Event: Round 4: Duong, Thanh Nha - Sambuev, Bator
Site: https://lichess.org/broadcast/championnat-invitation-du-quebec-2025/round-4/J5ZGj0pp/mTlnAd7W
White: Duong, Thanh Nha
WhiteTitle: IM
WhiteElo: 2154
Black: Sambuev, Bator
BlackTitle: GM
BlackElo: 2414
Result: 0-1
ECO: B06
Opening: Modern Defense: Standard Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:50] } 1... g6 { [%eval 0.57] [%clk 1:30:18] } 2. e4 { [%eval 0.48] [%clk 1:30:49] } 2... Bg7 { [%eval 0.48] [%clk 1:30:37] } 3. Nc3 { [%eval 0.51] [%clk 1:30:48] } 3... d6 { [%eval 0.52] [%clk 1:30:10] } 4. Bf4 { [%eval 0.36] [%clk 1:30:21] } 4... Nc6 { [%eval 0.38] [%clk 1:26:35] } 5. Bb5 { [%eval 0.33] [%clk 1:29:42] } 5... Bd7 { [%eval 0.3] [%clk 1:25:06] } 6. Nf3 { [%eval 0.3] [%clk 1:27:33] } 6... a6 { [%eval 0.34] [%clk 1:16:04] } 7. Bxc6 { [%eval 0.23] [%clk 1:23:37] } 7... bxc6?! { [%eval 1.06] } { Inaccuracy. Bxc6 was best. } { [%clk 1:16:08] } 8. Qd2 { [%eval 0.62] [%clk 1:21:59] } 8... Qb8?! { [%eval 1.61] } { Inaccuracy. f6 was best. } { [%clk 1:06:44] } 9. b3?! { [%eval 0.59] } { Inaccuracy. e5 was best. } { [%clk 1:19:38] } 9... Bg4 { [%eval 0.62] [%clk 1:06:33] } 10. Qd3 { [%eval 0.14] [%clk 1:14:48] } 10... Bxf3 { [%eval 0.66] [%clk 1:02:56] } 11. gxf3?! { [%eval -0.05] } { Inaccuracy. Qxf3 was best. } { [%clk 1:14:19] } 11... c5 { [%eval 0.0] [%clk 1:02:40] } 12. dxc5 { [%eval -0.1] [%clk 1:12:44] } 12... Qb4 { [%eval -0.11] [%clk 0:57:45] } 13. Bd2 { [%eval -0.17] [%clk 1:12:53] } 13... Qxc5 { [%eval -0.08] [%clk 0:58:07] } 14. Rd1 { [%eval -0.1] [%clk 1:09:20] } 14... e6 { [%eval -0.11] [%clk 0:54:34] } 15. Na4 { [%eval -0.17] [%clk 1:06:13] } 15... Qc6 { [%eval -0.2] [%clk 0:53:45] } 16. c4 { [%eval -0.16] [%clk 1:05:14] } 16... Nf6 { [%eval -0.2] [%clk 0:53:08] } 17. O-O { [%eval -0.21] [%clk 1:03:00] } 17... O-O { [%eval -0.21] [%clk 0:52:58] } 18. Bg5?! { [%eval -0.92] } { Inaccuracy. Rfe1 was best. } { [%clk 0:59:18] } 18... Nh5 { [%eval -0.38] [%clk 0:50:04] } 19. c5 { [%eval -0.42] [%clk 0:56:42] } 19... Be5 { [%eval -0.11] [%clk 0:45:35] } 20. Qe3 { [%eval 0.0] [%clk 0:51:57] } 20... f5 { [%eval 0.03] [%clk 0:39:59] } 21. f4 { [%eval 0.0] [%clk 0:50:52] } 21... Bf6 { [%eval 0.0] [%clk 0:38:49] } 22. Bxf6 { [%eval -0.01] [%clk 0:47:48] } 22... Nxf6 { [%eval 0.0] [%clk 0:31:37] } 23. cxd6 { [%eval -0.01] [%clk 0:43:06] } 23... cxd6 { [%eval 0.0] [%clk 0:23:02] } 24. e5 { [%eval -0.09] [%clk 0:39:51] } 24... Nd5 { [%eval -0.06] [%clk 0:22:32] } 25. Qd4 { [%eval -0.12] [%clk 0:39:17] } 25... Rac8 { [%eval 0.0] [%clk 0:20:41] } 26. exd6 { [%eval -0.14] [%clk 0:29:51] } 26... Rfd8 { [%eval -0.03] [%clk 0:18:22] } 27. Rfe1?! { [%eval -1.11] } { Inaccuracy. Rd3 was best. } { [%clk 0:27:31] } 27... Qxd6 { [%eval -0.89] [%clk 0:17:57] } 28. Re5?? { [%eval -3.84] } { Blunder. Qe5 was best. } { [%clk 0:24:06] } 28... Qe7 { [%eval -3.88] [%clk 0:17:28] } 29. Rde1 { [%eval -3.92] [%clk 0:23:40] } 29... Qh4 { [%eval -4.16] [%clk 0:17:15] } 30. Rxd5 { [%eval -4.06] [%clk 0:15:46] } 30... Rxd5 { [%eval -4.03] [%clk 0:16:27] } 31. Qe3 { [%eval -4.03] [%clk 0:15:59] } 31... Rc2 { [%eval -4.07] [%clk 0:13:03] } 32. Nc3 { [%eval -4.01] [%clk 0:10:47] } 32... Rdd2 { [%eval -3.93] [%clk 0:10:47] } 33. Ne2 { [%eval -3.84] [%clk 0:07:40] } 33... Qf6 { [%eval -3.9] [%clk 0:09:45] } 34. a4 { [%eval -3.95] [%clk 0:06:12] } 34... a5 { [%eval -3.65] [%clk 0:09:50] } 35. Qf3?! { [%eval -4.74] } { Inaccuracy. h4 was best. } { [%clk 0:06:07] } 35... Qd8 { [%eval -4.66] [%clk 0:08:57] } 36. Qe3 { [%eval -4.55] [%clk 0:05:14] } 36... Qd6 { [%eval -4.85] [%clk 0:09:03] } 37. Kf1 { [%eval -5.8] [%clk 0:04:08] } 37... Qd5 { [%eval -5.57] [%clk 0:09:03] } 38. Kg1 { [%eval -6.81] [%clk 0:04:17] } 38... Rd3 { [%eval -6.83] [%clk 0:07:38] } 39. Qe5 { [%eval -6.03] [%clk 0:03:22] } 39... Qxe5 { [%eval -5.95] [%clk 0:07:40] } 40. fxe5 { [%eval -5.84] [%clk 0:03:47] } 40... Rdd2 { [%eval -5.71] [%clk 0:07:51] } 41. Nf4 { [%eval -6.09] [%clk 0:02:29] } 41... Rxf2 { [%eval -6.13] [%clk 0:07:51] } 42. Nxe6 { [%eval -6.16] [%clk 0:02:56] } 42... Rg2+ { [%eval -5.96] [%clk 0:08:16] } 43. Kh1 { [%eval -5.91] [%clk 0:03:23] } 43... Rxh2+ { [%eval -6.29] [%clk 0:08:40] } 44. Kg1 { [%eval -6.22] [%clk 0:03:51] } 44... Rcg2+ { [%eval -6.01] [%clk 0:08:53] } 45. Kf1 { [%eval -5.89] [%clk 0:04:15] } 45... Rh1+ { [%eval -5.62] [%clk 0:09:03] } 0-1