Event: Round 4: Dau Khuong Duy - Bilguun, Sumiya
Date: 2025-04-26
White: Dau Khuong Duy
WhiteTitle: IM
WhiteElo: 2423
Black: Bilguun, Sumiya
BlackTitle: GM
BlackElo: 2460
Result: 1-0
ECO: B42
Opening: Sicilian Defense: Kan Variation, Swiss Cheese Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:52] } 1... c5 { [%eval 0.25] [%clk 1:29:40] } 2. Nf3 { [%eval 0.2] [%clk 1:31:14] } 2... e6 { [%eval 0.28] [%clk 1:30:04] } 3. d4 { [%eval 0.4] [%clk 1:31:39] } 3... cxd4 { [%eval 0.29] [%clk 1:30:28] } 4. Nxd4 { [%eval 0.23] [%clk 1:32:05] } 4... a6 { [%eval 0.42] [%clk 1:30:51] } 5. Bd3 { [%eval 0.45] [%clk 1:32:29] } 5... g6 { [%eval 0.65] [%clk 1:11:53] } 6. Be3 { [%eval 0.52] [%clk 1:32:38] } 6... Bg7 { [%eval 0.56] [%clk 1:12:09] } 7. c4 { [%eval 0.62] [%clk 1:32:24] } 7... d6 { [%eval 0.9] [%clk 1:11:46] } 8. Nc3 { [%eval 0.89] [%clk 1:32:32] } 8... Nf6 { [%eval 0.88] [%clk 1:11:59] } 9. O-O { [%eval 0.83] [%clk 1:32:29] } 9... O-O { [%eval 0.83] [%clk 1:12:07] } 10. Be2 { [%eval 0.84] [%clk 1:27:49] } 10... Qc7 { [%eval 0.92] [%clk 1:09:25] } 11. f4 { [%eval 0.72] [%clk 1:27:01] } 11... Nbd7 { [%eval 0.65] [%clk 1:08:00] } 12. Rc1 { [%eval 0.4] [%clk 1:26:23] } 12... b6 { [%eval 0.49] [%clk 1:02:21] } 13. Bf3 { [%eval 0.31] [%clk 1:26:20] } 13... Bb7 { [%eval 0.34] [%clk 1:02:43] } 14. b4 { [%eval 0.41] [%clk 1:18:44] } 14... Rac8 { [%eval 0.54] [%clk 0:54:27] } 15. b5 { [%eval 0.58] [%clk 1:16:35] } 15... a5?! { [%eval 1.25] } { Inaccuracy. Rfd8 was best. } { [%clk 0:31:51] } 16. Nc6 { [%eval 1.15] [%clk 1:15:06] } 16... Rfe8 { [%eval 1.37] [%clk 0:31:09] } 17. Qd2 { [%eval 1.25] [%clk 1:02:37] } 17... Nb8 { [%eval 1.18] [%clk 0:28:30] } 18. Rfd1 { [%eval 1.26] [%clk 0:41:11] } 18... Bf8 { [%eval 1.13] [%clk 0:27:14] } 19. e5?! { [%eval 0.49] } { Inaccuracy. Nxb8 was best. } { [%clk 0:29:26] } 19... dxe5 { [%eval 0.62] [%clk 0:24:38] } 20. fxe5?! { [%eval 0.0] } { Inaccuracy. Nxe5 was best. } { [%clk 0:29:50] } 20... Bxc6 { [%eval 0.0] [%clk 0:22:49] } 21. exf6 { [%eval -0.05] [%clk 0:28:03] } 21... Bxf3 { [%eval 0.0] [%clk 0:21:47] } 22. gxf3 { [%eval 0.0] [%clk 0:28:28] } 22... Red8 { [%eval 0.0] [%clk 0:15:44] } 23. Qe2 { [%eval 0.0] [%clk 0:28:45] } 23... Nd7 { [%eval 0.0] [%clk 0:15:03] } 24. Ne4 { [%eval 0.0] [%clk 0:29:00] } 24... Nc5 { [%eval 0.0] [%clk 0:15:25] } 25. Bxc5 { [%eval 0.0] [%clk 0:28:29] } 25... Bxc5+ { [%eval 0.0] [%clk 0:15:52] } 26. Kg2 { [%eval 0.0] [%clk 0:28:54] } 26... Bd4 { [%eval 0.34] [%clk 0:16:05] } 27. c5 { [%eval -0.02] [%clk 0:24:56] } 27... Bxc5?? { [%eval 6.14] } { Blunder. Qf4 was best. } { [%clk 0:13:18] } 28. Rxc5 { [%eval 6.0] [%clk 0:23:37] } 28... bxc5?! { [%eval 9.62] } { Inaccuracy. Qf4 was best. } { [%clk 0:09:29] } 29. Qe3 { [%eval 9.17] [%clk 0:24:01] } 29... Kf8 { [%eval 11.67] [%clk 0:08:40] } 30. Qh6+ { [%eval 10.59] [%clk 0:24:24] } 30... Ke8 { [%eval 9.78] [%clk 0:09:08] } 31. Qxh7 { [%eval 9.19] [%clk 0:24:47] } 31... Rxd1? { [%eval #4] } { Checkmate is now unavoidable. Qe7 was best. } { [%clk 0:08:23] } 32. Qg8+ { [%eval #3] [%clk 0:25:13] } 32... Kd7 { [%eval #3] [%clk 0:08:47] } 33. Qxf7+ { [%eval #2] [%clk 0:25:39] } 33... Kd8 { [%eval #2] [%clk 0:09:11] } 34. Qf8+ { [%clk 0:26:05] } 1-0