Event: FIDE U16 Olympiad_boards_1-80
Date: 2023-08-15
White: Yifei Hu
Black: Andreas Karaolis
Result: 1-0
ECO: D74
Opening: Neo-Grünfeld Defense: Delayed Exchange Variation
Variant: Standard
TimeControl: 2700+10

1. d4 { [%eval 0.0] [%clk 0:45:18] } 1... Nf6 { [%eval 0.28] [%clk 0:45:15] } 2. c4 { [%eval 0.16] [%clk 0:45:23] } 2... g6 { [%eval 0.3] [%clk 0:45:23] } 3. g3 { [%eval 0.21] [%clk 0:45:31] } 3... Bg7 { [%eval 0.41] [%clk 0:45:30] } 4. Bg2 { [%eval 0.4] [%clk 0:45:39] } 4... d5 { [%eval 0.75] [%clk 0:45:16] } 5. cxd5 { [%eval 0.46] [%clk 0:45:25] } 5... Nxd5 { [%eval 0.57] [%clk 0:45:23] } 6. Nf3 { [%eval 0.34] [%clk 0:45:26] } 6... O-O { [%eval 0.49] [%clk 0:45:26] } 7. O-O { [%eval 0.3] [%clk 0:45:34] } 7... Nc6 { [%eval 0.36] [%clk 0:45:26] } 8. Nc3 { [%eval 0.47] [%clk 0:45:39] } 8... Nxc3 { [%eval 0.65] [%clk 0:45:26] } 9. bxc3 { [%eval 0.55] [%clk 0:45:47] } 9... Be6?! { [%eval 1.13] } { Inaccuracy. e5 was best. } { [%clk 0:43:21] } 10. Re1 { [%eval 1.03] [%clk 0:44:25] } 10... Bc4?! { [%eval 2.09] } { Inaccuracy. Na5 was best. } { [%clk 0:42:00] } 11. Nd2 { [%eval 1.78] [%clk 0:44:28] } 11... Ba6 { [%eval 2.38] [%clk 0:41:51] } 12. Qa4?! { [%eval 1.53] } { Inaccuracy. Nb3 was best. } { [%clk 0:43:58] } 12... Nb8 { [%eval 1.53] [%clk 0:40:58] } 13. Ba3 { [%eval 1.22] [%clk 0:43:46] } 13... Re8 { [%eval 1.68] [%clk 0:35:08] } 14. Ne4 { [%eval 1.42] [%clk 0:42:31] } 14... Nd7 { [%eval 1.06] [%clk 0:33:00] } 15. Rad1 { [%eval 1.18] [%clk 0:40:26] } 15... Qc8 { [%eval 1.35] [%clk 0:30:25] } 16. Bh3 { [%eval 1.17] [%clk 0:39:31] } 16... Nb6?! { [%eval 1.87] } { Inaccuracy. e6 was best. } { [%clk 0:23:05] } 17. Bxc8 { [%eval 1.65] [%clk 0:39:34] } 17... Nxa4 { [%eval 1.66] [%clk 0:23:09] } 18. Bd7 { [%eval 1.76] [%clk 0:39:43] } 18... c6 { [%eval 1.82] [%clk 0:22:32] } 19. Bxe8 { [%eval 1.77] [%clk 0:39:50] } 19... Rxe8 { [%eval 1.79] [%clk 0:22:41] } 20. Rc1 { [%eval 1.89] [%clk 0:39:25] } 20... Bc4 { [%eval 2.17] [%clk 0:22:13] } 21. Rc2 { [%eval 2.14] [%clk 0:39:12] } 21... b6 { [%eval 2.23] [%clk 0:21:37] } 22. Nd2 { [%eval 2.0] [%clk 0:39:16] } 22... Be6 { [%eval 2.05] [%clk 0:21:34] } 23. e4 { [%eval 1.87] [%clk 0:39:04] } 23... Bh6?! { [%eval 2.8] } { Inaccuracy. Kf8 was best. } { [%clk 0:21:03] } 24. f4 { [%eval 2.55] [%clk 0:38:14] } 24... b5 { [%eval 3.01] [%clk 0:20:39] } 25. c4 { [%eval 2.64] [%clk 0:37:56] } 25... bxc4? { [%eval 4.5] } { Mistake. a5 was best. } { [%clk 0:20:31] } 26. Nxc4 { [%eval 4.63] [%clk 0:38:05] } 26... Bg7 { [%eval 4.94] [%clk 0:20:38] } 27. Ne5 { [%eval 4.85] [%clk 0:38:08] } 27... g5?! { [%eval 6.61] } { Inaccuracy. Bxe5 was best. } { [%clk 0:19:46] } 28. Nxc6 { [%eval 6.53] [%clk 0:37:16] } 28... gxf4 { [%eval 6.81] [%clk 0:19:41] } 29. gxf4 { [%eval 6.84] [%clk 0:37:18] } 29... Kh8 { [%eval 6.92] [%clk 0:19:45] } 30. d5 { [%eval 6.98] [%clk 0:36:51] } 30... Bg4 { [%eval 6.85] [%clk 0:19:41] } 31. Ne5 { [%eval 6.63] [%clk 0:36:53] } 31... Bh5 { [%eval 6.79] [%clk 0:19:40] } 32. Re3 { [%eval 6.8] [%clk 0:35:52] } 32... f6 { [%eval 7.5] [%clk 0:19:28] } 33. Nd3 { [%eval 5.72] [%clk 0:35:50] } 33... f5 { [%eval 5.21] [%clk 0:19:03] } 34. e5 { [%eval 5.75] [%clk 0:35:55] } 34... Nb6 { [%eval 5.08] [%clk 0:18:59] } 35. d6 { [%eval 5.2] [%clk 0:35:18] } 35... exd6 { [%eval 5.45] [%clk 0:18:59] } 36. Bxd6 { [%eval 5.49] [%clk 0:35:26] } 36... Nd5 { [%eval 6.1] [%clk 0:19:04] } 37. Rg3 { [%eval 5.91] [%clk 0:35:31] } 37... Bh6 { [%eval 7.01] [%clk 0:17:38] } 38. Rh3 { [%eval 7.01] [%clk 0:35:09] } 38... Rg8+ { [%eval 7.48] [%clk 0:17:21] } 39. Rg2 { [%eval 6.84] [%clk 0:35:14] } 39... Rxg2+ { [%eval 6.37] [%clk 0:17:16] } 40. Kxg2 { [%eval 6.79] [%clk 0:35:22] } 40... Be2 { [%eval 7.56] [%clk 0:17:03] } 41. e6 { [%eval 6.96] [%clk 0:34:42] } 41... Bxd3?! { [%eval 11.32] } { Inaccuracy. Kg7 was best. } { [%clk 0:16:54] } 42. Rxd3 { [%eval 11.48] [%clk 0:34:46] } 42... Nf6 { [%eval #9] [%clk 0:16:58] } 43. Be5 { [%eval 64.73] [%clk 0:34:50] } 43... Kg8?! { [%eval #6] } { Checkmate is now unavoidable. Kg7 was best. } { [%clk 0:16:59] } 44. Bxf6 { [%eval #5] [%clk 0:34:40] } 44... Bf8 { [%eval #4] [%clk 0:16:58] } 45. Rd8 { [%eval #5] [%clk 0:34:46] } 45... h5 { [%eval #3] [%clk 0:17:00] } 46. e7 { [%clk 0:34:54] } 46... Kh7 { [%clk 0:17:07] } 47. exf8=Q { [%clk 0:34:59] } 47... h4 { [%clk 0:17:16] } 48. Qg7# { [%clk 0:34:49] } 1-0