Event: Round 4: Haque Nayem - Chowdhury Siam
Date: 2023-12-27
White: Haque Nayem
Black: Chowdhury Siam
Result: 1-0
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:30:56] } 1... c5 { [%eval 0.33] [%clk 1:30:00] } 2. Nf3 { [%eval 0.17] [%clk 1:31:23] } 2... e6 { [%eval 0.0] [%clk 1:30:28] } 3. d4 { [%eval 0.42] [%clk 1:31:37] } 3... cxd4 { [%eval 0.26] [%clk 1:30:56] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:05] } 4... a6 { [%eval 0.58] [%clk 1:31:25] } 5. Nc3?! { [%eval 0.0] } { Inaccuracy. Bd3 was best. } { [%clk 1:31:54] } 5... Qc7 { [%eval 0.24] [%clk 1:31:52] } 6. g3 { [%eval 0.0] [%clk 1:31:51] } 6... b5?! { [%eval 0.92] } { Inaccuracy. Bb4 was best. } { [%clk 1:31:40] } 7. Bg2 { [%eval 0.74] [%clk 1:31:29] } 7... Bb7 { [%eval 0.91] [%clk 1:32:00] } 8. O-O { [%eval 1.09] [%clk 1:31:30] } 8... Nf6?! { [%eval 1.91] } { Inaccuracy. Be7 was best. } { [%clk 1:31:22] } 9. Re1 { [%eval 2.07] [%clk 1:29:18] } 9... d6 { [%eval 2.21] [%clk 1:27:22] } 10. a3?? { [%eval 0.09] } { Blunder. Nd5 was best. } { [%clk 1:24:39] } 10... Nbd7 { [%eval 0.23] [%clk 1:21:47] } 11. f4?! { [%eval -0.4] } { Inaccuracy. a4 was best. } { [%clk 1:19:38] } 11... Rb8 { [%eval 0.0] [%clk 1:10:55] } 12. h3 { [%eval -0.45] [%clk 1:17:02] } 12... e5?! { [%eval 0.56] } { Inaccuracy. Be7 was best. } { [%clk 0:57:09] } 13. Nf5 { [%eval 0.29] [%clk 1:13:09] } 13... g6 { [%eval 0.4] [%clk 0:56:14] } 14. Ne3 { [%eval 0.07] [%clk 1:13:20] } 14... Bg7 { [%eval 0.19] [%clk 0:55:33] } 15. f5 { [%eval 0.23] [%clk 1:11:54] } 15... Nb6 { [%eval 0.3] [%clk 0:46:40] } 16. g4 { [%eval 0.09] [%clk 1:10:57] } 16... h6 { [%eval 0.23] [%clk 0:46:28] } 17. Qd3 { [%eval 0.19] [%clk 0:52:38] } 17... g5 { [%eval 0.21] [%clk 0:39:33] } 18. Kh1 { [%eval -0.29] [%clk 0:36:34] } 18... Bf8 { [%eval 0.22] [%clk 0:33:34] } 19. a4 { [%eval 0.21] [%clk 0:24:49] } 19... b4 { [%eval 0.47] [%clk 0:29:40] } 20. a5 { [%eval 0.38] [%clk 0:22:56] } 20... bxc3 { [%eval 0.5] [%clk 0:26:13] } 21. axb6 { [%eval 0.48] [%clk 0:23:11] } 21... Qxb6 { [%eval 0.48] [%clk 0:26:40] } 22. Nc4 { [%eval 0.39] [%clk 0:22:10] } 22... cxb2 { [%eval 0.69] [%clk 0:24:11] } 23. Bxb2 { [%eval 0.64] [%clk 0:22:39] } 23... Qc7 { [%eval 0.71] [%clk 0:23:49] } 24. Ba3 { [%eval 0.64] [%clk 0:21:09] } 24... Rd8 { [%eval 0.71] [%clk 0:21:08] } 25. Rad1 { [%eval 0.45] [%clk 0:17:04] } 25... h5 { [%eval 0.9] [%clk 0:14:05] } 26. Nxd6+ { [%eval 1.35] [%clk 0:06:17] } 26... Bxd6 { [%eval 0.64] [%clk 0:14:26] } 27. Bxd6 { [%eval 1.01] [%clk 0:06:45] } 27... Qb6?? { [%eval 3.0] } { Blunder. Qa5 was best. } { [%clk 0:11:11] } 28. gxh5?! { [%eval 2.14] } { Inaccuracy. Qc3 was best. } { [%clk 0:04:26] } 28... Nxh5?? { [%eval 4.82] } { Blunder. Qa5 was best. } { [%clk 0:11:08] } 29. Qc3 { [%eval 4.59] [%clk 0:04:42] } 29... f6 { [%eval 4.87] [%clk 0:08:50] } 30. Bc7 { [%eval 4.67] [%clk 0:04:53] } 30... Rc8 { [%eval 5.76] [%clk 0:01:17] } 31. Bxb6 { [%eval 5.6] [%clk 0:05:21] } 31... Rc7?? { [%eval #7] } { Checkmate is now unavoidable. Rxc3 was best. } 32. Qc4?? { [%eval 5.38] } { Lost forced checkmate sequence. Rd8+ was best. } 32... Rxc4 { [%eval 5.38] [%clk 0:01:41] } 33. Rd6?? { [%eval -0.98] } { Blunder. Rd8+ was best. } 33... Rc3?? { [%eval 5.53] } { Blunder. O-O was best. } 34. Rd8+ { [%eval 5.69] [%clk 0:05:48] } 34... Ke7 { [%eval 5.91] [%clk 0:01:27] } 35. Rxh8 { [%eval 6.26] [%clk 0:06:09] } 35... Ng3+ { [%eval 5.76] [%clk 0:01:54] } 36. Kh2 { [%eval 5.96] [%clk 0:06:25] } 36... Bc6?! { [%eval 9.7] } { Inaccuracy. Bxe4 was best. } { [%clk 0:01:48] } 37. Bf2?! { [%eval 6.07] } { Inaccuracy. Rh7+ was best. } { [%clk 0:06:11] } 37... Nxf5 { [%eval 6.52] } 38. exf5 { [%eval 6.57] [%clk 0:06:37] } 38... Rxc2 { [%eval 6.43] [%clk 0:01:58] } 39. Bxc6 { [%eval 6.65] [%clk 0:06:52] } 39... Rxf2+ { [%eval 6.39] [%clk 0:01:34] } 40. Kg3 { [%eval 6.94] [%clk 0:07:09] } 40... Rxf5?? { [%eval #7] } { Checkmate is now unavoidable. Rf4 was best. } { [%clk 0:01:53] } 41. Rd1 { [%eval #6] [%clk 0:07:20] } 41... Rf4 { [%eval #2] [%clk 0:02:08] } 42. Rh7+ { [%eval #1] [%clk 0:07:06] } 1-0