Event: Biel Chess Festival MTO
Site: Biel, Switzerland
Date: 2024-07-23
White: Stevens, Christian
WhiteElo: 1955
Black: Matsumura, Cocoro
BlackElo: 2022
Result: 0-1
ECO: B26
Opening: Sicilian Defense: Closed
Variant: Standard
TimeControl: 100'/40, fb 50'/20, fb 15' + 30''/mv

1. e4 { [%eval 0.15] [%clk 1:40:57] } 1... c5 { [%eval 0.25] [%clk 1:40:57] } 2. Nc3 { [%eval 0.21] [%clk 1:41:17] } 2... d6 { [%eval 0.24] [%clk 1:41:22] } 3. g3 { [%eval 0.0] [%clk 1:41:35] } 3... g6 { [%eval -0.02] [%clk 1:41:43] } 4. Bg2 { [%eval -0.11] [%clk 1:41:59] } 4... Bg7 { [%eval -0.05] [%clk 1:42:08] } 5. d3 { [%eval -0.02] [%clk 1:42:23] } 5... Nc6 { [%eval 0.0] [%clk 1:42:33] } 6. Be3 { [%eval -0.31] [%clk 1:41:47] } 6... Nf6 { [%eval -0.15] [%clk 1:42:34] } 7. h3 { [%eval -0.19] [%clk 1:42:10] } 7... O-O { [%eval -0.18] [%clk 1:42:50] } 8. f4 { [%eval -0.2] [%clk 1:42:19] } 8... Rb8 { [%eval -0.26] [%clk 1:42:59] } 9. Nf3 { [%eval -0.32] [%clk 1:40:11] } 9... b5 { [%eval -0.46] [%clk 1:42:04] } 10. O-O { [%eval -0.46] [%clk 1:34:20] } 10... b4 { [%eval -0.3] [%clk 1:42:15] } 11. Ne2 { [%eval -0.32] [%clk 1:34:29] } 11... Ba6?! { [%eval 0.24] } { Inaccuracy. Nd7 was best. } { [%clk 1:32:24] } 12. g4?! { [%eval -0.38] } { Inaccuracy. a3 was best. } { [%clk 1:18:11] } 12... c4?! { [%eval 0.28] } { Inaccuracy. Nd7 was best. } { [%clk 1:32:24] } 13. Ng3?! { [%eval -0.75] } { Inaccuracy. Rc1 was best. } { [%clk 1:17:54] } 13... cxd3? { [%eval 0.76] } { Mistake. Nd7 was best. } { [%clk 1:31:22] } 14. cxd3 { [%eval 0.55] [%clk 1:18:15] } 14... Nd7 { [%eval 0.61] [%clk 1:30:41] } 15. Rf2 { [%eval 0.62] [%clk 1:17:45] } 15... e5 { [%eval 0.96] [%clk 1:02:38] } 16. f5 { [%eval 1.06] [%clk 1:08:07] } 16... Nc5 { [%eval 1.03] [%clk 1:00:26] } 17. Bf1 { [%eval 1.0] [%clk 1:03:34] } 17... Re8 { [%eval 0.91] [%clk 0:47:53] } 18. Rc1 { [%eval 0.57] [%clk 0:44:32] } 18... b3 { [%eval 0.46] [%clk 0:45:12] } 19. a3 { [%eval 0.0] [%clk 0:43:16] } 19... Nd4 { [%eval 0.0] [%clk 0:43:30] } 20. g5 { [%eval -0.37] [%clk 0:28:11] } 20... Nc2 { [%eval -0.37] [%clk 0:42:10] } 21. Rcxc2 { [%eval -0.9] [%clk 0:27:28] } 21... bxc2 { [%eval -0.86] [%clk 0:42:22] } 22. Qxc2 { [%eval -1.25] [%clk 0:26:55] } 22... Rc8 { [%eval -1.14] [%clk 0:41:50] } 23. Qd1?! { [%eval -1.87] } { Inaccuracy. Qb1 was best. } { [%clk 0:26:25] } 23... d5 { [%eval -1.76] [%clk 0:39:33] } 24. Rd2 { [%eval -1.9] [%clk 0:14:59] } 24... d4 { [%eval -1.82] [%clk 0:36:24] } 25. Bf2 { [%eval -2.0] [%clk 0:15:23] } 25... Bb5 { [%eval -1.76] [%clk 0:35:11] } 26. b4?! { [%eval -2.41] } { Inaccuracy. b3 was best. } { [%clk 0:13:58] } 26... Na4 { [%eval -2.01] [%clk 0:33:01] } 27. h4 { [%eval -1.96] [%clk 0:13:27] } 27... Rc3?! { [%eval -1.19] } { Inaccuracy. Nc3 was best. } { [%clk 0:32:56] } 28. h5 { [%eval -1.23] [%clk 0:13:05] } 28... Qc7 { [%eval -1.03] [%clk 0:32:40] } 29. Nh4 { [%eval -1.55] [%clk 0:12:29] } 29... Qd6?? { [%eval 1.06] } { Blunder. Rc1 was best. } { [%clk 0:28:39] } 30. Qf3 { [%eval 0.57] [%clk 0:09:33] } 30... Rec8?! { [%eval 1.64] } { Inaccuracy. Qc7 was best. } { [%clk 0:21:14] } 31. Bh3?? { [%eval -1.01] } { Blunder. f6 was best. } { [%clk 0:05:47] } 31... Rc2?? { [%eval 1.13] } { Blunder. R8c7 was best. } { [%clk 0:17:28] } 32. Rxc2 { [%eval 0.99] [%clk 0:04:38] } 32... Rxc2 { [%eval 1.12] [%clk 0:17:54] } 33. hxg6?! { [%eval 0.03] } { Inaccuracy. f6 was best. } { [%clk 0:04:35] } 33... hxg6 { [%eval 0.02] [%clk 0:17:46] } 34. fxg6?? { [%eval -2.0] } { Blunder. f6 was best. } { [%clk 0:03:46] } 34... fxg6 { [%eval -1.99] [%clk 0:18:00] } 35. Ngf5 { [%eval -2.33] [%clk 0:02:52] } 35... gxf5 { [%eval -2.36] [%clk 0:14:53] } 36. Bxf5?! { [%eval -3.37] } { Inaccuracy. Nxf5 was best. } { [%clk 0:02:01] } 36... Nc3 { [%eval -3.21] [%clk 0:12:42] } 37. Qh5?! { [%eval -4.3] } { Inaccuracy. Kh1 was best. } { [%clk 0:01:37] } 37... Ne2+ { [%eval -4.32] [%clk 0:12:33] } 38. Kh2 { [%eval -4.43] [%clk 0:01:59] } 38... Nf4 { [%eval -4.29] [%clk 0:12:41] } 39. Qh7+ { [%eval -4.24] [%clk 0:01:10] } 39... Kf8 { [%eval -4.25] [%clk 0:13:04] } 0-1