Event: Round 9: Jan Sikora - Piotr Brzezina
Date: 2023-07-09
White: Jan Sikora
Black: Piotr Brzezina
Result: 1/2-1/2
ECO: B20
Opening: Sicilian Defense: Keres Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:21] } 1... c5 { [%eval 0.32] [%clk 1:30:57] } 2. Ne2 { [%eval 0.0] [%clk 1:30:36] } 2... d6 { [%eval 0.42] [%clk 1:30:53] } 3. g3 { [%eval 0.0] [%clk 1:31:00] } 3... Nc6?! { [%eval 0.64] } { Inaccuracy. d5 was best. } { [%clk 1:27:03] } 4. Bg2 { [%eval 0.36] [%clk 1:31:22] } 4... g6 { [%eval 0.35] [%clk 1:27:05] } 5. c3 { [%eval 0.53] [%clk 1:29:59] } 5... Bg7 { [%eval 0.55] [%clk 1:24:00] } 6. d4 { [%eval 0.63] [%clk 1:30:12] } 6... cxd4 { [%eval 0.75] [%clk 1:20:47] } 7. cxd4 { [%eval 0.29] [%clk 1:30:07] } 7... e5?! { [%eval 0.94] } { Inaccuracy. e6 was best. } { [%clk 1:20:28] } 8. dxe5 { [%eval 0.46] [%clk 1:26:18] } 8... dxe5 { [%eval 0.42] [%clk 1:19:32] } 9. Qxd8+ { [%eval 0.4] [%clk 1:26:29] } 9... Nxd8 { [%eval 0.49] [%clk 1:08:09] } 10. Nbc3 { [%eval 0.27] [%clk 1:25:58] } 10... Ne7 { [%eval 0.37] [%clk 1:07:51] } 11. Bg5 { [%eval 0.02] [%clk 1:15:32] } 11... Nec6 { [%eval 0.38] [%clk 0:50:44] } 12. Bxd8?! { [%eval -0.19] } { Inaccuracy. Nd5 was best. } { [%clk 1:05:00] } 12... Nxd8 { [%eval -0.33] [%clk 0:50:14] } 13. Nd5 { [%eval -0.18] [%clk 0:58:29] } 13... O-O { [%eval -0.15] [%clk 0:32:30] } 14. Rc1 { [%eval -0.34] [%clk 0:54:04] } 14... Nc6 { [%eval -0.33] [%clk 0:31:13] } 15. b4 { [%eval -0.36] [%clk 0:52:38] } 15... Be6 { [%eval -0.45] [%clk 0:30:08] } 16. a3 { [%eval -0.67] [%clk 0:43:50] } 16... Rac8 { [%eval -0.75] [%clk 0:27:15] } 17. O-O { [%eval -0.6] [%clk 0:41:20] } 17... Bxd5?! { [%eval 0.16] } { Inaccuracy. Rfd8 was best. } { [%clk 0:25:12] } 18. exd5 { [%eval 0.14] [%clk 0:41:46] } 18... Nd4 { [%eval 0.06] [%clk 0:25:37] } 19. Nxd4 { [%eval 0.13] [%clk 0:35:14] } 19... exd4 { [%eval 0.0] [%clk 0:25:52] } 20. d6 { [%eval -0.13] [%clk 0:34:33] } 20... Rxc1 { [%eval 0.0] [%clk 0:17:25] } 21. Rxc1 { [%eval 0.1] [%clk 0:34:58] } 21... Rd8 { [%eval 0.06] [%clk 0:17:48] } 22. Bxb7 { [%eval 0.0] [%clk 0:33:06] } 22... d3 { [%eval 0.0] [%clk 0:17:48] } 23. Rc8 { [%eval 0.0] [%clk 0:31:07] } 23... Rxc8 { [%eval 0.0] [%clk 0:18:12] } 24. Bxc8 { [%eval 0.0] [%clk 0:31:33] } 24... d2 { [%eval 0.0] [%clk 0:18:36] } 25. Bg4 { [%eval 0.0] [%clk 0:31:48] } 25... f5 { [%eval 0.0] [%clk 0:18:55] } 26. Bd1 { [%eval 0.0] [%clk 0:25:32] } 26... Kf7 { [%eval 0.0] [%clk 0:17:06] } 27. Bb3+ { [%eval 0.0] [%clk 0:25:59] } 27... Ke8 { [%eval 0.0] [%clk 0:17:07] } 28. Kf1 { [%eval 0.0] [%clk 0:25:57] } 28... Bb2 { [%eval 0.0] [%clk 0:16:37] } 29. a4 { [%eval 0.0] [%clk 0:19:58] } 29... Ba3 { [%eval 0.0] [%clk 0:17:03] } 30. Ke2 { [%eval -0.04] [%clk 0:18:47] } 30... Bxb4 { [%eval 0.0] [%clk 0:17:28] } 31. Be6 { [%eval -0.09] [%clk 0:18:54] } 31... Bxd6 { [%eval 0.0] [%clk 0:17:40] } 32. Kxd2 { [%eval 0.09] [%clk 0:19:21] } 32... Bc5 { [%eval -0.05] [%clk 0:17:35] } 33. f3 { [%eval 0.0] [%clk 0:19:44] } 1/2-1/2