Event: Najdorf Memorial
Site: Warsaw POL
Date: 2023-07-17
White: Kowalczyk, Rafal
WhiteElo: 2173
Black: Tsiapko, Andrii
BlackElo: 1996
Result: 0-1
ECO: D35
Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:23] } 1... d5 { [%eval 0.27] [%clk 1:30:49] } 2. c4 { [%eval 0.29] [%clk 1:30:14] } 2... e6 { [%eval 0.3] [%clk 1:31:07] } 3. Nc3 { [%eval 0.39] [%clk 1:30:34] } 3... Nf6 { [%eval 0.43] [%clk 1:31:31] } 4. cxd5 { [%eval 0.39] [%clk 1:30:35] } 4... exd5 { [%eval 0.38] [%clk 1:31:55] } 5. Bg5 { [%eval 0.35] [%clk 1:30:56] } 5... Be7 { [%eval 0.28] [%clk 1:32:01] } 6. e3 { [%eval 0.25] [%clk 1:31:12] } 6... c6 { [%eval 0.43] [%clk 1:32:20] } 7. Bd3 { [%eval 0.49] [%clk 1:30:49] } 7... Nbd7 { [%eval 0.43] [%clk 1:32:33] } 8. Nf3 { [%eval 0.35] [%clk 1:29:58] } 8... Nh5 { [%eval 0.48] [%clk 1:32:19] } 9. h4 { [%eval 0.3] [%clk 1:25:26] } 9... h6 { [%eval 0.34] [%clk 1:25:51] } 10. Bxe7 { [%eval 0.42] [%clk 1:23:05] } 10... Qxe7 { [%eval 0.33] [%clk 1:25:44] } 11. Qc2 { [%eval 0.28] [%clk 1:23:17] } 11... Nb6 { [%eval 0.22] [%clk 1:06:27] } 12. Ne5 { [%eval 0.21] [%clk 1:17:02] } 12... Nf6 { [%eval 0.21] [%clk 1:05:03] } 13. O-O-O { [%eval 0.06] [%clk 1:17:06] } 13... Ng4 { [%eval 0.11] [%clk 1:04:08] } 14. Nxg4 { [%eval 0.17] [%clk 1:11:34] } 14... Bxg4 { [%eval 0.25] [%clk 1:04:30] } 15. Rde1 { [%eval 0.11] [%clk 1:11:25] } 15... O-O-O { [%eval 0.16] [%clk 1:02:26] } 16. Kb1 { [%eval 0.0] [%clk 1:02:59] } 16... Kb8 { [%eval 0.1] [%clk 1:02:17] } 17. Rc1 { [%eval -0.02] [%clk 0:59:25] } 17... Rhe8 { [%eval 0.03] [%clk 0:58:08] } 18. Ka1 { [%eval 0.04] [%clk 0:47:08] } 18... Rc8 { [%eval 0.02] [%clk 0:44:24] } 19. Nb1 { [%eval -0.14] [%clk 0:39:57] } 19... Qf6 { [%eval -0.11] [%clk 0:39:01] } 20. b4 { [%eval -0.44] [%clk 0:29:04] } 20... Nc4 { [%eval -0.31] [%clk 0:28:21] } 21. Bxc4 { [%eval -0.32] [%clk 0:27:58] } 21... dxc4 { [%eval -0.29] [%clk 0:28:42] } 22. Qb2 { [%eval -0.31] [%clk 0:27:41] } 22... b5 { [%eval -0.27] [%clk 0:28:16] } 23. Nc3 { [%eval -0.63] [%clk 0:25:59] } 23... Bf5 { [%eval -0.57] [%clk 0:27:40] } 24. a4 { [%eval -0.77] [%clk 0:18:20] } 24... a6 { [%eval -0.58] [%clk 0:26:31] } 25. a5 { [%eval -0.53] [%clk 0:17:04] } 25... Bd3 { [%eval -0.69] [%clk 0:25:59] } 26. Ka2 { [%eval -0.61] [%clk 0:14:34] } 26... Qg6 { [%eval -0.55] [%clk 0:23:16] } 27. Rcg1 { [%eval -0.39] [%clk 0:11:30] } 27... f5 { [%eval -0.84] [%clk 0:22:20] } 28. h5 { [%eval -0.85] [%clk 0:02:17] } 28... Qg4?! { [%eval -0.17] } { Inaccuracy. Qg5 was best. } { [%clk 0:19:28] } 29. f3?! { [%eval -1.13] } { Inaccuracy. g3 was best. } { [%clk 0:01:25] } 29... Qg5 { [%eval -0.97] [%clk 0:18:56] } 30. f4 { [%eval -1.11] [%clk 0:01:47] } 30... Qf6 { [%eval -1.09] [%clk 0:14:32] } 31. Rh3 { [%eval -1.06] [%clk 0:02:08] } 31... Re7 { [%eval -0.71] [%clk 0:12:52] } 32. Nd1 { [%eval -0.79] [%clk 0:01:28] } 32... Rce8 { [%eval -0.78] [%clk 0:10:30] } 33. Ka3 { [%eval -0.7] [%clk 0:00:39] } 33... Ka7 { [%eval -0.67] [%clk 0:10:21] } 34. Qf2? { [%eval -1.96] } { Mistake. Rg3 was best. } { [%clk 0:00:38] } 34... c5 { [%eval -2.25] [%clk 0:06:45] } 35. dxc5?? { [%eval -5.05] } { Blunder. Qb2 was best. } { [%clk 0:00:45] } 35... c3?? { [%eval -2.48] } { Blunder. Bc2 was best. } { [%clk 0:07:05] } 36. e4 { [%eval -2.88] [%clk 0:00:32] } 36... fxe4?? { [%eval 0.0] } { Blunder. c2 was best. } { [%clk 0:04:32] } 37. c6+?! { [%eval -1.02] } { Inaccuracy. Ne3 was best. } { [%clk 0:00:45] } 37... Ka8 { [%eval -0.9] [%clk 0:04:06] } 38. Qb6?? { [%eval -5.48] } { Blunder. Qc5 was best. } { [%clk 0:00:33] } 38... c2 { [%eval -5.44] [%clk 0:04:11] } 39. Nb2 { [%eval -5.91] [%clk 0:01:02] } 39... Qc3+ { [%eval -5.51] [%clk 0:03:06] } 40. Ka2 { [%eval -5.65] [%clk 0:31:30] } 40... c1=N+ { [%eval -5.34] [%clk 0:31:59] } 41. Rxc1 { [%eval -6.1] [%clk 0:27:21] } 41... Qxc1 { [%eval -5.36] [%clk 0:32:12] } 42. Re3?? { [%eval #-9] } { Checkmate is now unavoidable. c7 was best. } { [%clk 0:23:23] } 42... Bc2 { [%eval #-8] [%clk 0:31:25] } 43. Qxa6+ { [%eval #-8] [%clk 0:21:22] } 43... Ra7 { [%eval #-7] [%clk 0:31:46] } 0-1