Event: MWJ
Site: Sypniewo
Date: 2025-06-15
White: Mazurek, Oskar
Black: Lewandowski, Mikolaj
BlackElo: 1485
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:28:22] } 1... c5 { [%eval 0.25] [%clk 1:30:56] } 2. Nf3 { [%eval 0.2] [%clk 1:28:47] } 2... d6 { [%eval 0.31] [%clk 1:31:22] } 3. d4 { [%eval 0.22] [%clk 1:28:49] } 3... cxd4 { [%eval 0.19] [%clk 1:31:48] } 4. Nxd4 { [%eval 0.18] [%clk 1:29:13] } 4... Nf6 { [%eval 0.31] [%clk 1:32:13] } 5. Nc3 { [%eval 0.32] [%clk 1:29:35] } 5... a6 { [%eval 0.28] [%clk 1:32:40] } 6. a4 { [%eval 0.1] [%clk 1:29:18] } 6... e5 { [%eval 0.06] [%clk 1:32:56] } 7. Nf3 { [%eval 0.07] [%clk 1:29:30] } 7... Be7 { [%eval 0.21] [%clk 1:33:16] } 8. Bc4 { [%eval 0.09] [%clk 1:29:07] } 8... Nbd7 { [%eval 0.57] [%clk 1:32:28] } 9. O-O { [%eval 0.65] [%clk 1:28:18] } 9... Nc5 { [%eval 0.87] [%clk 1:32:38] } 10. Re1?! { [%eval 0.29] } { Inaccuracy. Be3 was best. } { [%clk 1:27:56] } 10... Be6 { [%eval 0.4] [%clk 1:32:22] } 11. Bxe6 { [%eval 0.01] [%clk 1:25:54] } 11... Nxe6 { [%eval 0.55] [%clk 1:32:20] } 12. Nd5 { [%eval 0.45] [%clk 1:17:38] } 12... O-O { [%eval 0.45] [%clk 1:31:16] } 13. c4 { [%eval 0.38] [%clk 1:16:39] } 13... Rc8 { [%eval 0.39] [%clk 1:30:53] } 14. b3 { [%eval 0.3] [%clk 1:16:30] } 14... Nc5?! { [%eval 0.93] } { Inaccuracy. Nxd5 was best. } { [%clk 1:30:34] } 15. Nd2?! { [%eval 0.0] } { Inaccuracy. Nc3 was best. } { [%clk 1:13:33] } 15... Nxd5 { [%eval 0.0] [%clk 1:29:25] } 16. exd5? { [%eval -1.12] } { Mistake. cxd5 was best. } { [%clk 1:13:48] } 16... f5 { [%eval -1.04] [%clk 1:25:50] } 17. Ba3 { [%eval -0.94] [%clk 1:06:50] } 17... Nd3 { [%eval -0.98] [%clk 1:21:45] } 18. Re3 { [%eval -0.8] [%clk 1:05:38] } 18... e4 { [%eval -0.88] [%clk 1:21:13] } 19. g3?! { [%eval -1.61] } { Inaccuracy. Nf3 was best. } { [%clk 0:58:39] } 19... Bf6 { [%eval -1.4] [%clk 1:16:27] } 20. Ra2 { [%eval -1.49] [%clk 0:57:33] } 20... Bd4? { [%eval -0.33] } { Mistake. Qe7 was best. } { [%clk 1:16:23] } 21. Rxd3 { [%eval -0.3] [%clk 0:57:32] } 21... exd3 { [%eval -0.3] [%clk 1:16:31] } 22. Nf3 { [%eval -0.23] [%clk 0:57:29] } 22... Ba7 { [%eval 0.0] [%clk 1:15:56] } 23. Qxd3 { [%eval -0.02] [%clk 0:57:45] } 23... Qf6 { [%eval -0.09] [%clk 1:15:50] } 24. Bb2 { [%eval 0.03] [%clk 0:57:38] } 24... Qh6 { [%eval 0.04] [%clk 1:15:05] } 25. Bd4 { [%eval -0.06] [%clk 0:56:59] } 25... Bxd4 { [%eval -0.08] [%clk 1:12:53] } 26. Nxd4 { [%eval 0.0] [%clk 0:57:18] } 26... f4 { [%eval 0.0] [%clk 1:10:30] } 27. Ne6 { [%eval -0.02] [%clk 0:53:42] } 27... fxg3 { [%eval -0.1] [%clk 1:10:33] } 28. Qxg3?? { [%eval -2.52] } { Blunder. hxg3 was best. } { [%clk 0:53:45] } 28... Rf6 { [%eval -2.39] [%clk 1:09:27] } 29. Kf1?! { [%eval -3.42] } { Inaccuracy. Kh1 was best. } { [%clk 0:48:20] } 29... Qg6?? { [%eval 0.0] } { Blunder. Rg6 was best. } { [%clk 1:06:32] } 30. Qxg6 { [%eval 0.0] [%clk 0:47:15] } 30... Rxg6 { [%eval -0.09] [%clk 1:06:49] } 31. f4 { [%eval -0.02] [%clk 0:45:09] } 31... Rh6 { [%eval 0.0] [%clk 1:05:10] } 32. Kg2 { [%eval 0.0] [%clk 0:43:36] } 32... Rb8 { [%eval 0.0] [%clk 1:02:55] } 33. b4 { [%eval -0.53] [%clk 0:31:38] } 33... Rg6+ { [%eval -0.02] [%clk 0:58:47] } 1/2-1/2