Event: Najdorf Memorial
Site: Warsaw POL
Date: 2023-07-17
White: Biesiadecki, Adam
WhiteElo: 2015
Black: Niezhentsev, Kyrylo
BlackElo: 2057
Result: 1-0
ECO: E15
Opening: Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:29:53] } 1... Nf6 { [%eval 0.28] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:30:15] } 2... e6 { [%eval 0.23] [%clk 1:31:23] } 3. Nf3 { [%eval 0.0] [%clk 1:30:36] } 3... b6 { [%eval 0.29] [%clk 1:31:43] } 4. g3 { [%eval 0.18] [%clk 1:30:41] } 4... Ba6 { [%eval 0.19] [%clk 1:31:58] } 5. Qc2 { [%eval 0.0] [%clk 1:30:08] } 5... c5 { [%eval 0.12] [%clk 1:31:57] } 6. Bg2 { [%eval 0.13] [%clk 1:29:43] } 6... Bb7 { [%eval 0.26] [%clk 1:28:19] } 7. O-O { [%eval 0.35] [%clk 1:23:22] } 7... Be7 { [%eval 0.55] [%clk 1:27:15] } 8. Nc3 { [%eval 0.37] [%clk 1:22:46] } 8... Nc6?! { [%eval 1.09] } { Inaccuracy. cxd4 was best. } { [%clk 1:24:11] } 9. dxc5?! { [%eval 0.36] } { Inaccuracy. d5 was best. } { [%clk 1:21:48] } 9... bxc5 { [%eval 0.31] [%clk 1:22:50] } 10. Rd1 { [%eval 0.44] [%clk 1:16:29] } 10... d5? { [%eval 1.63] } { Mistake. O-O was best. } { [%clk 1:04:47] } 11. cxd5 { [%eval 1.45] [%clk 1:15:49] } 11... exd5 { [%eval 1.41] [%clk 1:05:15] } 12. Nxd5 { [%eval 1.0] [%clk 0:58:39] } 12... Nxd5 { [%eval 0.84] [%clk 1:05:36] } 13. e4 { [%eval 0.89] [%clk 0:58:46] } 13... Ncb4 { [%eval 0.82] [%clk 1:03:35] } 14. Qa4+ { [%eval 0.95] [%clk 0:57:21] } 14... Bc6 { [%eval 1.08] [%clk 1:03:15] } 15. Qb3 { [%eval 0.95] [%clk 0:57:10] } 15... Qa5 { [%eval 1.09] [%clk 1:00:19] } 16. Rxd5? { [%eval -0.42] } { Mistake. exd5 was best. } { [%clk 0:46:01] } 16... Nxd5 { [%eval -0.39] [%clk 0:57:45] } 17. exd5 { [%eval -0.77] [%clk 0:46:26] } 17... c4 { [%eval -0.59] [%clk 0:57:15] } 18. Qe3 { [%eval -1.02] [%clk 0:44:56] } 18... Qxd5 { [%eval -1.03] [%clk 0:46:46] } 19. Bd2 { [%eval -1.08] [%clk 0:44:31] } 19... Qe6?? { [%eval 5.04] } { Blunder. Qc5 was best. } { [%clk 0:38:53] } 20. Nd4 { [%eval 5.03] [%clk 0:44:08] } 20... Qxe3 { [%eval 4.86] [%clk 0:37:30] } 21. Bxc6+ { [%eval 5.03] [%clk 0:44:33] } 21... Kf8 { [%eval 5.1] [%clk 0:37:42] } 22. Bxe3 { [%eval 5.02] [%clk 0:44:50] } 22... Rb8 { [%eval 5.01] [%clk 0:37:02] } 23. Nf5 { [%eval 4.93] [%clk 0:42:25] } 23... f6 { [%eval 5.42] [%clk 0:31:49] } 24. Rd1 { [%eval 5.59] [%clk 0:38:05] } 24... g6 { [%eval 5.39] [%clk 0:28:45] } 25. Nxe7 { [%eval 5.66] [%clk 0:34:25] } 25... Kxe7 { [%eval 5.89] [%clk 0:29:13] } 26. Bc5+ { [%eval 6.05] [%clk 0:34:49] } 26... Kf7?? { [%eval #7] } { Checkmate is now unavoidable. Ke6 was best. } { [%clk 0:26:11] } 27. Rd7+ { [%eval #6] [%clk 0:34:54] } 27... Ke6 { [%eval #6] [%clk 0:25:18] } 28. Re7+ { [%eval #5] [%clk 0:31:04] } 28... Kf5 { [%eval #5] [%clk 0:25:39] } 29. Bd7+?? { [%eval 6.26] } { Lost forced checkmate sequence. h3 was best. } { [%clk 0:28:05] } 29... Kg5 { [%eval 6.21] [%clk 0:26:00] } 30. Be3+ { [%eval 6.23] [%clk 0:24:39] } 30... Kh5 { [%eval 6.52] [%clk 0:26:20] } 31. g4+ { [%eval 5.62] [%clk 0:20:38] } 31... Kh4 { [%eval 5.56] [%clk 0:26:48] } 32. g5 { [%eval 4.76] [%clk 0:19:53] } 32... f5 { [%eval 4.7] [%clk 0:24:38] } 33. Bd4 { [%eval 4.78] [%clk 0:19:05] } 33... Rhf8 { [%eval 5.6] [%clk 0:24:11] } 34. Be5 { [%eval 5.22] [%clk 0:16:37] } 34... Rb6?? { [%eval #11] } { Checkmate is now unavoidable. Rh8 was best. } { [%clk 0:24:18] } 35. f3?? { [%eval 6.06] } { Lost forced checkmate sequence. Rxh7+ was best. } { [%clk 0:15:40] } 35... h5 { [%eval 6.02] [%clk 0:20:59] } 36. gxh6 { [%eval 6.05] [%clk 0:15:07] } 1-0