [%eval 1.75] [%clk 0:43:52] } 13. Qb8+ { [%eval 1.73] [%clk 1:08:17] } 13... Rd8 { [%eval 1.24] [%clk 0:44:17] } 14. Qb7 { [%eval 1.61] [%clk 1:08:36] } 14... Rd7 { [%eval 1.35] [%clk 0:44:07] } 15. Qb8+ { [%eval 1.29] [%clk 1:08:40] } 15... Rd8 { [%eval 1.29] [%clk 0:44:33] } 16. Bb5+ { [%eval 0.98] [%clk 1:08:58] } 16... Nxb5 { [%eval 0.82] [%clk 0:44:47] } 17. Qxb5+ { [%eval 0.96] [%clk 1:09:07] } 17... Qxb5 { [%eval 0.97] [%clk 0:45:13] } 18. Nxb5 { [%eval 0.94] [%clk 1:09:27] } 18... Nxd5 { [%eval 0.97] [%clk 0:44:42] } 19. Nxa7?! { [%eval 0.33] } { Inaccuracy. Bxa7 was best. } { [%clk 1:08:35] } 19... e6 { [%eval 0.29] [%clk 0:44:46] } 20. Nc6 { [%eval 0.35] [%clk 1:06:04] } 20... Rc8 { [%eval 0.46] [%clk 0:44:55] } 21. Rc1 { [%eval 0.37] [%clk 1:05:59] } 21... Bd6 { [%eval 0.36] [%clk 0:42:18] } 22. Ke2 { [%eval -0.07] [%clk 1:04:00] } 22... Nxe3? { [%eval 1.15] } { Mistake. Kd7 was best. } { [%clk 0:39:42] } 23. fxe3 { [%eval 1.24] [%clk 1:02:04] } 23... Kd7 { [%eval 1.15] [%clk 0:39:59] } 24. Nd4 { [%eval 1.36] [%clk 1:02:22] } 24... Rxc1 { [%eval 1.32] [%clk 0:38:58] } 25. Rxc1 { [%eval 1.28] [%clk 1:02:31] } 25... Rb8 { [%eval 1.57] [%clk 0:38:40] } 26. b3 { [%eval 1.73] [%clk 1:02:05] } 26... Rc8? { [%eval 3.38] } { Mistake. g6 was best. } { [%clk 0:35:29] } 27. Rxc8 { [%eval 3.45] [%clk 1:01:07] } 27... Kxc8 { [%eval 3.19] [%clk 0:35:55] } 28. h3 { [%eval 3.21] [%clk 1:01:22] } 28... Kb7 { [%eval 3.18] [%clk 0:36:15] } 29. Nb5 { [%eval 3.14] [%clk 0:58:41] } 29... Be7 { [%eval 3.14] [%clk 0:35:54] } 30. Kd3 { [%eval 3.19] [%clk 0:58:39] } 30... Kb6 { [%eval 3.17] [%clk 0:35:56] } 31. Kc4 { [%eval 2.96] [%clk 0:58:27] } 31... g5 { [%eval 3.53] [%clk 0:35:21] } 32. Nd4 { [%eval 3.44] [%clk 0:56:52] } 32... h5 { [%eval 3.33] [%clk 0:35:21] } 33. b4 { [%eval 3.08] [%clk 0:55:30] } 33... h4?! { [%eval 4.27] } { Inaccuracy. f5 was best. } { [%clk 0:24:28] } 34. e4 { [%eval 4.66] [%clk 0:54:25] } 34... Bf6 { [%eval 5.08] [%clk 0:23:43] } 35. a4 { [%eval 4.95] [%clk 0:52:25] } 35... Be5 { [%eval 5.17] [%clk 0:23:26] } 36. a5+ { [%eval 5.16] [%clk 0:51:33] } 36... Kb7 { [%eval 5.35] [%clk 0:23:47] } 37. b5 { [%eval 5.3] [%clk 0:50:20] } 37... Bc7 { [%eval 6.21] [%clk 0:22:26] } 38. Nc6 { [%eval 6.2] [%clk 0:47:47] } 38... f5 { [%eval 6.2] [%clk 0:22:02] } 39. a6+ { [%eval 5.65] [%clk 0:45:57] } 39... Kb6 { [%eval 6.71] [%clk 0:20:17] } 40. exf5 { [%eval 6.64] [%clk 0:45:26] } 40... exf5 { [%eval 6.4] [%clk 0:20:40] } 41. Ne7 { [%eval 5.79] [%clk 0:45:33] } 41... g4?? { [%eval #8] } { Checkmate is now unavoidable. Bg3 was best. } { [%clk 0:15:23] } 42. Nc8+ { [%eval #7] [%clk 0:45:47] } 42... Ka5 { [%eval #7] [%clk 0:15:48] } 43. a7 { [%eval #6] [%clk 0:46:06] } 43... g3 { [%eval #1] [%clk 0:16:13] } 44. a8=R# { [%clk 0:46:06] } 1-0