Event: Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE
Site: Sianozety
Date: 2025-04-09
White: Olsza, Artur
Black: Kozera, Konrad
BlackElo: 1508
Result: 1-0
ECO: B23
Opening: Sicilian Defense: Grand Prix Attack
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:59] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. Nc3 { [%eval 0.26] [%clk 1:31:28] } 2... Nc6 { [%eval 0.16] [%clk 1:31:08] } 3. f4 { [%eval -0.09] [%clk 1:31:56] } 3... g6 { [%eval -0.04] [%clk 1:31:19] } 4. Nf3 { [%eval -0.11] [%clk 1:32:21] } 4... Bg7 { [%eval -0.16] [%clk 1:31:35] } 5. Bc4 { [%eval -0.24] [%clk 1:32:32] } 5... e6 { [%eval -0.19] [%clk 1:31:37] } 6. a3 { [%eval -0.46] [%clk 1:32:49] } 6... Nge7 { [%eval -0.42] [%clk 1:31:48] } 7. d3 { [%eval -0.46] [%clk 1:32:47] } 7... O-O { [%eval -0.29] [%clk 1:31:23] } 8. O-O { [%eval -0.58] [%clk 1:33:08] } 8... d5 { [%eval -0.52] [%clk 1:31:11] } 9. Ba2 { [%eval -0.65] [%clk 1:33:32] } 9... b6 { [%eval -0.33] [%clk 1:26:52] } 10. Qe1?! { [%eval -0.92] } { Inaccuracy. e5 was best. } { [%clk 1:33:37] } 10... Nd4 { [%eval -0.92] [%clk 1:26:06] } 11. Nxd4 { [%eval -0.95] [%clk 1:25:50] } 11... cxd4 { [%eval -0.92] [%clk 1:25:42] } 12. Ne2 { [%eval -0.87] [%clk 1:25:02] } 12... dxe4 { [%eval -0.85] [%clk 1:23:27] } 13. dxe4 { [%eval -0.93] [%clk 1:25:04] } 13... d3 { [%eval -0.66] [%clk 1:23:06] } 14. cxd3 { [%eval -0.66] [%clk 1:19:38] } 14... Qxd3 { [%eval -0.59] [%clk 1:23:11] } 15. Ng3 { [%eval -0.87] [%clk 1:18:08] } 15... Bb7 { [%eval -1.01] [%clk 1:18:38] } 16. Bb1 { [%eval -1.37] [%clk 1:14:22] } 16... Qb5 { [%eval -0.94] [%clk 1:14:04] } 17. a4 { [%eval -0.9] [%clk 1:12:56] } 17... Bd4+ { [%eval -0.68] [%clk 1:12:18] } 18. Kh1 { [%eval -0.85] [%clk 1:12:51] } 18... Qc5 { [%eval -0.46] [%clk 1:10:50] } 19. Ra3 { [%eval -0.52] [%clk 1:11:01] } 19... Nc6 { [%eval -0.02] [%clk 1:05:45] } 20. e5 { [%eval 0.0] [%clk 0:56:48] } 20... Qb4? { [%eval 1.32] } { Mistake. Nb4 was best. } { [%clk 0:41:52] } 21. Qe2? { [%eval -0.18] } { Mistake. Bd2 was best. } { [%clk 0:52:24] } 21... Na5 { [%eval 0.2] [%clk 0:38:04] } 22. Be4 { [%eval 0.23] [%clk 0:50:21] } 22... Bxe4 { [%eval 0.7] [%clk 0:35:15] } 23. Nxe4 { [%eval 0.83] [%clk 0:49:34] } 23... Nc4?? { [%eval 4.14] } { Blunder. Nb3 was best. } { [%clk 0:34:06] } 24. Nf6+ { [%eval 4.45] [%clk 0:49:26] } 24... Kg7 { [%eval 4.33] [%clk 0:33:25] } 25. Rh3 { [%eval 4.46] [%clk 0:49:00] } 25... Rh8 { [%eval 4.39] [%clk 0:33:21] } 26. b3 { [%eval 4.21] [%clk 0:44:50] } 26... Na5? { [%eval 8.06] } { Mistake. Rac8 was best. } { [%clk 0:31:54] } 27. Bd2?! { [%eval 5.82] } { Inaccuracy. f5 was best. } { [%clk 0:43:33] } 27... Qe7?! { [%eval 8.08] } { Inaccuracy. Qc5 was best. } { [%clk 0:31:57] } 28. f5 { [%eval 8.12] [%clk 0:41:56] } 28... h5 { [%eval 8.12] [%clk 0:28:49] } 29. Nxh5+ { [%eval 8.25] [%clk 0:42:01] } 29... Kf8 { [%eval 8.96] [%clk 0:25:21] } 30. fxg6 { [%eval 9.57] [%clk 0:42:19] } 30... Ke8? { [%eval #15] } { Checkmate is now unavoidable. f5 was best. } { [%clk 0:24:16] } 31. Nf6+ { [%eval 11.37] [%clk 0:41:30] } 1-0