Event: Round 4: Duc Minh Lai - Sambuev, Bator
Site: https://lichess.org/broadcast/montreal-open-2025/round-4/cQ7O1nd9/gXx4DY48
Date: 2025-09-03
White: Duc Minh Lai
Black: Sambuev, Bator
BlackTitle: GM
BlackElo: 2431
Result: 1-0
ECO: A48
Opening: London System
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... Nf6 { [%eval 0.19] [%clk 1:28:51] } 2. Nf3 { [%eval 0.11] [%clk 1:31:19] } 2... g6 { [%eval 0.22] [%clk 1:28:49] } 3. Bf4 { [%eval 0.1] [%clk 1:30:59] } 3... Bg7 { [%eval 0.12] [%clk 1:29:13] } 4. c3 { [%eval -0.06] [%clk 1:31:19] } 4... Nh5 { [%eval 0.0] [%clk 1:29:32] } 5. Be5 { [%eval 0.0] [%clk 1:29:36] } 5... f6 { [%eval 0.13] [%clk 1:29:41] } 6. g4? { [%eval -1.32] } { Mistake. Bg3 was best. } { [%clk 1:28:52] } 6... fxe5 { [%eval -1.21] [%clk 1:29:30] } 7. gxh5 { [%eval -1.44] [%clk 1:29:15] } 7... e4 { [%eval -1.16] [%clk 1:29:21] } 8. Nfd2?! { [%eval -1.76] } { Inaccuracy. Ng5 was best. } { [%clk 1:28:09] } 8... e5? { [%eval -0.4] } { Mistake. d5 was best. } { [%clk 1:27:55] } 9. Nxe4 { [%eval -0.39] [%clk 1:27:56] } 9... d5 { [%eval -0.41] [%clk 1:21:18] } 10. Ng3 { [%eval -0.32] [%clk 1:27:56] } 10... exd4 { [%eval -0.17] [%clk 1:18:19] } 11. cxd4 { [%eval -0.24] [%clk 1:27:23] } 11... Qf6 { [%eval -0.04] [%clk 1:18:34] } 12. e3 { [%eval -0.31] [%clk 1:25:42] } 12... O-O { [%eval -0.13] [%clk 1:15:14] } 13. Qd2 { [%eval -0.29] [%clk 1:24:19] } 13... c5 { [%eval 0.12] [%clk 1:14:56] } 14. Nc3 { [%eval 0.12] [%clk 1:20:58] } 14... cxd4 { [%eval 0.24] [%clk 1:10:03] } 15. Nxd5 { [%eval 0.28] [%clk 1:20:55] } 15... Qd6 { [%eval 0.52] [%clk 1:08:05] } 16. Bg2 { [%eval 0.58] [%clk 1:18:41] } 16... Be6?! { [%eval 1.28] } { Inaccuracy. Nc6 was best. } { [%clk 1:04:55] } 17. Nf4 { [%eval 1.21] [%clk 1:16:41] } 17... Bc4?! { [%eval 2.14] } { Inaccuracy. Nc6 was best. } { [%clk 1:00:59] } 18. hxg6?! { [%eval 1.37] } { Inaccuracy. Rc1 was best. } { [%clk 1:14:28] } 18... Rxf4?! { [%eval 2.47] } { Inaccuracy. Nd7 was best. } { [%clk 0:55:20] } 19. exf4 { [%eval 2.43] [%clk 1:13:29] } 19... Nc6 { [%eval 3.12] [%clk 0:50:19] } 20. gxh7+ { [%eval 2.89] [%clk 1:13:43] } 20... Kh8 { [%eval 3.01] [%clk 0:50:41] } 21. Be4 { [%eval 3.01] [%clk 1:05:34] } 21... Rf8 { [%eval 2.66] [%clk 0:40:32] } 22. Bd3?? { [%eval 0.6] } { Blunder. Rc1 was best. } { [%clk 0:59:47] } 22... Qe7+?? { [%eval 2.85] } { Blunder. Bxd3 was best. } { [%clk 0:15:06] } 23. Kf1 { [%eval 2.62] [%clk 0:58:53] } 23... Bxd3+?! { [%eval 3.48] } { Inaccuracy. Be6 was best. } { [%clk 0:13:22] } 24. Qxd3 { [%eval 3.41] [%clk 0:59:15] } 24... Rxf4?! { [%eval 4.55] } { Inaccuracy. Qd6 was best. } { [%clk 0:13:48] } 25. Nh5 { [%eval 4.19] [%clk 0:56:43] } 25... Ne5? { [%eval 7.06] } { Mistake. Rf7 was best. } { [%clk 0:11:25] } 26. Nxf4 { [%eval 6.74] [%clk 0:56:28] } 26... Qf6 { [%eval 6.67] [%clk 0:05:36] } 27. Qe4 { [%eval 6.5] [%clk 0:56:24] } 1-0