Event: Najdorf Memorial B
Site: Warsaw POL
Date: 2023-07-15
White: Mazus, Jakub
WhiteElo: 1600
Black: Szefer, Michal
BlackElo: 1863
Result: 1/2-1/2
ECO: B38
Opening: Sicilian Defense: Accelerated Dragon, Maróczy Bind
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:23:10] } 2. Nf3 { [%eval 0.0] [%clk 1:31:22] } 2... Nc6 { [%eval 0.0] [%clk 1:23:14] } 3. d4 { [%eval 0.33] [%clk 1:31:46] } 3... cxd4 { [%eval 0.38] [%clk 1:23:33] } 4. Nxd4 { [%eval 0.29] [%clk 1:32:11] } 4... g6 { [%eval 0.64] [%clk 1:23:35] } 5. c4 { [%eval 0.52] [%clk 1:32:33] } 5... Bg7 { [%eval 0.68] [%clk 1:23:44] } 6. Be3 { [%eval 0.49] [%clk 1:32:57] } 6... Nf6 { [%eval 0.8] [%clk 1:23:26] } 7. Nc3 { [%eval 0.67] [%clk 1:33:18] } 7... O-O { [%eval 0.89] [%clk 1:23:04] } 8. Be2 { [%eval 0.74] [%clk 1:33:34] } 8... d6 { [%eval 0.78] [%clk 1:20:37] } 9. f3 { [%eval 0.47] [%clk 1:32:03] } 9... Be6 { [%eval 0.6] [%clk 1:14:08] } 10. Qd2 { [%eval 0.22] [%clk 1:29:47] } 10... Rc8 { [%eval 0.6] [%clk 1:13:36] } 11. b3 { [%eval 0.45] [%clk 1:29:08] } 11... a6 { [%eval 0.76] [%clk 1:13:47] } 12. O-O { [%eval 0.39] [%clk 1:28:29] } 12... Qc7 { [%eval 0.84] [%clk 1:04:35] } 13. Kh1 { [%eval 0.67] [%clk 1:28:10] } 13... Nd7 { [%eval 0.64] [%clk 1:01:53] } 14. Rac1 { [%eval 0.76] [%clk 1:23:09] } 14... Nde5? { [%eval 2.48] } { Mistake. Bxd4 was best. } { [%clk 0:58:19] } 15. f4?! { [%eval 1.39] } { Inaccuracy. Nd5 was best. } { [%clk 1:18:19] } 15... Nxd4 { [%eval 1.62] [%clk 0:55:13] } 16. Bxd4 { [%eval 1.64] [%clk 1:18:36] } 16... Nc6 { [%eval 1.58] [%clk 0:55:38] } 17. Bxg7 { [%eval 1.22] [%clk 1:18:19] } 17... Kxg7 { [%eval 1.19] [%clk 0:56:04] } 18. f5 { [%eval 1.44] [%clk 1:09:57] } 18... Bd7 { [%eval 1.07] [%clk 0:56:28] } 19. Nd5 { [%eval 1.17] [%clk 1:10:18] } 19... Qd8 { [%eval 1.07] [%clk 0:56:51] } 20. Rc3 { [%eval 1.16] [%clk 1:10:08] } 20... h6? { [%eval 2.75] } { Mistake. f6 was best. } { [%clk 0:52:31] } 21. Rh3 { [%eval 2.26] [%clk 1:05:24] } 21... Rh8 { [%eval 2.0] [%clk 0:52:29] } 22. Nxe7?! { [%eval 1.01] } { Inaccuracy. Rg3 was best. } { [%clk 1:05:32] } 22... Nxe7 { [%eval 0.9] [%clk 0:52:49] } 23. f6+ { [%eval 0.87] [%clk 1:05:57] } 23... Kg8 { [%eval 0.92] [%clk 0:53:10] } 24. fxe7 { [%eval 0.96] [%clk 0:59:39] } 24... Qxe7 { [%eval 0.93] [%clk 0:53:31] } 25. Rd3 { [%eval 1.11] [%clk 0:55:47] } 25... Bc6 { [%eval 1.01] [%clk 0:42:03] } 26. Rxd6 { [%eval 1.1] [%clk 0:51:52] } 26... Qe5 { [%eval 1.04] [%clk 0:36:48] } 27. c5 { [%eval 1.11] [%clk 0:24:06] } 27... Kg7 { [%eval 1.06] [%clk 0:31:40] } 28. Bc4 { [%eval 1.08] [%clk 0:23:21] } 28... Rhf8 { [%eval 0.98] [%clk 0:30:34] } 29. Qd4?! { [%eval 0.33] } { Inaccuracy. h3 was best. } { [%clk 0:10:58] } 29... Qxd4 { [%eval 0.34] [%clk 0:30:22] } 30. Rxd4 { [%eval 0.24] [%clk 0:11:26] } 30... Rce8?! { [%eval 1.02] } { Inaccuracy. Rc7 was best. } { [%clk 0:29:48] } 31. Bd5 { [%eval 0.94] [%clk 0:08:52] } 31... f5?! { [%eval 1.67] } { Inaccuracy. Re7 was best. } { [%clk 0:29:58] } 32. Bxc6 { [%eval 1.52] [%clk 0:08:25] } 32... bxc6 { [%eval 1.59] [%clk 0:30:22] } 33. Rd7+ { [%eval 1.41] [%clk 0:08:11] } 33... Kg8?! { [%eval 2.48] } { Inaccuracy. Rf7 was best. } { [%clk 0:30:25] } 34. Rd6 { [%eval 2.54] [%clk 0:06:53] } 34... fxe4 { [%eval 2.61] [%clk 0:28:35] } 35. Rxf8+? { [%eval 1.14] } { Mistake. Kg1 was best. } { [%clk 0:05:13] } 35... Rxf8 { [%eval 1.07] [%clk 0:28:01] } 36. Kg1 { [%eval 1.09] [%clk 0:04:53] } 36... Rf5 { [%eval 1.07] [%clk 0:27:36] } 37. Rxg6+ { [%eval 0.99] [%clk 0:04:25] } 37... Kf7 { [%eval 0.79] [%clk 0:27:55] } 38. Rg4 { [%eval 0.86] [%clk 0:02:35] } 38... e3 { [%eval 0.91] [%clk 0:22:43] } 39. Re4 { [%eval 1.04] [%clk 0:02:41] } 39... Rxc5 { [%eval 0.91] [%clk 0:23:01] } 40. Rxe3 { [%eval 1.16] [%clk 0:32:48] } 40... Rc2 { [%eval 1.13] [%clk 0:53:15] } 41. a3?! { [%eval 0.32] } { Inaccuracy. a4 was best. } { [%clk 0:30:46] } 41... Kf6?! { [%eval 1.09] } { Inaccuracy. c5 was best. } { [%clk 0:53:01] } 42. Rh3 { [%eval 0.58] [%clk 0:28:54] } 42... Kg5 { [%eval 0.42] [%clk 0:53:05] } 43. Rf3 { [%eval 0.24] [%clk 0:28:58] } 43... c5 { [%eval 0.27] [%clk 0:52:01] } 44. h3 { [%eval 0.26] [%clk 0:26:43] } 44... h5? { [%eval 1.96] } { Mistake. c4 was best. } { [%clk 0:51:18] } 45. Rd3 { [%eval 0.73] [%clk 0:26:09] } 45... Kf4?! { [%eval 1.63] } { Inaccuracy. a5 was best. } { [%clk 0:50:44] } 46. Kh2? { [%eval 0.0] } { Mistake. Rd5 was best. } { [%clk 0:20:53] } 46... Ke5 { [%eval 0.0] } 1/2-1/2