Event: Asian Amateur Chess Championship - Open
Site: Oman
Date: 2021-11-16
White: Usukhbayar, Altan-Erdene
Black: Dauren, Darmen
Result: 0-1
ECO: A46
Opening: Indian Defense: London System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:15:01] } 1... Nf6 { [%eval 0.34] [%clk 0:15:01] } 2. Bf4 { [%eval 0.0] [%clk 0:15:04] } 2... e6 { [%eval 0.14] [%clk 0:15:04] } 3. Nf3 { [%eval 0.09] [%clk 0:15:08] } 3... d5 { [%eval 0.01] [%clk 0:15:07] } 4. e3 { [%eval 0.09] [%clk 0:15:10] } 4... Bd6 { [%eval 0.13] [%clk 0:15:11] } 5. Bg3 { [%eval 0.05] [%clk 0:15:13] } 5... O-O { [%eval 0.17] [%clk 0:15:14] } 6. Bd3 { [%eval 0.0] [%clk 0:15:16] } 6... c5 { [%eval 0.08] [%clk 0:15:15] } 7. c3 { [%eval -0.13] [%clk 0:15:19] } 7... b6 { [%eval 0.0] [%clk 0:15:17] } 8. Nbd2 { [%eval 0.11] [%clk 0:15:21] } 8... Bb7 { [%eval 0.06] [%clk 0:15:21] } 9. Qc2 { [%eval -0.1] [%clk 0:15:22] } 9... Nc6 { [%eval -0.04] [%clk 0:15:17] } 10. Ne5 { [%eval -0.27] [%clk 0:15:14] } 10... Rc8 { [%eval -0.13] [%clk 0:15:07] } 11. Ndf3 { [%eval -0.61] [%clk 0:15:03] } 11... cxd4? { [%eval 0.63] } { Mistake. c4 was best. } { [%clk 0:15:01] } 12. exd4?! { [%eval -0.37] } { Inaccuracy. Nxc6 was best. } { [%clk 0:15:03] } 12... Nb4 { [%eval -0.44] [%clk 0:14:53] } 13. Qd2 { [%eval -0.55] [%clk 0:14:54] } 13... Nxd3+ { [%eval -0.58] [%clk 0:14:55] } 14. Qxd3?! { [%eval -1.13] } { Inaccuracy. Nxd3 was best. } { [%clk 0:14:53] } 14... Ne4 { [%eval -0.98] [%clk 0:14:59] } 15. Bh4?? { [%eval -3.33] } { Blunder. O-O was best. } { [%clk 0:14:39] } 15... Qc7?? { [%eval -1.24] } { Blunder. Qe8 was best. } { [%clk 0:14:38] } 16. Bg3 { [%eval -1.38] [%clk 0:14:36] } 16... Qe7 { [%eval -1.47] [%clk 0:13:39] } 17. Nd2 { [%eval -1.82] [%clk 0:13:50] } 17... f5?! { [%eval -1.17] } { Inaccuracy. f6 was best. } { [%clk 0:13:14] } 18. f4?? { [%eval -3.46] } { Blunder. f3 was best. } { [%clk 0:13:26] } 18... Bxe5 { [%eval -3.5] [%clk 0:13:07] } 19. fxe5 { [%eval -3.56] [%clk 0:13:27] } 19... Qg5 { [%eval -3.47] [%clk 0:13:02] } 20. Nf3 { [%eval -3.52] [%clk 0:13:19] } 20... Qh6 { [%eval -3.64] [%clk 0:12:55] } 21. Bf2 { [%eval -3.61] [%clk 0:12:23] } 21... g5 { [%eval -3.28] [%clk 0:11:45] } 22. Be3?? { [%eval -6.81] } { Blunder. Nd2 was best. } { [%clk 0:12:12] } 22... f4 { [%eval -6.89] [%clk 0:11:46] } 23. Bf2 { [%eval -6.85] [%clk 0:12:13] } 23... Nxf2? { [%eval -3.36] } { Mistake. g4 was best. } { [%clk 0:11:46] } 24. Kxf2 { [%eval -3.16] [%clk 0:12:14] } 24... g4 { [%eval -3.37] [%clk 0:11:49] } 25. Nd2 { [%eval -3.16] [%clk 0:11:51] } 25... Qh4+?! { [%eval -2.25] } { Inaccuracy. Kh8 was best. } { [%clk 0:11:34] } 26. Ke2 { [%eval -2.04] [%clk 0:11:45] } 26... Qh5?! { [%eval -1.26] } { Inaccuracy. Rc4 was best. } { [%clk 0:09:23] } 27. g3 { [%eval -2.76] [%clk 0:11:29] } 27... f3+?? { [%eval -0.97] } { Blunder. Rc4 was best. } { [%clk 0:09:22] } 28. Kf2 { [%eval -0.91] [%clk 0:11:32] } 28... Qh3 { [%eval -0.65] [%clk 0:09:24] } 29. Rag1 { [%eval -0.91] [%clk 0:11:21] } 29... Rf5?! { [%eval 0.0] } { Inaccuracy. a5 was best. } { [%clk 0:09:20] } 30. Nf1 { [%eval -0.32] [%clk 0:11:16] } 30... Rcf8 { [%eval 0.0] [%clk 0:08:48] } 31. Qb5? { [%eval -1.19] } { Mistake. Ne3 was best. } { [%clk 0:10:38] } 31... R5f7?? { [%eval 0.87] } { Blunder. Bc6 was best. } { [%clk 0:08:21] } 32. Ne3 { [%eval 0.76] [%clk 0:10:13] } 32... Rg7?! { [%eval 1.7] } { Inaccuracy. h5 was best. } { [%clk 0:07:49] } 33. Rc1?? { [%eval 0.0] } { Blunder. Qf1 was best. } { [%clk 0:09:48] } 33... h5?! { [%eval 0.78] } { Inaccuracy. Qh6 was best. } { [%clk 0:07:25] } 34. c4?? { [%eval -5.05] } { Blunder. Qf1 was best. } { [%clk 0:09:24] } 34... Kh8?? { [%eval -0.32] } { Blunder. dxc4 was best. } { [%clk 0:04:58] } 35. cxd5 { [%eval -0.61] [%clk 0:09:10] } 35... Bxd5 { [%eval -1.4] [%clk 0:04:54] } 36. a3?? { [%eval -7.89] } { Blunder. Nxd5 was best. } { [%clk 0:08:38] } 36... Rgf7?? { [%eval -2.72] } { Blunder. Qg2+ was best. } { [%clk 0:04:39] } 37. Qd3?? { [%eval -12.61] } { Blunder. Nxd5 was best. } { [%clk 0:07:45] } 37... Qg2+ { [%eval -12.71] [%clk 0:04:09] } 38. Nxg2 { [%eval -13.0] [%clk 0:03:51] } 38... fxg2+ { [%eval -12.97] [%clk 0:04:10] } 39. Ke3 { [%eval -12.74] [%clk 0:03:43] } 39... Rf3+ { [%eval -12.93] [%clk 0:04:08] } 40. Ke2?! { [%eval #-3] } { Checkmate is now unavoidable. Kd2 was best. } { [%clk 0:03:39] } 40... Rf2+ { [%eval #-2] [%clk 0:04:08] } 41. Ke1 { [%eval #-2] [%clk 0:03:29] } 41... gxh1=R+ { [%eval #-1] [%clk 0:04:08] } 42. Qf1 { [%clk 0:03:30] } 42... Rhxf1# { [%clk 0:04:10] } 0-1