Event: Round 4: Ahmad Nihan Usman - Ahmed Khalaf
Date: 2023-06-10
White: Ahmad Nihan Usman
Black: Ahmed Khalaf
Result: 1-0
ECO: C24
Opening: Bishop's Opening: Berlin Defense
Variant: Standard

1. e4 { [%eval 0.36] } 1... e5 { [%eval 0.35] [%clk 1:30:54] } 2. Bc4 { [%eval 0.0] [%clk 1:29:04] } 2... Nf6 { [%eval 0.0] [%clk 1:31:00] } 3. d3 { [%eval 0.0] [%clk 1:29:09] } 3... Nc6 { [%eval 0.22] [%clk 1:30:45] } 4. Be3?! { [%eval -0.5] } { Inaccuracy. a4 was best. } 4... Be7 { [%eval -0.08] [%clk 1:30:34] } 5. Nc3 { [%eval -0.31] [%clk 1:28:38] } 5... O-O { [%eval 0.18] [%clk 1:30:22] } 6. a3 { [%eval 0.35] [%clk 1:28:53] } 6... d6 { [%eval 0.16] [%clk 1:30:24] } 7. b4 { [%eval -0.25] [%clk 1:28:39] } 7... Be6 { [%eval -0.04] } 8. Nd5 { [%eval -0.15] [%clk 1:28:42] } 8... a6?! { [%eval 0.65] } { Inaccuracy. Nd4 was best. } { [%clk 1:28:26] } 9. Nf3 { [%eval 0.35] [%clk 1:28:21] } 9... b5 { [%eval 0.56] [%clk 1:27:53] } 10. Bb3 { [%eval 0.47] [%clk 1:28:08] } 10... a5 { [%eval 0.5] [%clk 1:28:04] } 11. O-O { [%eval 0.19] [%clk 1:28:03] } 11... a4?! { [%eval 1.04] } { Inaccuracy. axb4 was best. } { [%clk 1:27:07] } 12. Ba2 { [%eval 1.03] [%clk 1:27:59] } 12... Bg4 { [%eval 1.35] [%clk 1:22:17] } 13. c4?! { [%eval 0.65] } { Inaccuracy. c3 was best. } { [%clk 1:27:34] } 13... Nxd5 { [%eval 0.6] [%clk 1:17:15] } 14. exd5?! { [%eval -0.02] } { Inaccuracy. cxd5 was best. } { [%clk 1:26:05] } 14... Na7 { [%eval 0.02] [%clk 1:17:19] } 15. Bb1?! { [%eval -0.96] } { Inaccuracy. h3 was best. } { [%clk 1:25:49] } 15... bxc4?? { [%eval 0.7] } { Blunder. f5 was best. } { [%clk 1:17:02] } 16. dxc4 { [%eval 0.57] [%clk 1:24:28] } 16... f5?! { [%eval 1.46] } { Inaccuracy. Nc8 was best. } { [%clk 1:17:16] } 17. Qc2?! { [%eval 0.41] } { Inaccuracy. Qxa4 was best. } { [%clk 1:24:14] } 17... Bxf3 { [%eval 0.38] [%clk 1:17:26] } 18. gxf3 { [%eval 0.36] [%clk 1:24:28] } 18... Qd7 { [%eval 0.74] [%clk 1:15:55] } 19. Kh1 { [%eval 0.72] [%clk 1:24:21] } 19... g6 { [%eval 0.93] [%clk 1:12:57] } 20. Rg1 { [%eval 1.05] [%clk 1:24:21] } 20... Bh4 { [%eval 0.91] } 21. Rg2 { [%eval 0.73] [%clk 1:23:51] } 21... f4?! { [%eval 1.74] } { Inaccuracy. Kh8 was best. } { [%clk 1:12:00] } 22. Bd2?! { [%eval 1.1] } { Inaccuracy. Bxa7 was best. } { [%clk 1:23:11] } 22... Rf6?! { [%eval 1.78] } { Inaccuracy. Nc8 was best. } { [%clk 1:11:40] } 23. Ba2?! { [%eval 1.03] } { Inaccuracy. Bc3 was best. } { [%clk 1:23:20] } 23... Nc8 { [%eval 1.18] [%clk 1:06:59] } 24. Rag1 { [%eval 0.63] } 24... Ne7 { [%eval 0.54] [%clk 1:06:44] } 25. Bb1 { [%eval 0.64] [%clk 1:22:01] } 25... Nf5?! { [%eval 1.51] } { Inaccuracy. Qh3 was best. } { [%clk 1:03:25] } 26. Be1 { [%eval 0.95] [%clk 1:20:12] } 26... Nd4 { [%eval 1.15] [%clk 1:03:27] } 27. Qd3?? { [%eval -1.68] } { Blunder. Qd1 was best. } { [%clk 1:19:51] } 27... Kh8?? { [%eval 1.22] } { Blunder. Qh3 was best. } { [%clk 0:59:35] } 28. Rg4 { [%eval 1.34] } 28... g5 { [%eval 1.09] [%clk 0:58:24] } 29. c5 { [%eval 0.61] [%clk 1:18:28] } 29... h5 { [%eval 0.47] [%clk 0:57:48] } 30. c6?! { [%eval -0.51] } { Inaccuracy. Rxg5 was best. } { [%clk 1:18:14] } 30... Qf7 { [%eval -0.68] [%clk 0:57:45] } 31. R4g2 { [%eval -0.99] [%clk 1:17:49] } 31... Qxd5?? { [%eval #1] } { Checkmate is now unavoidable. g4 was best. } { [%clk 0:57:42] } 32. Qh7# 1-0