Event: Biel Chess Festival BTZ
Site: Biel, Switzerland
Date: 2024-07-21
White: Stevens, Christian
Black: Matsumura, Cocoro
BlackElo: 2073
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard
TimeControl: 3' + 2''/mv from move 1

1. e4 { [%eval 0.15] [%clk 0:03:02] } 1... c5 { [%eval 0.25] [%clk 0:03:04] } 2. Nc3 { [%eval 0.21] [%clk 0:03:02] } 2... e6 { [%eval 0.46] [%clk 0:03:05] } 3. g3 { [%eval 0.09] [%clk 0:02:59] } 3... Nc6 { [%eval 0.07] [%clk 0:03:04] } 4. Bg2 { [%eval 0.0] [%clk 0:03:00] } 4... Nf6 { [%eval 0.08] [%clk 0:03:03] } 5. f4 { [%eval -0.23] [%clk 0:02:50] } 5... d6 { [%eval 0.0] [%clk 0:02:58] } 6. d3 { [%eval 0.06] [%clk 0:02:49] } 6... Be7 { [%eval 0.0] [%clk 0:02:56] } 7. Nf3 { [%eval 0.0] [%clk 0:02:49] } 7... O-O { [%eval 0.1] [%clk 0:02:56] } 8. O-O { [%eval 0.15] [%clk 0:02:49] } 8... Rb8 { [%eval 0.05] [%clk 0:02:56] } 9. h3 { [%eval -0.1] [%clk 0:02:41] } 9... b5 { [%eval -0.08] [%clk 0:02:54] } 10. g4 { [%eval -0.03] [%clk 0:02:41] } 10... b4 { [%eval 0.0] [%clk 0:02:55] } 11. Ne2 { [%eval 0.02] [%clk 0:02:41] } 11... d5 { [%eval 0.0] [%clk 0:02:50] } 12. e5 { [%eval 0.0] [%clk 0:02:41] } 12... Ne8 { [%eval 0.03] [%clk 0:02:46] } 13. Be3 { [%eval 0.03] [%clk 0:02:12] } 13... Nc7 { [%eval 0.37] [%clk 0:02:30] } 14. d4 { [%eval -0.09] [%clk 0:02:03] } 14... c4 { [%eval 0.45] [%clk 0:02:24] } 15. Ng3 { [%eval 0.42] [%clk 0:01:57] } 15... c3 { [%eval 0.83] [%clk 0:02:16] } 16. b3 { [%eval 0.5] [%clk 0:01:57] } 16... f5 { [%eval 0.55] [%clk 0:02:02] } 17. gxf5?! { [%eval -0.1] } { Inaccuracy. exf6 was best. } { [%clk 0:01:41] } 17... exf5 { [%eval -0.08] [%clk 0:02:03] } 18. Ne1 { [%eval -0.5] [%clk 0:01:31] } 18... a5 { [%eval -0.31] [%clk 0:01:56] } 19. Rf2 { [%eval -0.72] [%clk 0:01:25] } 19... Nb5?! { [%eval -0.12] } { Inaccuracy. Kh8 was best. } { [%clk 0:01:39] } 20. Bf1 { [%eval -0.17] [%clk 0:01:20] } 20... Be6?! { [%eval 0.48] } { Inaccuracy. a4 was best. } { [%clk 0:01:22] } 21. Rg2 { [%eval 0.44] [%clk 0:01:20] } 21... Kh8 { [%eval 0.5] [%clk 0:01:14] } 22. Nf3 { [%eval 0.51] [%clk 0:01:16] } 22... Qe8 { [%eval 0.62] [%clk 0:01:03] } 23. Ng5?? { [%eval -3.57] } { Blunder. Bd3 was best. } { [%clk 0:01:14] } 23... Bxg5 { [%eval -3.6] [%clk 0:01:00] } 24. fxg5 { [%eval -4.42] [%clk 0:01:12] } 24... f4 { [%eval -4.46] [%clk 0:00:58] } 25. Bxb5 { [%eval -4.55] [%clk 0:00:42] } 25... Rxb5 { [%eval -4.41] [%clk 0:00:55] } 26. Qf1 { [%eval -4.58] [%clk 0:00:41] } 26... Rb7 { [%clk 0:00:37] } 27. Bxf4 { [%clk 0:00:39] } 27... Bxh3 { [%clk 0:00:34] } 28. Qf3 { [%clk 0:00:27] } 28... Bxg2 { [%clk 0:00:28] } 29. Kxg2 { [%clk 0:00:26] } 29... Nxd4 { [%clk 0:00:26] } 30. Qxd5 { [%clk 0:00:25] } 30... Qc6 { [%clk 0:00:24] } 31. Qxc6 { [%clk 0:00:19] } 31... Nxc6 { [%clk 0:00:25] } 0-1