Event: Round 1: Siam, Chowdhury - Nayem, Haque
Site: https://lichess.org/broadcast/bangladesh-49th-national-b-chess-championship-2025/round-1/NLF2cjWM/l3ou7kXi
Date: 2025-09-05
White: Siam, Chowdhury
WhiteElo: 1991
Black: Nayem, Haque
BlackTitle: FM
BlackElo: 2170
Result: 0-1
ECO: C63
Opening: Ruy Lopez: Schliemann Defense
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:47] } 1... e5 { [%eval 0.22] [%clk 1:30:54] } 2. Nf3 { [%eval 0.13] [%clk 1:31:11] } 2... Nc6 { [%eval 0.21] [%clk 1:31:21] } 3. Bb5 { [%eval 0.15] [%clk 1:31:31] } 3... f5 { [%eval 0.53] [%clk 1:31:38] } 4. d3 { [%eval 0.61] [%clk 1:31:59] } 4... Bc5 { [%eval 0.81] [%clk 1:29:05] } 5. O-O { [%eval 0.66] [%clk 1:31:49] } 5... fxe4 { [%eval 0.63] [%clk 1:28:52] } 6. dxe4 { [%eval 0.29] [%clk 1:32:17] } 6... d6 { [%eval 0.31] [%clk 1:29:09] } 7. Nc3 { [%eval 0.33] [%clk 1:30:02] } 7... Nf6 { [%eval 0.41] [%clk 1:27:57] } 8. Bg5 { [%eval 0.36] [%clk 1:23:54] } 8... h6? { [%eval 1.58] } { Mistake. O-O was best. } { [%clk 1:20:26] } 9. Bh4?? { [%eval -0.74] } { Blunder. Bxf6 was best. } { [%clk 1:20:32] } 9... a6?! { [%eval 0.09] } { Inaccuracy. g5 was best. } { [%clk 1:17:08] } 10. Be2?! { [%eval -0.88] } { Inaccuracy. Bc4 was best. } { [%clk 1:18:38] } 10... Be6 { [%eval -0.53] [%clk 1:08:23] } 11. Nd5 { [%eval -0.97] [%clk 1:05:09] } 11... g5 { [%eval -1.02] [%clk 0:52:15] } 12. Nxg5 { [%eval -0.94] [%clk 0:52:52] } 12... hxg5 { [%eval -1.15] [%clk 0:52:43] } 13. Bxg5 { [%eval -1.19] [%clk 0:53:20] } 13... Bxd5?! { [%eval -0.45] } { Inaccuracy. O-O was best. } { [%clk 0:53:01] } 14. exd5 { [%eval -0.4] [%clk 0:53:48] } 14... Nd4 { [%eval -0.61] [%clk 0:53:20] } 15. Bh5+ { [%eval -0.9] [%clk 0:53:02] } 15... Nxh5?? { [%eval 1.09] } { Blunder. Rxh5 was best. } { [%clk 0:53:48] } 16. Bxd8 { [%eval 1.12] [%clk 0:53:25] } 16... Rxd8 { [%eval 1.13] [%clk 0:39:31] } 17. c3 { [%eval 0.91] [%clk 0:50:08] } 17... Nf5 { [%eval 0.87] [%clk 0:39:26] } 18. Qg4 { [%eval 0.92] [%clk 0:21:44] } 18... Ne7 { [%eval 0.86] [%clk 0:36:22] } 19. b4 { [%eval 0.96] [%clk 0:19:12] } 19... Bb6 { [%eval 1.15] [%clk 0:36:31] } 20. Qe4?? { [%eval -0.85] } { Blunder. Kh1 was best. } { [%clk 0:18:07] } 20... Nf6 { [%eval -0.59] [%clk 0:34:45] } 21. Qf3 { [%eval -0.62] [%clk 0:16:24] } 21... Kf7 { [%eval -0.74] [%clk 0:34:57] } 22. c4 { [%eval -0.73] [%clk 0:15:54] } 22... Bd4 { [%eval -0.87] [%clk 0:34:59] } 23. Rad1 { [%eval -0.7] [%clk 0:15:28] } 23... e4 { [%eval -0.63] [%clk 0:34:57] } 24. Qe2?! { [%eval -1.51] } { Inaccuracy. Qb3 was best. } { [%clk 0:14:38] } 24... Nf5? { [%eval 0.0] } { Mistake. Be5 was best. } { [%clk 0:33:32] } 25. Kh1?? { [%eval #-4] } { Checkmate is now unavoidable. Rxd4 was best. } { [%clk 0:06:31] } 25... Rxh2+ { [%eval #-4] [%clk 0:31:30] } 26. Kxh2 { [%eval #-4] [%clk 0:05:37] } 26... Rh8+ { [%eval #-3] [%clk 0:31:58] } 27. Kg1 { [%eval #-3] [%clk 0:05:07] } 27... Ng3 { [%eval #-2] [%clk 0:32:26] } 0-1