Event: Najdorf Memorial B
Site: Warsaw POL
Date: 2023-07-12
White: Mazus, Jakub
WhiteElo: 1600
Black: Zeissel, Andrzej
BlackElo: 1813
Result: 1/2-1/2
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:30:56] } 2. Nf3 { [%eval 0.0] [%clk 1:31:23] } 2... e6 { [%eval 0.34] [%clk 1:31:23] } 3. d4 { [%eval 0.42] [%clk 1:31:49] } 3... cxd4 { [%eval 0.37] [%clk 1:31:51] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:13] } 4... a6 { [%eval 0.58] [%clk 1:32:19] } 5. Bd3 { [%eval 0.42] [%clk 1:32:38] } 5... Bc5 { [%eval 0.52] [%clk 1:32:44] } 6. Nb3 { [%eval 0.52] [%clk 1:33:03] } 6... Ba7 { [%eval 0.63] [%clk 1:33:13] } 7. Qe2 { [%eval 0.49] [%clk 1:33:24] } 7... Ne7 { [%eval 0.49] [%clk 1:33:22] } 8. Be3 { [%eval 0.38] [%clk 1:33:42] } 8... Nbc6 { [%eval 0.57] [%clk 1:33:34] } 9. Bxa7 { [%eval 0.41] [%clk 1:32:50] } 9... Rxa7 { [%eval 0.42] [%clk 1:34:03] } 10. Qe3 { [%eval 0.16] [%clk 1:32:06] } 10... d5 { [%eval 0.19] [%clk 1:30:46] } 11. exd5 { [%eval -0.23] [%clk 1:25:46] } 11... Nxd5 { [%eval -0.09] [%clk 1:30:34] } 12. Qg3 { [%eval 0.05] [%clk 1:16:09] } 12... O-O { [%eval -0.18] [%clk 1:28:32] } 13. Nc3 { [%eval -0.2] [%clk 1:12:57] } 13... Nxc3 { [%eval -0.21] [%clk 1:18:56] } 14. bxc3 { [%eval -0.12] [%clk 1:13:19] } 14... e5 { [%eval 0.05] [%clk 1:14:42] } 15. O-O { [%eval 0.07] [%clk 1:08:02] } 15... f5 { [%eval 0.27] [%clk 0:59:35] } 16. Bc4+ { [%eval 0.03] [%clk 0:59:13] } 16... Kh8 { [%eval 0.03] [%clk 1:00:03] } 17. Rad1 { [%eval 0.0] [%clk 0:56:45] } 17... Qf6 { [%eval -0.03] [%clk 0:59:04] } 18. Rfe1 { [%eval -0.02] [%clk 0:53:53] } 18... e4 { [%eval -0.16] [%clk 0:44:15] } 19. Qe3 { [%eval -0.5] [%clk 0:47:36] } 19... Ra8?! { [%eval 0.07] } { Inaccuracy. b5 was best. } { [%clk 0:35:07] } 20. Nd4 { [%eval -0.3] [%clk 0:37:42] } 20... Ne5 { [%eval 0.04] [%clk 0:34:29] } 21. Bd5 { [%eval 0.09] [%clk 0:36:15] } 21... Qd6 { [%eval 0.17] [%clk 0:24:47] } 22. Ne2 { [%eval 0.32] [%clk 0:30:53] } 22... Ng4 { [%eval 0.21] [%clk 0:18:32] } 23. Qf4 { [%eval 0.15] [%clk 0:29:41] } 23... Qc5 { [%eval 0.41] [%clk 0:18:58] } 24. Bb3 { [%eval 0.0] [%clk 0:20:29] } 24... g5 { [%eval -0.02] [%clk 0:13:03] } 25. Qxg5 { [%eval 0.0] [%clk 0:14:56] } 25... Qxf2+ { [%eval 0.0] [%clk 0:13:24] } 26. Kh1 { [%eval 0.0] [%clk 0:15:20] } 26... Qc5?? { [%eval 2.67] } { Blunder. f4 was best. } { [%clk 0:10:50] } 27. Rd4?? { [%eval 0.29] } { Blunder. Rf1 was best. } { [%clk 0:13:23] } 27... Bd7?? { [%eval 2.35] } { Blunder. Qc7 was best. } { [%clk 0:09:55] } 28. h3 { [%eval 2.39] [%clk 0:11:02] } 28... Nf2+? { [%eval 4.22] } { Mistake. Nf6 was best. } { [%clk 0:09:50] } 29. Kh2 { [%eval 4.56] [%clk 0:08:47] } 29... Qe5+ { [%eval 4.77] [%clk 0:08:41] } 30. Qf4?? { [%eval 1.94] } { Blunder. Nf4 was best. } { [%clk 0:05:09] } 30... Qxf4+ { [%eval 2.13] [%clk 0:08:47] } 31. Nxf4 { [%eval 2.02] [%clk 0:05:33] } 31... Bc6 { [%eval 1.81] [%clk 0:07:52] } 32. Re3 { [%eval 1.5] [%clk 0:05:17] } 32... Rfd8 { [%eval 1.42] [%clk 0:07:45] } 33. Bd5 { [%eval 1.83] [%clk 0:04:01] } 33... Bxd5 { [%eval 1.62] [%clk 0:06:43] } 34. Nxd5 { [%eval 1.73] [%clk 0:04:23] } 34... Rd6?! { [%eval 2.46] } { Inaccuracy. Rd7 was best. } { [%clk 0:05:00] } 35. Kg3?? { [%eval 0.06] } { Blunder. Re2 was best. } { [%clk 0:02:49] } 35... Rad8 { [%eval 0.05] [%clk 0:04:50] } 36. c4 { [%eval 0.05] [%clk 0:01:56] } 36... b5 { [%eval 0.04] [%clk 0:04:11] } 37. Kxf2 { [%eval 0.05] [%clk 0:01:21] } 37... bxc4 { [%eval 0.05] [%clk 0:04:40] } 38. Rxc4 { [%eval 0.04] [%clk 0:00:55] } 38... Rxd5 { [%eval 0.06] [%clk 0:05:08] } 39. Re2 { [%eval 0.0] [%clk 0:00:44] } 39... Kg7 { [%eval 0.05] [%clk 0:03:24] } 40. Ke3 { [%eval 0.0] [%clk 0:30:57] } 40... Kf6 { [%eval 0.03] [%clk 0:32:21] } 41. g4 { [%eval 0.03] [%clk 0:26:09] } 41... fxg4 { [%eval 0.1] [%clk 0:15:47] } 42. hxg4 { [%eval 0.1] [%clk 0:26:24] } 42... Kg5 { [%eval 0.09] [%clk 0:13:27] } 43. Rxe4 { [%eval 0.1] [%clk 0:26:23] } 43... Ra5 { [%eval 0.09] [%clk 0:11:47] } 1/2-1/2