Event: MWJ
Site: Sypniewo
Date: 2025-06-12
White: Mazurek, Antoni
Black: Maciejewski, Iwo
BlackElo: 1607
Result: 0-1
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Venice System
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.25] [%clk 1:30:52] } 2. Nf3 { [%eval 0.2] [%clk 1:31:18] } 2... a6 { [%eval 0.53] [%clk 1:31:12] } 3. c3 { [%eval 0.28] [%clk 1:31:25] } 3... g6 { [%eval 0.6] [%clk 1:31:35] } 4. d4 { [%eval 0.62] [%clk 1:30:57] } 4... cxd4 { [%eval 0.49] [%clk 1:31:56] } 5. cxd4 { [%eval 0.62] [%clk 1:30:49] } 5... d5 { [%eval 0.64] [%clk 1:32:02] } 6. Nc3 { [%eval 0.11] [%clk 1:30:09] } 6... dxe4 { [%eval 0.25] [%clk 1:30:20] } 7. Nxe4 { [%eval 0.05] [%clk 1:29:05] } 7... Bg7 { [%eval 0.39] [%clk 1:29:33] } 8. Bf4 { [%eval 0.03] [%clk 1:27:44] } 8... Bg4?! { [%eval 1.1] } { Inaccuracy. Nf6 was best. } { [%clk 1:28:07] } 9. Be5?? { [%eval -0.65] } { Blunder. Bc4 was best. } { [%clk 1:24:01] } 9... Bxe5 { [%eval -0.49] [%clk 1:24:02] } 10. dxe5 { [%eval -0.51] [%clk 1:24:00] } 10... Nc6 { [%eval -0.45] [%clk 1:19:33] } 11. Neg5?! { [%eval -1.22] } { Inaccuracy. Qxd8+ was best. } { [%clk 1:20:58] } 11... h6 { [%eval -1.33] [%clk 1:17:34] } 12. Qxd8+ { [%eval -1.84] [%clk 1:18:13] } 12... Rxd8 { [%eval -2.23] [%clk 1:17:57] } 13. Ne4 { [%eval -2.0] [%clk 1:12:28] } 13... Bxf3 { [%eval -2.17] [%clk 1:18:21] } 14. gxf3 { [%eval -1.81] [%clk 1:12:43] } 14... Nxe5 { [%eval -1.81] [%clk 1:18:36] } 15. Be2 { [%eval -1.91] [%clk 1:12:25] } 15... Nd3+? { [%eval -0.34] } { Mistake. Nd7 was best. } { [%clk 1:18:28] } 16. Bxd3 { [%eval -0.41] [%clk 1:12:33] } 16... Rxd3 { [%eval -0.35] [%clk 1:18:56] } 17. Ke2 { [%eval -0.7] [%clk 1:12:20] } 17... Rd8 { [%eval -0.17] [%clk 1:16:03] } 18. Nc5?! { [%eval -1.07] } { Inaccuracy. Rhc1 was best. } { [%clk 1:12:24] } 18... Nf6 { [%eval -0.58] [%clk 1:16:19] } 19. Rac1? { [%eval -1.78] } { Mistake. Nxb7 was best. } { [%clk 1:12:25] } 19... O-O { [%eval -1.73] [%clk 1:16:21] } 20. Nxb7 { [%eval -1.88] [%clk 1:12:32] } 20... Rb8? { [%eval -0.68] } { Mistake. Rd5 was best. } { [%clk 1:09:02] } 21. Rc7 { [%eval -0.72] [%clk 1:11:06] } 21... Nd5 { [%eval -0.77] [%clk 1:09:16] } 22. Rd7 { [%eval -0.63] [%clk 1:11:08] } 22... e6 { [%eval -0.12] [%clk 1:09:43] } 23. b3?? { [%eval -3.52] } { Blunder. Rc1 was best. } { [%clk 1:10:55] } 23... Rfc8 { [%eval -3.45] [%clk 1:09:48] } 24. Kd2?! { [%eval -4.82] } { Inaccuracy. Nd6 was best. } { [%clk 1:10:41] } 24... Nf6 { [%eval -5.01] [%clk 1:09:05] } 25. Re7 { [%eval -4.75] [%clk 1:10:34] } 25... Kf8 { [%eval -4.76] [%clk 1:09:20] } 26. Rxf7+ { [%eval -4.72] [%clk 1:10:02] } 26... Kxf7 { [%eval -4.83] [%clk 1:09:45] } 27. Nd6+ { [%eval -4.67] [%clk 1:10:22] } 27... Ke7 { [%eval -4.73] [%clk 1:10:10] } 28. Nxc8+ { [%eval -4.76] [%clk 1:10:43] } 28... Rxc8 { [%eval -4.79] [%clk 1:10:36] } 29. h4 { [%eval -4.87] [%clk 1:10:47] } 29... Nd5 { [%eval -4.85] [%clk 1:10:42] } 0-1