Event: Najdorf Memorial B
Site: Warsaw POL
Date: 2023-07-14
White: Szefer, Michal
WhiteElo: 1863
Black: Stefaniuk, Zbigniew
BlackElo: 1721
Result: 1/2-1/2
ECO: D78
Opening: Neo-Grünfeld Defense: Classical Variation, Original Defense
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:29:33] } 1... Nf6 { [%eval 0.29] [%clk 1:28:56] } 2. g3 { [%eval 0.05] [%clk 1:29:53] } 2... g6 { [%eval 0.25] [%clk 1:29:01] } 3. Bg2 { [%eval 0.13] [%clk 1:30:13] } 3... Bg7 { [%eval 0.28] [%clk 1:29:21] } 4. O-O { [%eval 0.28] [%clk 1:30:32] } 4... O-O { [%eval 0.25] [%clk 1:29:42] } 5. c4 { [%eval 0.09] [%clk 1:29:32] } 5... c6 { [%eval 0.13] [%clk 1:29:57] } 6. d4 { [%eval 0.12] [%clk 1:28:27] } 6... d5 { [%eval 0.11] [%clk 1:30:11] } 7. b3 { [%eval 0.0] [%clk 1:28:17] } 7... a5 { [%eval 0.21] [%clk 1:28:07] } 8. Nc3 { [%eval 0.22] [%clk 1:16:53] } 8... Ne4 { [%eval 0.23] [%clk 1:15:04] } 9. Bb2 { [%eval 0.23] [%clk 1:15:56] } 9... a4 { [%eval 0.51] [%clk 1:00:46] } 10. Nxa4 { [%eval 0.6] [%clk 1:00:38] } 10... dxc4 { [%eval 0.6] [%clk 0:59:06] } 11. Ne5 { [%eval 0.15] [%clk 1:00:35] } 11... Nd6?! { [%eval 0.89] } { Inaccuracy. cxb3 was best. } { [%clk 0:53:23] } 12. d5?? { [%eval -0.81] } { Blunder. Nxc4 was best. } { [%clk 0:48:58] } 12... cxd5 { [%eval -0.81] [%clk 0:46:11] } 13. Bxd5 { [%eval -0.83] [%clk 0:48:49] } 13... Bh3?! { [%eval -0.12] } { Inaccuracy. Ra5 was best. } { [%clk 0:42:01] } 14. Re1 { [%eval -0.21] [%clk 0:49:02] } 14... cxb3 { [%eval 0.06] [%clk 0:41:00] } 15. axb3 { [%eval 0.06] [%clk 0:39:16] } 15... Nd7 { [%eval 0.08] [%clk 0:34:47] } 16. Nxd7 { [%eval 0.04] [%clk 0:35:52] } 16... Bxd7 { [%eval 0.33] [%clk 0:30:20] } 17. Bxg7 { [%eval 0.44] [%clk 0:36:12] } 17... Kxg7 { [%eval 0.37] [%clk 0:30:31] } 18. Nc5 { [%eval 0.43] [%clk 0:35:03] } 18... Bc6 { [%eval 0.44] [%clk 0:28:20] } 19. Bxc6 { [%eval 0.49] [%clk 0:30:11] } 19... bxc6 { [%eval 0.42] [%clk 0:28:20] } 20. Rxa8 { [%eval 0.21] [%clk 0:30:11] } 20... Qxa8 { [%eval 0.17] [%clk 0:28:40] } 21. Qd4+ { [%eval 0.26] [%clk 0:30:35] } 21... Kg8 { [%eval 0.18] [%clk 0:28:04] } 22. Ra1 { [%eval 0.08] [%clk 0:30:57] } 22... Qc8 { [%eval 0.19] [%clk 0:26:20] } 23. Qe5 { [%eval 0.16] [%clk 0:26:52] } 23... Qc7 { [%eval 0.2] [%clk 0:24:33] } 24. Ra6 { [%eval 0.18] [%clk 0:24:17] } 24... Rc8 { [%eval 0.2] [%clk 0:21:44] } 25. Qa1 { [%eval 0.01] [%clk 0:23:22] } 25... Nb5 { [%eval 0.03] [%clk 0:20:31] } 26. e4 { [%eval 0.0] [%clk 0:20:34] } 26... Qd6 { [%eval 0.0] [%clk 0:18:31] } 27. b4 { [%eval 0.0] [%clk 0:18:23] } 27... e5 { [%eval 0.05] [%clk 0:11:18] } 28. Kg2 { [%eval 0.03] [%clk 0:11:52] } 28... Rb8 { [%eval 0.07] [%clk 0:09:15] } 29. Ra8 { [%eval 0.0] [%clk 0:09:13] } 29... Rxa8 { [%eval 0.0] [%clk 0:08:04] } 30. Qxa8+ { [%eval 0.0] [%clk 0:09:38] } 30... Kg7 { [%eval 0.0] [%clk 0:08:09] } 1/2-1/2