Event: Round 8: Yoon, Jacob D - Zhou, Yang-Fan
Date: 2024-12-06
White: Yoon, Jacob D
WhiteTitle: CM
WhiteElo: 2268
Black: Zhou, Yang-Fan
BlackTitle: IM
BlackElo: 2424
Result: 0-1
ECO: E94
Opening: King's Indian Defense: Orthodox Variation, Positional Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:29:32] } 1... Nf6 { [%eval 0.19] [%clk 1:30:58] } 2. c4 { [%eval 0.17] [%clk 1:29:56] } 2... g6 { [%eval 0.25] [%clk 1:31:22] } 3. Nc3 { [%eval 0.21] [%clk 1:30:23] } 3... Bg7 { [%eval 0.51] [%clk 1:31:49] } 4. e4 { [%eval 0.4] [%clk 1:30:49] } 4... O-O { [%eval 0.53] [%clk 1:32:13] } 5. Be2 { [%eval 0.49] [%clk 1:31:17] } 5... d6 { [%eval 0.49] [%clk 1:32:18] } 6. Nf3 { [%eval 0.45] [%clk 1:31:43] } 6... Nbd7 { [%eval 0.6] [%clk 1:32:22] } 7. O-O { [%eval 0.63] [%clk 1:31:49] } 7... e5 { [%eval 0.52] [%clk 1:32:48] } 8. Be3 { [%eval 0.7] [%clk 1:32:13] } 8... Qe7 { [%eval 0.89] [%clk 1:32:54] } 9. Qc2 { [%eval 0.86] [%clk 1:26:14] } 9... c6 { [%eval 0.98] [%clk 1:33:06] } 10. d5 { [%eval 0.97] [%clk 1:19:33] } 10... c5 { [%eval 1.28] [%clk 1:33:27] } 11. Nd2 { [%eval 0.89] [%clk 1:18:15] } 11... Kh8 { [%eval 0.85] [%clk 1:32:17] } 12. Kh1 { [%eval 0.69] [%clk 1:17:58] } 12... Ng8 { [%eval 0.68] [%clk 1:32:20] } 13. g4 { [%eval 0.61] [%clk 1:18:07] } 13... Bh6 { [%eval 0.68] [%clk 1:23:56] } 14. Rg1 { [%eval 0.17] [%clk 1:15:27] } 14... Bf4 { [%eval 0.69] [%clk 1:21:43] } 15. Nf1 { [%eval 0.7] [%clk 1:12:43] } 15... Ndf6 { [%eval 0.76] [%clk 1:14:04] } 16. Qd2 { [%eval 0.84] [%clk 1:10:31] } 16... g5 { [%eval 0.83] [%clk 1:14:28] } 17. Qd1?! { [%eval -0.16] } { Inaccuracy. h4 was best. } { [%clk 1:06:29] } 17... Qd7?! { [%eval 0.91] } { Inaccuracy. h5 was best. } { [%clk 1:11:59] } 18. Qa4?? { [%eval -1.76] } { Blunder. h4 was best. } { [%clk 0:54:15] } 18... Qxa4 { [%eval -1.72] [%clk 1:10:05] } 19. Nxa4 { [%eval -1.7] [%clk 0:54:03] } 19... Nxe4 { [%eval -1.98] [%clk 1:10:33] } 20. f3 { [%eval -1.88] [%clk 0:51:31] } 20... Bd7 { [%eval -1.99] [%clk 1:01:34] } 21. fxe4 { [%eval -2.13] [%clk 0:49:13] } 21... Bxa4 { [%eval -2.03] [%clk 1:02:00] } 22. Bxf4 { [%eval -2.52] [%clk 0:42:49] } 22... exf4 { [%eval -2.54] [%clk 1:02:24] } 23. Nd2 { [%eval -2.49] [%clk 0:43:13] } 23... f6 { [%eval -2.09] [%clk 0:52:36] } 24. a3 { [%eval -2.04] [%clk 0:33:56] } 24... Bd7 { [%eval -2.05] [%clk 0:43:17] } 25. b4 { [%eval -2.07] [%clk 0:34:16] } 25... b6 { [%eval -2.11] [%clk 0:43:45] } 26. bxc5 { [%eval -2.66] [%clk 0:33:02] } 26... dxc5? { [%eval -1.17] } { Mistake. bxc5 was best. } { [%clk 0:42:20] } 27. a4 { [%eval -1.19] [%clk 0:27:13] } 27... Nh6 { [%eval -1.32] [%clk 0:42:34] } 28. h3 { [%eval -1.56] [%clk 0:26:35] } 28... Nf7 { [%eval -1.45] [%clk 0:42:52] } 29. Kg2 { [%eval -1.57] [%clk 0:24:12] } 29... Rfe8?! { [%eval -0.92] } { Inaccuracy. a5 was best. } { [%clk 0:42:43] } 30. Rgb1 { [%eval -1.37] [%clk 0:20:13] } 30... Nd6?! { [%eval -0.3] } { Inaccuracy. f5 was best. } { [%clk 0:36:53] } 31. Bd3?! { [%eval -1.27] } { Inaccuracy. a5 was best. } { [%clk 0:20:37] } 31... Rab8 { [%eval -1.29] [%clk 0:34:47] } 32. a5 { [%eval -1.18] [%clk 0:16:27] } 32... b5 { [%eval -1.19] [%clk 0:34:27] } 33. cxb5 { [%eval -1.34] [%clk 0:15:31] } 33... Bxb5 { [%eval -1.4] [%clk 0:34:31] } 34. Bxb5 { [%eval -1.3] [%clk 0:14:54] } 34... Nxb5 { [%eval -1.3] [%clk 0:34:57] } 35. Rc1 { [%eval -1.28] [%clk 0:12:08] } 35... Nd6 { [%eval -1.12] [%clk 0:32:19] } 36. Rab1?? { [%eval -3.21] } { Blunder. Ra2 was best. } { [%clk 0:11:07] } 36... Rxb1 { [%eval -2.97] [%clk 0:22:29] } 37. Rxb1 { [%eval -2.98] [%clk 0:11:35] } 37... c4 { [%eval -3.1] [%clk 0:22:45] } 38. Rc1 { [%eval -3.05] [%clk 0:09:25] } 38... Rc8 { [%eval -3.15] [%clk 0:21:03] } 39. Kf3 { [%eval -3.17] [%clk 0:09:22] } 39... Kg7 { [%eval -3.12] [%clk 0:19:40] } 40. a6 { [%eval -3.64] [%clk 0:07:26] } 40... Kf8 { [%eval -3.21] [%clk 0:16:31] } 41. Nb1 { [%eval -3.72] [%clk 0:01:04] } 41... Rb8 { [%eval -3.81] [%clk 0:12:10] } 42. Nd2 { [%eval -3.74] [%clk 0:01:15] } 42... Rb4 { [%eval -3.7] [%clk 0:07:19] } 43. Rb1?? { [%eval -7.84] } { Blunder. h4 was best. } { [%clk 0:01:44] } 43... Rxb1 { [%eval -7.62] [%clk 0:03:57] } 44. Nxb1 { [%eval -7.25] [%clk 0:02:12] } 44... Nb5 { [%eval -6.09] [%clk 0:04:22] } 45. Ke2 { [%eval -7.28] [%clk 0:02:02] } 45... Ke7?! { [%eval -5.33] } { Inaccuracy. c3 was best. } { [%clk 0:04:21] } 46. Nd2 { [%eval -5.33] [%clk 0:02:18] } 46... Nd6 { [%eval -5.0] [%clk 0:04:39] } 47. Kd1 { [%eval -6.0] [%clk 0:02:12] } 47... c3 { [%eval -6.1] [%clk 0:03:08] } 48. Nf3 { [%eval -6.24] [%clk 0:02:38] } 48... Nxe4 { [%eval -6.18] [%clk 0:02:25] } 49. Nd4 { [%eval -6.28] [%clk 0:03:07] } 49... Kd6 { [%eval -6.09] [%clk 0:02:04] } 50. Nb5+ { [%eval -7.8] [%clk 0:03:36] } 50... Kxd5 { [%eval -7.2] [%clk 0:01:12] } 51. Nxa7? { [%eval #-11] } { Checkmate is now unavoidable. Na3 was best. } { [%clk 0:04:04] } 51... f3 { [%eval #-10] [%clk 0:26:47] } 52. Nb5 { [%eval #-9] [%clk 0:34:32] } 52... f2 { [%eval #-9] [%clk 0:26:02] } 53. Ke2 { [%eval #-8] [%clk 0:35:00] } 53... c2 { [%eval #-7] [%clk 0:26:15] } 54. a7 { [%eval #-6] [%clk 0:35:27] } 54... f1=Q+ { [%eval #-5] [%clk 0:26:34] } 0-1