Event: Najdorf Memorial
Site: Warsaw POL
Date: 2023-07-19
White: Cherniaiev, Tykhon
WhiteElo: 2331
Black: Kowalczyk, Rafal
BlackElo: 2173
Result: 0-1
ECO: D27
Opening: Queen's Gambit Accepted: Classical Defense, Rubinstein Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:59] } 1... d5 { [%eval 0.27] [%clk 1:25:48] } 2. c4 { [%eval 0.29] [%clk 1:31:19] } 2... dxc4 { [%eval 0.33] [%clk 1:23:28] } 3. Nf3 { [%eval 0.0] [%clk 1:31:30] } 3... Nf6 { [%eval 0.32] [%clk 1:23:39] } 4. e3 { [%eval 0.27] [%clk 1:31:51] } 4... e6 { [%eval 0.47] [%clk 1:23:58] } 5. Bxc4 { [%eval 0.25] [%clk 1:32:10] } 5... a6 { [%eval 0.45] [%clk 1:23:58] } 6. a4 { [%eval 0.15] [%clk 1:30:08] } 6... c5 { [%eval 0.17] [%clk 1:24:12] } 7. O-O { [%eval 0.15] [%clk 1:30:21] } 7... Nc6 { [%eval 0.2] [%clk 1:19:57] } 8. dxc5 { [%eval 0.02] [%clk 1:28:57] } 8... Qc7 { [%eval 0.25] [%clk 1:17:04] } 9. b3 { [%eval 0.22] [%clk 1:24:51] } 9... Bxc5 { [%eval 0.28] [%clk 1:17:02] } 10. Bb2 { [%eval 0.22] [%clk 1:23:48] } 10... O-O { [%eval 0.55] [%clk 1:15:01] } 11. Nc3 { [%eval 0.29] [%clk 1:20:36] } 11... b6 { [%eval 0.37] [%clk 1:13:27] } 12. Rc1 { [%eval -0.04] [%clk 1:16:38] } 12... Bb7 { [%eval -0.09] [%clk 1:11:40] } 13. Qe2 { [%eval -0.49] [%clk 1:09:44] } 13... h6 { [%eval -0.19] [%clk 0:52:38] } 14. h3 { [%eval -0.3] [%clk 1:08:59] } 14... Na5 { [%eval -0.38] [%clk 0:49:21] } 15. Nb1 { [%eval -0.42] [%clk 0:54:17] } 15... Nxc4 { [%eval -0.37] [%clk 0:36:56] } 16. Rxc4 { [%eval -0.45] [%clk 0:49:08] } 16... Qe7 { [%eval -0.34] [%clk 0:32:49] } 17. Ne5 { [%eval -0.52] [%clk 0:40:29] } 17... Bd5 { [%eval -0.52] [%clk 0:25:15] } 18. Rf4 { [%eval -0.6] [%clk 0:37:46] } 18... Nd7 { [%eval -0.34] [%clk 0:22:57] } 19. Nxd7 { [%eval -0.59] [%clk 0:17:25] } 19... Qxd7 { [%eval -0.5] [%clk 0:23:18] } 20. Rd1 { [%eval -0.69] } 20... Qe7?! { [%eval -0.1] } { Inaccuracy. Qb7 was best. } { [%clk 0:21:55] } 21. b4 { [%eval 0.0] [%clk 0:14:56] } 21... Bd6 { [%eval -0.02] [%clk 0:21:37] } 22. Rg4 { [%eval 0.0] [%clk 0:14:54] } 22... f6 { [%eval -0.04] [%clk 0:21:02] } 23. e4? { [%eval -1.39] } { Mistake. b5 was best. } { [%clk 0:12:05] } 23... Bb3 { [%eval -1.2] [%clk 0:19:41] } 24. Rf1?! { [%eval -2.28] } { Inaccuracy. Rc1 was best. } { [%clk 0:10:50] } 24... e5? { [%eval -0.63] } { Mistake. Bxa4 was best. } { [%clk 0:11:43] } 25. Bc3?! { [%eval -1.57] } { Inaccuracy. Nc3 was best. } { [%clk 0:08:18] } 25... Be6 { [%eval -1.23] [%clk 0:08:57] } 26. Rg3 { [%eval -1.05] [%clk 0:08:34] } 26... Bxb4 { [%eval -0.54] [%clk 0:09:09] } 27. Bb2? { [%eval -1.86] } { Mistake. Bxb4 was best. } { [%clk 0:07:51] } 27... Bc5 { [%eval -1.67] [%clk 0:07:39] } 28. Nc3 { [%eval -1.8] [%clk 0:07:27] } 28... Rfd8 { [%eval -1.78] [%clk 0:05:36] } 29. Nd5?! { [%eval -2.44] } { Inaccuracy. Bc1 was best. } { [%clk 0:06:23] } 29... Bxd5 { [%eval -2.36] [%clk 0:03:22] } 30. exd5 { [%eval -2.37] [%clk 0:06:52] } 30... Rxd5 { [%eval -2.44] [%clk 0:03:42] } 31. Bc1 { [%eval -2.37] [%clk 0:05:41] } 31... Kh8 { [%eval -2.27] [%clk 0:01:39] } 32. Qh5 { [%eval -2.71] [%clk 0:04:12] } 32... Qe8 { [%eval -2.54] [%clk 0:01:50] } 33. Qf5 { [%eval -2.82] [%clk 0:03:48] } 33... Qf7 { [%eval -2.33] [%clk 0:00:48] } 34. Re1 { [%eval -2.86] [%clk 0:02:54] } 34... Rad8 { [%eval -2.93] [%clk 0:00:35] } 35. Qf3 { [%eval -3.66] [%clk 0:02:29] } 35... Bf8?! { [%eval -2.64] } { Inaccuracy. e4 was best. } { [%clk 0:00:31] } 36. Kh2 { [%eval -3.32] [%clk 0:02:07] } 36... Rd4 { [%eval -2.72] [%clk 0:00:35] } 37. Qc6 { [%eval -2.94] [%clk 0:01:59] } 37... R4d6 { [%eval -2.38] [%clk 0:00:33] } 38. Qf3 { [%eval -2.71] [%clk 0:01:56] } 38... Rd4 { [%eval -2.49] [%clk 0:00:57] } 39. Qc6?! { [%eval -3.25] } { Inaccuracy. Ba3 was best. } { [%clk 0:02:18] } 39... R4d6?! { [%eval -2.36] } { Inaccuracy. Bc5 was best. } { [%clk 0:01:08] } 40. Qf3 { [%eval -2.52] [%clk 0:32:31] } 40... b5 { [%eval -2.37] [%clk 0:30:35] } 41. axb5 { [%eval -2.06] [%clk 0:31:01] } 41... axb5 { [%eval -2.06] [%clk 0:28:36] } 42. Rxe5 { [%eval -2.25] [%clk 0:28:07] } 42... Rd3 { [%eval -1.9] [%clk 0:24:18] } 43. Qf5 { [%eval -2.39] [%clk 0:25:31] } 43... Rxg3 { [%eval -2.55] [%clk 0:23:18] } 44. fxg3 { [%eval -2.56] [%clk 0:25:52] } 44... b4?! { [%eval -1.88] } { Inaccuracy. Qc4 was best. } { [%clk 0:20:09] } 45. Rb5 { [%eval -1.5] [%clk 0:25:18] } 45... Qd7 { [%eval -1.65] [%clk 0:19:46] } 46. Qxd7 { [%eval -1.87] [%clk 0:14:59] } 46... Rxd7 { [%eval -1.52] [%clk 0:20:09] } 47. h4? { [%eval -3.0] } { Mistake. Be3 was best. } { [%clk 0:14:16] } 47... Rd3 { [%eval -3.4] [%clk 0:17:58] } 48. Bf4 { [%eval -3.53] [%clk 0:13:59] } 48... g5 { [%eval -3.63] [%clk 0:12:56] } 49. hxg5 { [%eval -3.74] [%clk 0:13:48] } 49... hxg5 { [%eval -3.91] [%clk 0:13:07] } 50. Bc1?! { [%eval -5.18] } { Inaccuracy. Bc7 was best. } { [%clk 0:12:50] } 50... Bd6 { [%eval -5.62] [%clk 0:13:14] } 51. Bb2 { [%eval -4.66] [%clk 0:12:01] } 51... Bxg3+ { [%eval -6.03] [%clk 0:13:30] } 52. Kh3 { [%eval -6.1] [%clk 0:12:25] } 52... Be5+ { [%eval -5.87] [%clk 0:13:48] } 53. Kg4 { [%eval -5.42] [%clk 0:12:49] } 53... Bxb2 { [%eval -5.64] [%clk 0:14:06] } 54. Rb7 { [%eval -6.16] [%clk 0:13:05] } 54... Kg8 { [%eval -5.75] [%clk 0:12:41] } 55. Kf5 { [%eval -6.15] [%clk 0:13:29] } 55... Bc3 { [%eval -6.29] [%clk 0:12:53] } 56. Kg6 { [%eval -6.69] [%clk 0:13:19] } 56... Kf8 { [%eval -7.11] [%clk 0:13:16] } 57. g4 { [%eval -7.67] [%clk 0:13:29] } 57... Ke8 { [%eval -7.41] [%clk 0:13:38] } 58. Kf5 { [%eval -7.65] [%clk 0:13:46] } 58... Re3 { [%eval -7.7] [%clk 0:13:54] } 59. Rb6 { [%eval -7.77] [%clk 0:13:54] } 59... Kd7 { [%eval -7.66] [%clk 0:14:16] } 60. Rb5? { [%eval #-18] } { Checkmate is now unavoidable. Kg6 was best. } { [%clk 0:13:51] } 60... Re5+ { [%eval #-15] [%clk 0:14:37] } 61. Rxe5 { [%clk 0:14:14] } 61... fxe5 { [%clk 0:14:07] } 62. Kxg5 { [%clk 0:14:38] } 62... b3 { [%clk 0:14:32] } 63. Kh6 { [%clk 0:15:01] } 63... b2 { [%clk 0:14:55] } 64. g5 { [%clk 0:15:27] } 64... b1=Q { [%clk 0:15:11] } 65. g6 { [%clk 0:15:51] } 65... Ke6 { [%clk 0:15:12] } 66. g7 { [%clk 0:16:16] } 66... Kf6 { [%clk 0:15:15] } 67. g8=Q { [%clk 0:16:39] } 67... Qh1# { [%clk 0:15:38] } 0-1