Event: Round 4: Han, Qixuan - Aiten, Islam
Date: 2025-06-11
White: Han, Qixuan
WhiteElo: 1831
Black: Aiten, Islam
BlackElo: 2037
Result: 0-1
ECO: E61
Opening: King's Indian Defense: Semi-Classical Variation
Variant: Standard
TimeControl: 15+10

1. Nf3 { [%eval 0.1] [%clk 0:15:19] } 1... Nf6 { [%eval 0.23] [%clk 0:15:06] } 2. e3 { [%eval 0.04] [%clk 0:15:27] } 2... g6 { [%eval 0.24] [%clk 0:15:07] } 3. c4 { [%eval 0.0] [%clk 0:15:35] } 3... Bg7 { [%eval 0.28] [%clk 0:15:15] } 4. Nc3 { [%eval 0.09] [%clk 0:15:44] } 4... O-O { [%eval 0.0] [%clk 0:15:20] } 5. d4 { [%eval 0.13] [%clk 0:15:53] } 5... d6 { [%eval 0.18] [%clk 0:15:29] } 6. Be2 { [%eval 0.14] [%clk 0:16:01] } 6... c5 { [%eval 0.29] [%clk 0:14:34] } 7. O-O { [%eval 0.33] [%clk 0:15:56] } 7... Nc6 { [%eval 0.74] [%clk 0:14:40] } 8. b3?! { [%eval 0.1] } { Inaccuracy. d5 was best. } { [%clk 0:15:11] } 8... e5 { [%eval 0.54] [%clk 0:13:05] } 9. dxe5 { [%eval 0.03] [%clk 0:13:51] } 9... dxe5 { [%eval 0.17] [%clk 0:13:05] } 10. Ba3 { [%eval -0.08] [%clk 0:13:01] } 10... Qa5 { [%eval -0.16] [%clk 0:12:28] } 11. Bb2 { [%eval -0.13] [%clk 0:12:38] } 11... Rd8 { [%eval 0.07] [%clk 0:12:27] } 12. Nd5?? { [%eval -2.17] } { Blunder. Qc2 was best. } { [%clk 0:12:29] } 12... Nxd5 { [%eval -2.29] [%clk 0:10:29] } 13. cxd5 { [%eval -2.14] [%clk 0:12:38] } 13... e4 { [%eval -2.11] [%clk 0:10:26] } 14. Bxg7 { [%eval -2.03] [%clk 0:10:02] } 14... exf3 { [%eval -2.16] [%clk 0:10:34] } 15. Bf6?! { [%eval -3.33] } { Inaccuracy. Bh6 was best. } { [%clk 0:06:01] } 15... fxe2 { [%eval -3.2] [%clk 0:10:41] } 16. Qxe2 { [%eval -3.4] [%clk 0:06:10] } 16... Rxd5 { [%eval -3.24] [%clk 0:10:47] } 17. e4?! { [%eval -4.15] } { Inaccuracy. Rad1 was best. } { [%clk 0:06:10] } 17... Rd6 { [%eval -3.9] [%clk 0:09:16] } 18. e5 { [%eval -4.16] [%clk 0:06:13] } 18... Rd5 { [%eval -3.68] [%clk 0:08:26] } 19. Rad1 { [%eval -3.42] [%clk 0:05:54] } 19... Be6 { [%eval -2.81] [%clk 0:07:21] } 20. Rxd5?! { [%eval -3.78] } { Inaccuracy. Qe3 was best. } { [%clk 0:05:45] } 20... Bxd5 { [%eval -4.2] [%clk 0:07:30] } 21. Qe3 { [%eval -4.44] [%clk 0:05:51] } 21... Nd4 { [%eval -4.25] [%clk 0:07:26] } 22. Qh6 { [%eval -4.5] [%clk 0:05:03] } 22... Ne6 { [%eval -4.41] [%clk 0:06:25] } 23. Rd1 { [%eval -4.72] [%clk 0:04:29] } 23... Qxa2 { [%eval -4.54] [%clk 0:06:12] } 24. h4 { [%eval -5.08] [%clk 0:04:16] } 24... Qxb3 { [%eval -5.05] [%clk 0:06:02] } 25. Re1 { [%eval -5.45] [%clk 0:04:10] } 25... Qb4 { [%eval -5.32] [%clk 0:04:54] } 26. Re3 { [%eval -6.05] [%clk 0:03:54] } 26... Qf4 { [%eval -5.86] [%clk 0:04:36] } 27. Bg5 { [%eval -6.79] [%clk 0:03:24] } 27... Nxg5 { [%eval -6.63] [%clk 0:04:19] } 28. hxg5 { [%eval -6.6] [%clk 0:03:33] } 28... Qg4 { [%eval -6.96] [%clk 0:04:28] } 29. f3 { [%eval -6.98] [%clk 0:02:25] } 29... Qh5 { [%eval -6.78] [%clk 0:04:14] } 30. Rd3 { [%eval -7.51] [%clk 0:02:34] } 30... Qxh6 { [%eval -7.63] [%clk 0:04:22] } 31. gxh6 { [%eval -7.73] [%clk 0:02:42] } 31... Be6 { [%eval -7.62] [%clk 0:04:31] } 32. Kf2 { [%eval -7.93] [%clk 0:02:41] } 32... c4 { [%eval -7.72] [%clk 0:04:40] } 33. Rd1 { [%eval -7.99] [%clk 0:02:29] } 33... b5 { [%eval -7.94] [%clk 0:04:48] } 34. f4 { [%eval -8.08] [%clk 0:02:30] } 34... b4 { [%eval -7.91] [%clk 0:04:57] } 35. Kf3 { [%eval -8.69] [%clk 0:02:30] } 35... c3 { [%eval -8.57] [%clk 0:05:07] } 36. g4 { [%eval -9.46] [%clk 0:02:39] } 36... c2 { [%eval -9.17] [%clk 0:05:16] } 37. Rg1? { [%eval #-10] } { Checkmate is now unavoidable. Rd3 was best. } { [%clk 0:02:36] } 37... b3 { [%eval #-11] [%clk 0:05:23] } 38. f5 { [%eval #-11] [%clk 0:02:42] } 38... Bd5+ { [%eval #-10] [%clk 0:05:33] } 39. Kf4 { [%eval #-8] [%clk 0:02:49] } 39... b2 { [%eval #-7] [%clk 0:05:40] } 40. fxg6 { [%eval #-6] [%clk 0:02:48] } 40... c1=Q+ { [%eval #-5] [%clk 0:05:47] } 0-1