Event: Biel Chess Festival MTO
Site: Biel, Switzerland
Date: 2024-07-18
White: Kuandykuly, Danis
WhiteElo: 2082
Black: Federer, Colin
BlackElo: 2187
Result: 1-0
ECO: B94
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 100'/40, fb 50'/20, fb 15' + 30''/mv

1. e4 { [%eval 0.15] [%clk 1:30:41] } 1... c5 { [%eval 0.25] [%clk 1:40:56] } 2. Nf3 { [%eval 0.22] [%clk 1:30:59] } 2... d6 { [%eval 0.26] [%clk 1:41:21] } 3. d4 { [%eval 0.26] [%clk 1:31:26] } 3... cxd4 { [%eval 0.28] [%clk 1:41:46] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:54] } 4... Nf6 { [%eval 0.24] [%clk 1:42:09] } 5. Nc3 { [%eval 0.32] [%clk 1:32:20] } 5... a6 { [%eval 0.22] [%clk 1:42:21] } 6. Bg5 { [%eval 0.08] [%clk 1:32:45] } 6... Nbd7 { [%eval 0.19] [%clk 1:42:45] } 7. Bc4 { [%eval 0.21] [%clk 1:32:54] } 7... Qb6 { [%eval 0.24] [%clk 1:43:05] } 8. Bb3 { [%eval 0.27] [%clk 1:32:44] } 8... e6 { [%eval 0.32] [%clk 1:43:06] } 9. Qd2 { [%eval 0.28] [%clk 1:33:10] } 9... Be7 { [%eval 0.26] [%clk 1:43:09] } 10. O-O-O { [%eval 0.23] [%clk 1:33:34] } 10... Nc5 { [%eval 0.2] [%clk 1:42:53] } 11. f3 { [%eval 0.22] [%clk 1:33:25] } 11... Qc7 { [%eval 0.33] [%clk 1:37:13] } 12. g4 { [%eval 0.17] [%clk 1:34:21] } 12... b5 { [%eval 0.21] [%clk 1:36:49] } 13. a3 { [%eval 0.22] [%clk 1:34:47] } 13... Nxb3+ { [%eval 0.39] [%clk 1:34:56] } 14. cxb3 { [%eval 0.35] [%clk 1:32:48] } 14... h6 { [%eval 0.31] [%clk 1:29:56] } 15. Be3 { [%eval 0.52] [%clk 1:32:48] } 15... d5 { [%eval 0.28] [%clk 1:25:04] } 16. e5 { [%eval 0.33] [%clk 1:32:38] } 16... Nd7 { [%eval 0.42] [%clk 1:25:22] } 17. f4 { [%eval 0.3] [%clk 1:32:52] } 17... b4 { [%eval 0.27] [%clk 1:25:08] } 18. axb4 { [%eval 0.31] [%clk 1:33:08] } 18... Bxb4 { [%eval 0.35] [%clk 1:25:26] } 19. Kb1 { [%eval 0.35] [%clk 1:32:28] } 19... Nc5?? { [%eval 3.77] } { Blunder. Bxc3 was best. } { [%clk 1:23:25] } 20. Nxd5 { [%eval 3.63] [%clk 1:31:40] } 20... exd5 { [%eval 3.6] [%clk 1:21:32] } 21. Qxb4 { [%eval 3.43] [%clk 1:32:03] } 21... Rb8 { [%eval 3.66] [%clk 1:15:26] } 22. Qc3 { [%eval 3.92] [%clk 1:30:42] } 22... Bxg4 { [%eval 4.43] [%clk 1:05:14] } 23. Rc1 { [%eval 4.55] [%clk 1:30:59] } 23... Rc8 { [%eval 4.63] [%clk 1:05:20] } 24. Rhg1 { [%eval 4.52] [%clk 1:30:00] } 24... h5 { [%eval 4.7] [%clk 0:58:38] } 25. b4 { [%eval 4.81] [%clk 1:30:01] } 25... Ne6 { [%eval 4.77] [%clk 0:58:51] } 26. Nxe6 { [%eval 4.77] [%clk 1:30:21] } 26... Qxc3 { [%eval 4.67] [%clk 0:59:00] } 27. Nxg7+ { [%eval 4.76] [%clk 1:30:43] } 27... Kf8 { [%eval 4.7] [%clk 0:59:27] } 28. Rxc3 { [%eval 4.61] [%clk 1:30:35] } 28... Rxc3 { [%eval 5.03] [%clk 0:56:53] } 29. bxc3 { [%eval 5.02] [%clk 1:30:58] } 29... f6 { [%eval 5.94] [%clk 0:55:24] } 30. exf6 { [%eval 5.76] [%clk 1:31:00] } 30... Kf7 { [%eval 5.72] [%clk 0:54:53] } 31. Bd4 { [%eval 5.6] [%clk 1:31:22] } 31... Rb8 { [%eval 6.44] [%clk 0:53:18] } 32. Re1 { [%eval 6.23] [%clk 1:31:37] } 32... a5?! { [%eval 8.55] } { Inaccuracy. Rb7 was best. } { [%clk 0:53:18] } 33. Re7+ { [%eval 7.77] [%clk 1:31:33] } 33... Kf8? { [%eval #9] } { Checkmate is now unavoidable. Kg6 was best. } { [%clk 0:53:05] } 34. Bc5 { [%eval #17] [%clk 1:31:53] } 34... Kg8 { [%eval #17] [%clk 0:52:53] } 35. Ne8 { [%eval #14] [%clk 1:31:17] } 35... Bf5+ { [%eval #14] [%clk 0:53:07] } 36. Kb2 { [%eval #13] [%clk 1:31:43] } 36... Bg6 { [%eval #13] [%clk 0:53:27] } 37. Rg7+ { [%eval #12] [%clk 1:32:08] } 1-0