Event: Najdorf Memorial
Site: Warsaw POL
Date: 2023-07-17
White: Cherniaiev, Tykhon
WhiteElo: 2331
Black: Majocha, Piotr
BlackElo: 1979
Result: 1-0
ECO: D91
Opening: Grünfeld Defense: Three Knights Variation, Petrosian System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:49] } 1... Nf6 { [%eval 0.28] [%clk 1:30:45] } 2. c4 { [%eval 0.16] [%clk 1:31:11] } 2... g6 { [%eval 0.3] [%clk 1:30:05] } 3. Nc3 { [%eval 0.31] [%clk 1:31:28] } 3... d5 { [%eval 0.2] [%clk 1:29:58] } 4. Nf3 { [%eval 0.22] [%clk 1:31:44] } 4... Bg7 { [%eval 0.27] [%clk 1:30:06] } 5. Bg5 { [%eval 0.17] [%clk 1:32:06] } 5... Ne4 { [%eval 0.13] [%clk 1:29:58] } 6. cxd5 { [%eval 0.0] [%clk 1:32:20] } 6... Nxg5 { [%eval 0.0] [%clk 1:30:14] } 7. Nxg5 { [%eval 0.0] [%clk 1:32:44] } 7... e6 { [%eval -0.17] [%clk 1:30:09] } 8. Nf3 { [%eval -0.21] [%clk 1:32:30] } 8... exd5 { [%eval -0.19] [%clk 1:30:30] } 9. e3 { [%eval -0.19] [%clk 1:32:54] } 9... O-O { [%eval -0.32] [%clk 1:30:25] } 10. Be2 { [%eval -0.22] [%clk 1:33:01] } 10... a5 { [%eval -0.27] [%clk 1:27:35] } 11. O-O { [%eval -0.27] [%clk 1:33:08] } 11... c6 { [%eval -0.29] [%clk 1:27:20] } 12. a3 { [%eval -0.24] [%clk 1:32:34] } 12... Bg4 { [%eval -0.17] [%clk 1:25:33] } 13. b4 { [%eval -0.5] [%clk 1:26:52] } 13... axb4?! { [%eval 0.1] } { Inaccuracy. b5 was best. } { [%clk 1:22:26] } 14. axb4 { [%eval 0.01] [%clk 1:26:52] } 14... Rxa1 { [%eval 0.08] [%clk 1:22:41] } 15. Qxa1 { [%eval 0.0] [%clk 1:27:16] } 15... b5 { [%eval 0.04] [%clk 1:22:58] } 16. Nd2 { [%eval 0.0] [%clk 1:12:41] } 16... Bxe2 { [%eval 0.3] [%clk 1:19:41] } 17. Nxe2 { [%eval 0.13] [%clk 1:12:58] } 17... Qe7 { [%eval 0.56] [%clk 1:14:53] } 18. Qc3 { [%eval 0.32] [%clk 1:11:38] } 18... Rc8 { [%eval 0.34] [%clk 1:14:22] } 19. Nf4 { [%eval 0.18] [%clk 1:08:52] } 19... Rc7 { [%eval 0.54] [%clk 1:08:11] } 20. Ra1 { [%eval 0.58] [%clk 1:05:06] } 20... Ra7 { [%eval 0.62] [%clk 1:07:51] } 21. Nd3 { [%eval 0.56] [%clk 1:05:19] } 21... Bf8 { [%eval 0.63] [%clk 0:53:53] } 22. Nb3 { [%eval 0.45] [%clk 1:00:01] } 22... Rxa1+ { [%eval 0.39] [%clk 0:39:46] } 23. Qxa1 { [%eval 0.45] [%clk 0:59:30] } 23... Qc7 { [%eval 0.69] [%clk 0:32:28] } 24. h3 { [%eval 0.74] [%clk 0:42:57] } 24... f6?! { [%eval 1.63] } { Inaccuracy. Nd7 was best. } { [%clk 0:27:54] } 25. h4?! { [%eval 0.85] } { Inaccuracy. Qa8 was best. } { [%clk 0:40:37] } 25... Kf7?! { [%eval 1.56] } { Inaccuracy. Nd7 was best. } { [%clk 0:26:51] } 26. h5?! { [%eval 0.74] } { Inaccuracy. Qa8 was best. } { [%clk 0:39:52] } 26... Bd6 { [%eval 1.04] [%clk 0:25:26] } 27. hxg6+ { [%eval 0.95] [%clk 0:25:49] } 27... hxg6 { [%eval 1.08] [%clk 0:25:50] } 28. Qa2 { [%eval 0.67] [%clk 0:25:44] } 28... Qe7 { [%eval 0.95] [%clk 0:20:51] } 29. Nbc5 { [%eval 1.37] [%clk 0:21:49] } 29... Bxc5 { [%eval 1.3] [%clk 0:20:07] } 30. bxc5 { [%eval 1.26] [%clk 0:14:02] } 30... Qb7 { [%eval 1.26] [%clk 0:15:36] } 31. Nb4 { [%eval 1.16] } 31... f5 { [%eval 1.27] [%clk 0:14:00] } 32. Qa5 { [%eval 0.76] [%clk 0:13:43] } 32... Qc8? { [%eval 2.08] } { Mistake. Ke8 was best. } { [%clk 0:11:32] } 33. Qa8 { [%eval 1.88] [%clk 0:12:35] } 33... Qc7 { [%eval 2.06] [%clk 0:11:45] } 34. Nd3 { [%eval 1.93] [%clk 0:11:51] } 34... Kf6 { [%eval 2.49] [%clk 0:10:31] } 35. g3 { [%eval 2.21] [%clk 0:10:05] } 35... Kf7 { [%eval 2.82] [%clk 0:10:30] } 36. Kg2?! { [%eval 2.0] } { Inaccuracy. Ne5+ was best. } { [%clk 0:09:29] } 36... Kf6 { [%eval 2.44] [%clk 0:10:52] } 37. Kf1 { [%eval 2.67] [%clk 0:04:37] } 37... Kf7 { [%eval 2.76] [%clk 0:09:56] } 38. Ke2 { [%eval 2.91] [%clk 0:04:12] } 38... Kf6 { [%eval 3.06] [%clk 0:08:21] } 39. Kd2 { [%eval 2.89] [%clk 0:03:25] } 39... Kf7 { [%eval 3.39] [%clk 0:08:37] } 40. Kc3 { [%eval 2.86] [%clk 0:32:56] } 40... Kf6 { [%eval 3.3] [%clk 0:37:41] } 41. Ne5 { [%eval 3.61] [%clk 0:30:09] } 41... Kg7 { [%eval 3.65] [%clk 0:32:03] } 42. Kb4 { [%eval 3.65] [%clk 0:28:21] } 42... Kh7?! { [%eval 4.74] } { Inaccuracy. g5 was best. } { [%clk 0:30:15] } 43. Qa5 { [%eval 4.36] [%clk 0:20:34] } 43... Qb7?! { [%eval 5.7] } { Inaccuracy. Qe7 was best. } { [%clk 0:29:19] } 44. Qb6 { [%eval 5.57] [%clk 0:18:14] } 44... Qa8 { [%eval 7.13] [%clk 0:29:33] } 45. Qc7+ { [%eval 10.46] [%clk 0:18:16] } 45... Kh6?! { [%eval #6] } { Checkmate is now unavoidable. Nd7 was best. } { [%clk 0:29:51] } 46. Nf7+ { [%eval #5] [%clk 0:18:18] } 46... Kh5 { [%clk 0:30:05] } 47. g4+ { [%clk 0:18:40] } 1-0