Event: A
Date: 2025-07-25
White: Iwanczuk, Krzysztof
WhiteElo: 2171
Black: Matskevich, Varvara
BlackTitle: WFM
BlackElo: 1938
Result: 1-0
ECO: B99
Opening: Sicilian Defense: Najdorf Variation, Main Line
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:38] } 2. Nf3 { [%eval 0.2] [%clk 1:31:17] } 2... d6 { [%eval 0.31] [%clk 1:30:59] } 3. d4 { [%eval 0.22] [%clk 1:31:38] } 3... cxd4 { [%eval 0.19] [%clk 1:31:24] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:03] } 4... Nf6 { [%eval 0.31] [%clk 1:31:45] } 5. Nc3 { [%eval 0.32] [%clk 1:32:24] } 5... a6 { [%eval 0.28] [%clk 1:32:09] } 6. Bg5 { [%eval 0.0] [%clk 1:32:32] } 6... e6 { [%eval 0.17] [%clk 1:32:24] } 7. f4 { [%eval 0.04] [%clk 1:32:51] } 7... Be7 { [%eval 0.32] [%clk 1:32:47] } 8. Qf3 { [%eval 0.43] [%clk 1:33:09] } 8... Nbd7 { [%eval 0.42] [%clk 1:33:03] } 9. O-O-O { [%eval 0.43] [%clk 1:32:11] } 9... Qc7 { [%eval 0.4] [%clk 1:32:58] } 10. g4 { [%eval 0.51] [%clk 1:31:41] } 10... h6 { [%eval 0.61] [%clk 1:32:33] } 11. Bxf6 { [%eval 0.33] [%clk 1:31:20] } 11... Bxf6 { [%eval 0.48] [%clk 1:30:00] } 12. h4 { [%eval 0.6] [%clk 1:31:16] } 12... Qc5?! { [%eval 1.4] } { Inaccuracy. Qb6 was best. } { [%clk 1:22:30] } 13. Nde2? { [%eval 0.2] } { Mistake. e5 was best. } { [%clk 1:26:20] } 13... Rb8?! { [%eval 0.8] } { Inaccuracy. Be7 was best. } { [%clk 1:13:33] } 14. e5 { [%eval 0.75] [%clk 1:21:00] } 14... dxe5 { [%eval 0.86] [%clk 1:12:50] } 15. Ne4 { [%eval 0.9] [%clk 1:21:20] } 15... Qc6? { [%eval 2.66] } { Mistake. Qc7 was best. } { [%clk 1:10:37] } 16. Nd6+ { [%eval 2.62] [%clk 1:17:39] } 16... Ke7 { [%eval 2.37] [%clk 1:09:19] } 17. Qa3 { [%eval 2.24] [%clk 1:14:54] } 17... Qc5 { [%eval 2.66] [%clk 1:01:23] } 18. Qd3?? { [%eval -1.58] } { Blunder. b4 was best. } { [%clk 0:24:42] } 18... exf4 { [%eval -1.66] [%clk 0:51:58] } 19. Nxc8+ { [%eval -1.54] [%clk 0:22:09] } 19... Qxc8 { [%eval -1.35] [%clk 0:52:26] } 20. Nxf4 { [%eval -1.89] [%clk 0:20:04] } 20... Be5 { [%eval -1.36] [%clk 0:50:37] } 21. Qe4?! { [%eval -2.35] } { Inaccuracy. Qa3+ was best. } { [%clk 0:16:22] } 21... Qc6 { [%eval -2.41] [%clk 0:47:53] } 22. Qb4+ { [%eval -2.34] [%clk 0:11:10] } 22... Bd6 { [%eval -2.32] [%clk 0:47:02] } 23. Qd4 { [%eval -2.17] [%clk 0:11:32] } 23... Qc5?? { [%eval 3.51] } { Blunder. Rhc8 was best. } { [%clk 0:43:50] } 24. Ng6+ { [%eval 3.52] [%clk 0:11:13] } 24... Ke8 { [%eval 3.42] [%clk 0:39:23] } 25. Nxh8 { [%eval 3.78] [%clk 0:07:28] } 25... Qxd4 { [%eval 3.55] [%clk 0:39:45] } 26. Rxd4 { [%eval 3.51] [%clk 0:07:54] } 26... Be5 { [%eval 3.49] [%clk 0:40:09] } 27. Rd1 { [%eval 3.49] [%clk 0:06:55] } 27... Bf4+ { [%eval 3.74] [%clk 0:40:04] } 28. Kb1 { [%eval 3.69] [%clk 0:07:19] } 28... Ne5 { [%eval 3.88] [%clk 0:39:50] } 29. Rd4 { [%eval 3.83] [%clk 0:05:05] } 29... Bg3 { [%eval 4.4] [%clk 0:38:22] } 30. Rh3 { [%eval 4.18] [%clk 0:03:51] } 30... Bxh4 { [%eval 4.63] [%clk 0:32:43] } 31. Rb4?! { [%eval 3.17] } { Inaccuracy. Nxf7 was best. } { [%clk 0:03:21] } 31... Bf6?! { [%eval 4.17] } { Inaccuracy. Be7 was best. } { [%clk 0:23:21] } 32. Bxa6 { [%eval 4.16] [%clk 0:03:12] } 32... Rd8 { [%eval 4.43] [%clk 0:22:31] } 33. Bd3 { [%eval 4.42] [%clk 0:03:19] } 33... b6 { [%eval 4.54] [%clk 0:20:52] } 34. Rxb6 { [%eval 4.6] [%clk 0:02:44] } 34... Nxg4 { [%eval 4.7] [%clk 0:21:08] } 35. Bb5+ { [%eval 4.48] [%clk 0:02:36] } 35... Kf8 { [%eval 4.3] [%clk 0:21:11] } 36. Rd3 { [%eval 4.24] [%clk 0:02:49] } 36... Bd4 { [%eval 5.13] [%clk 0:21:17] } 37. Rb7 { [%eval 5.03] [%clk 0:02:37] } 37... Nf2 { [%clk 0:21:20] } 38. Rxf7+ { [%clk 0:02:55] } 38... Kg8 { [%clk 0:21:46] } 39. Rxf2 { [%clk 0:03:18] } 39... Kxh8 { [%clk 0:22:12] } 40. Rfd2 { [%clk 0:33:43] } 40... e5 { [%clk 0:52:29] } 41. c3 { [%clk 0:34:07] } 1-0