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

1. d4 { [%eval 0.0] [%clk 0:15:00] } 1... Nf6 { [%eval 0.24] [%clk 0:14:52] } 2. Nf3 { [%eval 0.12] [%clk 0:15:03] } 2... e6 { [%eval 0.29] [%clk 0:14:52] } 3. Bf4 { [%eval 0.09] [%clk 0:14:58] } 3... Be7 { [%eval 0.47] [%clk 0:13:49] } 4. e3 { [%eval 0.12] [%clk 0:14:56] } 4... d6 { [%eval 0.21] [%clk 0:13:46] } 5. Bd3 { [%eval 0.29] [%clk 0:14:59] } 5... c6?! { [%eval 0.85] } { Inaccuracy. Nh5 was best. } { [%clk 0:13:49] } 6. Nbd2? { [%eval -0.25] } { Mistake. h3 was best. } { [%clk 0:14:52] } 6... Nbd7?! { [%eval 0.6] } { Inaccuracy. Nh5 was best. } { [%clk 0:13:53] } 7. c4 { [%eval 0.12] [%clk 0:14:52] } 7... Qc7?! { [%eval 0.84] } { Inaccuracy. Nh5 was best. } { [%clk 0:13:56] } 8. Qc2 { [%eval 0.54] [%clk 0:14:53] } 8... e5 { [%eval 0.83] [%clk 0:13:55] } 9. Bg3?! { [%eval 0.3] } { Inaccuracy. Bg5 was best. } { [%clk 0:14:22] } 9... Nh5 { [%eval 0.53] [%clk 0:13:30] } 10. dxe5?! { [%eval -0.14] } { Inaccuracy. Bxh7 was best. } { [%clk 0:12:31] } 10... dxe5 { [%eval -0.04] [%clk 0:13:30] } 11. Qc3 { [%eval -0.52] [%clk 0:12:05] } 11... Nxg3 { [%eval -0.25] [%clk 0:13:28] } 12. hxg3 { [%eval -0.21] [%clk 0:12:06] } 12... h6 { [%eval -0.17] [%clk 0:13:32] } 13. Rh5?! { [%eval -1.01] } { Inaccuracy. Bf5 was best. } { [%clk 0:10:54] } 13... g6 { [%eval -0.84] [%clk 0:11:53] } 14. Rh1 { [%eval -0.85] [%clk 0:09:16] } 14... Bf6? { [%eval 0.42] } { Mistake. a5 was best. } { [%clk 0:11:41] } 15. Ne4 { [%eval 0.24] [%clk 0:09:05] } 15... Bg7 { [%eval 0.29] [%clk 0:11:45] } 16. Qb4?? { [%eval -1.37] } { Blunder. Qa3 was best. } { [%clk 0:08:12] } 16... Bf8?? { [%eval 0.36] } { Blunder. c5 was best. } { [%clk 0:11:20] } 17. Qc3 { [%eval 0.0] [%clk 0:07:44] } 17... a5? { [%eval 1.41] } { Mistake. f5 was best. } { [%clk 0:11:19] } 18. Bc2?? { [%eval -7.92] } { Blunder. O-O-O was best. } { [%clk 0:06:34] } 18... Bb4 { [%eval -7.68] [%clk 0:11:20] } 19. O-O-O { [%eval -7.76] [%clk 0:05:49] } 19... Bxc3 { [%eval -7.93] [%clk 0:11:22] } 20. Nxc3 { [%eval -7.68] [%clk 0:05:50] } 20... Nf6 { [%eval -7.9] [%clk 0:11:03] } 21. Nd2 { [%eval -8.06] [%clk 0:05:38] } 21... Bd7 { [%eval -7.38] [%clk 0:10:31] } 22. Nde4 { [%eval -7.46] [%clk 0:05:39] } 22... Nxe4 { [%eval -7.46] [%clk 0:10:34] } 23. Nxe4 { [%eval -7.37] [%clk 0:05:43] } 23... O-O-O { [%eval -6.19] [%clk 0:10:34] } 24. Nd6+ { [%eval -6.13] [%clk 0:05:45] } 24... Kb8 { [%eval -6.62] [%clk 0:10:31] } 25. Nxf7 { [%eval -6.69] [%clk 0:05:45] } 25... Bf5 { [%eval -5.81] [%clk 0:10:19] } 26. Rxd8+ { [%eval -5.48] [%clk 0:05:39] } 26... Rxd8 { [%eval -5.88] [%clk 0:10:19] } 27. Nxd8 { [%eval -5.8] [%clk 0:05:40] } 27... Qxd8 { [%eval -5.95] [%clk 0:10:23] } 28. Bxf5 { [%eval -5.57] [%clk 0:05:40] } 28... gxf5 { [%eval -5.84] [%clk 0:10:26] } 29. Rxh6 { [%eval -6.02] [%clk 0:05:40] } 29... Qd3 { [%eval -5.93] [%clk 0:10:24] } 30. b3?! { [%eval -8.6] } { Inaccuracy. Rh1 was best. } { [%clk 0:05:28] } 30... Qf1+ { [%eval -8.09] [%clk 0:10:26] } 31. Kb2 { [%eval -8.3] [%clk 0:05:05] } 31... Qxf2+ { [%eval -8.1] [%clk 0:10:28] } 32. Ka3 { [%eval -8.34] [%clk 0:04:51] } 32... Qxg3 { [%eval -7.92] [%clk 0:10:27] } 33. Rh8+ { [%eval -8.03] [%clk 0:04:48] } 33... Ka7 { [%eval -8.36] [%clk 0:10:29] } 34. Ka4 { [%eval -8.99] [%clk 0:04:34] } 34... Qxe3 { [%eval -8.62] [%clk 0:10:24] } 35. Kxa5? { [%eval #-8] } { Checkmate is now unavoidable. a3 was best. } { [%clk 0:04:28] } 35... Qc5+ { [%eval #-7] [%clk 0:10:25] } 36. Ka4 { [%eval #-7] [%clk 0:04:20] } 36... b5+? { [%eval -8.58] } { Lost forced checkmate sequence. b6 was best. } { [%clk 0:10:28] } 37. cxb5 { [%eval -8.5] [%clk 0:04:09] } 37... Qxb5+ { [%eval -8.21] [%clk 0:10:28] } 38. Ka3 { [%eval -8.3] [%clk 0:04:09] } 38... Qa5+ { [%eval -8.15] [%clk 0:10:24] } 39. Kb2 { [%eval -8.53] [%clk 0:04:11] } 39... Qd2+ { [%eval -8.15] [%clk 0:10:28] } 40. Ka3 { [%eval -8.38] [%clk 0:04:08] } 40... e4 { [%eval -8.36] [%clk 0:10:26] } 41. Rh7+ { [%eval -9.68] [%clk 0:04:09] } 41... Kb6 { [%eval -9.12] [%clk 0:10:29] } 42. Rh3? { [%eval #-11] } { Checkmate is now unavoidable. Rh8 was best. } { [%clk 0:03:56] } 42... Qxg2? { [%eval -8.91] } { Lost forced checkmate sequence. Qc1+ was best. } { [%clk 0:10:29] } 43. Rc3 { [%eval -60.23] [%clk 0:03:56] } 43... Qd2 { [%eval #-7] [%clk 0:10:28] } 44. Rc4 { [%eval #-7] [%clk 0:04:00] } 44... e3 { [%eval #-9] [%clk 0:10:30] } 45. Rb4+ { [%eval #-7] [%clk 0:03:58] } 45... Qxb4+ { [%eval #-19] [%clk 0:10:33] } 46. Kxb4 { [%eval -73.32] [%clk 0:04:02] } 46... e2 { [%eval -72.54] [%clk 0:10:37] } 0-1