Event: Round 8: Petkov, Momchil - Isik, Alparslan
Date: 2025-05-24
White: Petkov, Momchil
WhiteTitle: GM
WhiteElo: 2524
Black: Isik, Alparslan
BlackTitle: IM
BlackElo: 2482
Result: 1-0
ECO: B25
Opening: Sicilian Defense: Closed
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:18] } 1... c5 { [%eval 0.25] [%clk 1:30:48] } 2. Nc3 { [%eval 0.26] [%clk 1:30:29] } 2... Nc6 { [%eval 0.16] [%clk 1:29:36] } 3. g3 { [%eval 0.0] [%clk 1:30:40] } 3... g6 { [%eval 0.0] [%clk 1:29:50] } 4. Bg2 { [%eval -0.07] [%clk 1:30:57] } 4... Bg7 { [%eval -0.03] [%clk 1:30:15] } 5. d3 { [%eval -0.03] [%clk 1:31:14] } 5... d6 { [%eval 0.0] [%clk 1:30:17] } 6. f4 { [%eval -0.2] [%clk 1:31:27] } 6... e6 { [%eval -0.11] [%clk 1:30:34] } 7. Nf3 { [%eval -0.1] [%clk 1:31:38] } 7... Nge7 { [%eval -0.12] [%clk 1:30:57] } 8. h4 { [%eval -0.24] [%clk 1:31:56] } 8... h5 { [%eval -0.25] [%clk 1:29:34] } 9. O-O { [%eval -0.3] [%clk 1:31:50] } 9... O-O { [%eval -0.15] [%clk 1:29:52] } 10. Ng5 { [%eval -0.08] [%clk 1:31:40] } 10... f6 { [%eval 0.1] [%clk 1:12:36] } 11. Nh3 { [%eval 0.04] [%clk 1:31:13] } 11... Nd4 { [%eval 0.28] [%clk 1:10:28] } 12. a4 { [%eval 0.26] [%clk 1:27:08] } 12... Rb8 { [%eval 0.35] [%clk 1:07:25] } 13. Rf2 { [%eval 0.26] [%clk 1:12:07] } 13... e5 { [%eval 0.25] [%clk 0:58:16] } 14. Be3 { [%eval -0.22] [%clk 1:03:39] } 14... Bg4 { [%eval -0.23] [%clk 0:56:56] } 15. Qd2 { [%eval -0.24] [%clk 1:03:49] } 15... Qd7 { [%eval -0.25] [%clk 0:57:03] } 16. Kh2 { [%eval -0.22] [%clk 1:04:01] } 16... b6 { [%eval -0.23] [%clk 0:56:33] } 17. Raf1 { [%eval -0.19] [%clk 0:54:48] } 17... a6 { [%eval -0.11] [%clk 0:54:37] } 18. Ng1 { [%eval -0.25] [%clk 0:54:32] } 18... b5 { [%eval -0.25] [%clk 0:51:04] } 19. axb5 { [%eval -0.25] [%clk 0:50:44] } 19... axb5 { [%eval -0.24] [%clk 0:50:25] } 20. Nce2 { [%eval -0.39] [%clk 0:50:04] } 20... b4 { [%eval -0.39] [%clk 0:46:02] } 21. c3 { [%eval -0.39] [%clk 0:50:19] } 21... bxc3 { [%eval -0.14] [%clk 0:38:27] } 22. bxc3 { [%eval -0.03] [%clk 0:50:43] } 22... Nb3 { [%eval 0.0] [%clk 0:31:34] } 23. Qc2 { [%eval -0.31] [%clk 0:50:17] } 23... Qc7 { [%eval -0.14] [%clk 0:26:08] } 24. Rb1 { [%eval -0.17] [%clk 0:47:33] } 24... c4 { [%eval -0.22] [%clk 0:24:52] } 25. d4 { [%eval -0.14] [%clk 0:40:30] } 25... f5 { [%eval 0.0] [%clk 0:25:15] } 26. fxe5 { [%eval 0.0] [%clk 0:37:58] } 26... dxe5 { [%eval 0.0] [%clk 0:25:40] } 27. Rbf1 { [%eval 0.0] [%clk 0:35:43] } 27... Rbd8 { [%eval 0.0] [%clk 0:19:52] } 28. dxe5 { [%eval 0.01] [%clk 0:24:22] } 28... Bxe5 { [%eval 0.07] [%clk 0:20:17] } 29. Nf3 { [%eval 0.11] [%clk 0:22:37] } 29... Rd3? { [%eval 1.38] } { Mistake. Bxg3+ was best. } { [%clk 0:07:49] } 30. Bh6? { [%eval -0.02] } { Mistake. Nxe5 was best. } { [%clk 0:16:32] } 30... fxe4 { [%eval 0.0] [%clk 0:03:01] } 31. Nxe5 { [%eval 0.0] [%clk 0:16:09] } 31... Rxf2 { [%eval 0.0] [%clk 0:03:29] } 32. Rxf2 { [%eval 0.0] [%clk 0:14:25] } 32... Qxe5 { [%eval 0.0] [%clk 0:03:58] } 33. Qa2 { [%eval -0.27] [%clk 0:11:28] } 33... Bxe2?? { [%eval #6] } { Checkmate is now unavoidable. Nf5 was best. } { [%clk 0:03:10] } 34. Qa8+ { [%eval #5] [%clk 0:11:40] } 34... Kh7 { [%clk 0:03:12] } 35. Rf7+ { [%clk 0:12:06] } 1-0