Event: Chinese National Youth Chess Championship 2024
Date: 2024-02-20
White: Qingfeng Cao
WhiteElo: 2016
Black: Yihan Meng
BlackElo: 2001
Result: 1/2-1/2
ECO: D27
Opening: Queen's Gambit Accepted: Classical Defense, Main Line
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.15] [%clk 1:30:57] } 1... d5 { [%eval 0.25] [%clk 1:30:53] } 2. Nf3 { [%eval 0.09] [%clk 1:31:22] } 2... Nf6 { [%eval 0.12] [%clk 1:31:17] } 3. c4 { [%eval 0.0] [%clk 1:31:47] } 3... dxc4 { [%eval 0.24] [%clk 1:31:35] } 4. e3 { [%eval 0.27] [%clk 1:32:10] } 4... e6 { [%eval 0.29] [%clk 1:31:59] } 5. Bxc4 { [%eval 0.25] [%clk 1:32:34] } 5... c5 { [%eval 0.34] [%clk 1:32:23] } 6. O-O { [%eval 0.4] [%clk 1:32:58] } 6... a6 { [%eval 0.4] [%clk 1:32:36] } 7. Be2 { [%eval 0.13] [%clk 1:32:05] } 7... cxd4 { [%eval 0.34] [%clk 1:32:50] } 8. Nxd4 { [%eval 0.32] [%clk 1:32:28] } 8... Be7 { [%eval 0.39] [%clk 1:33:12] } 9. b3 { [%eval 0.31] [%clk 1:29:14] } 9... O-O { [%eval 0.27] [%clk 1:33:14] } 10. Bb2 { [%eval 0.21] [%clk 1:29:27] } 10... b5 { [%eval 0.35] [%clk 1:33:18] } 11. a4 { [%eval 0.29] [%clk 1:27:24] } 11... bxa4 { [%eval 0.28] [%clk 1:33:22] } 12. Rxa4 { [%eval 0.3] [%clk 1:27:47] } 12... Bb7 { [%eval 0.3] [%clk 1:33:32] } 13. Nd2 { [%eval 0.25] [%clk 1:23:39] } 13... Nbd7 { [%eval 0.36] [%clk 1:32:46] } 14. Nc4 { [%eval 0.02] [%clk 1:18:11] } 14... Nb6 { [%eval 0.14] [%clk 1:26:28] } 15. Ra2 { [%eval 0.18] [%clk 1:11:40] } 15... Nxc4 { [%eval 0.22] [%clk 1:26:49] } 16. Bxc4 { [%eval 0.12] [%clk 1:11:45] } 16... Qb6 { [%eval 0.12] [%clk 1:25:23] } 17. Qe2 { [%eval -0.03] [%clk 1:10:38] } 17... Nd5 { [%eval 0.1] [%clk 1:17:55] } 18. Rfa1 { [%eval 0.01] [%clk 1:03:55] } 18... Bf6 { [%eval 0.01] [%clk 1:15:19] } 19. Ra4 { [%eval -0.03] [%clk 0:56:40] } 19... a5 { [%eval 0.0] [%clk 1:13:33] } 20. h3 { [%eval 0.0] [%clk 0:49:19] } 20... h6 { [%eval 0.0] [%clk 1:13:07] } 21. Qd2 { [%eval -0.02] [%clk 0:48:47] } 21... Nb4 { [%eval -0.03] [%clk 1:09:53] } 22. Bc3 { [%eval -0.03] [%clk 0:48:25] } 22... Rfd8 { [%eval -0.06] [%clk 1:07:16] } 23. Qb2 { [%eval -0.04] [%clk 0:47:53] } 23... h5 { [%eval -0.03] [%clk 1:02:11] } 24. Qe2 { [%eval -0.02] [%clk 0:44:59] } 24... Qc5 { [%eval -0.03] [%clk 1:00:36] } 25. Rc1 { [%eval -0.08] [%clk 0:37:41] } 25... Qg5 { [%eval -0.04] [%clk 0:41:31] } 26. f4 { [%eval -0.22] [%clk 0:31:22] } 26... Qg3 { [%eval -0.23] [%clk 0:38:42] } 27. Be1 { [%eval -0.27] [%clk 0:27:37] } 27... Qxe3+ { [%eval -0.33] [%clk 0:38:15] } 28. Qxe3 { [%eval -0.31] [%clk 0:27:59] } 28... Bxd4 { [%eval -0.35] [%clk 0:38:43] } 29. Bf2 { [%eval -0.67] [%clk 0:24:35] } 29... Bxe3 { [%eval -0.55] [%clk 0:39:06] } 30. Bxe3 { [%eval -0.7] [%clk 0:25:02] } 30... Nd5 { [%eval -0.48] [%clk 0:36:06] } 31. Bxd5 { [%eval -0.42] [%clk 0:22:13] } 31... Bxd5 { [%eval -0.45] [%clk 0:36:18] } 32. Rc5? { [%eval -1.75] } { Mistake. Bb6 was best. } { [%clk 0:18:00] } 32... Rdb8?! { [%eval -0.63] } { Inaccuracy. Rab8 was best. } { [%clk 0:35:43] } 33. Rcxa5 { [%eval -0.44] [%clk 0:16:46] } 33... Rxa5 { [%eval -0.58] [%clk 0:36:07] } 34. Rxa5 { [%eval -0.63] [%clk 0:17:13] } 34... Rxb3 { [%eval -0.88] [%clk 0:36:32] } 35. Bf2 { [%eval -0.87] [%clk 0:17:19] } 35... Rb1+ { [%eval -0.39] [%clk 0:34:13] } 36. Kh2 { [%eval -0.43] [%clk 0:17:47] } 36... Rb2 { [%eval -0.49] [%clk 0:33:53] } 37. Kg1 { [%eval -0.48] [%clk 0:18:12] } 37... Rd2 { [%eval -0.45] [%clk 0:34:11] } 38. Ra4 { [%eval -0.78] [%clk 0:17:07] } 38... Rd1+ { [%eval -0.7] [%clk 0:33:30] } 39. Kh2 { [%eval -0.74] [%clk 0:17:30] } 39... Kh7 { [%eval -0.45] [%clk 0:33:06] } 40. Rd4 { [%eval -0.42] [%clk 0:15:58] } 40... Rf1 { [%eval -0.53] [%clk 0:33:31] } 41. Rd2 { [%eval -0.46] [%clk 0:15:47] } 41... Kg6 { [%eval -0.48] [%clk 0:33:48] } 42. Re2 { [%eval -0.47] [%clk 0:14:01] } 42... f6 { [%eval -0.58] [%clk 0:32:59] } 43. g4? { [%eval -1.97] } { Mistake. Be3 was best. } { [%clk 0:09:42] } 43... hxg4 { [%eval -1.91] [%clk 0:31:17] } 44. hxg4 { [%eval -2.29] [%clk 0:10:04] } 44... Bf3 { [%eval -2.21] [%clk 0:31:39] } 45. f5+?? { [%eval -5.06] } { Blunder. Ra2 was best. } { [%clk 0:06:56] } 45... Kg5?? { [%eval -2.14] } { Blunder. exf5 was best. } { [%clk 0:27:56] } 46. Kg3 { [%eval -2.1] [%clk 0:06:19] } 46... Bxg4 { [%eval -2.2] [%clk 0:26:24] } 47. Rxe6 { [%eval -2.07] [%clk 0:06:33] } 47... Rh1 { [%eval -2.09] [%clk 0:23:01] } 48. Re7 { [%eval -2.07] [%clk 0:06:17] } 48... Rh3+ { [%eval -2.1] [%clk 0:23:14] } 49. Kg2 { [%eval -2.12] [%clk 0:06:46] } 49... Rh7 { [%eval -2.06] [%clk 0:23:34] } 50. Ra7 { [%eval -2.07] [%clk 0:05:43] } 50... Bxf5 { [%eval -1.86] [%clk 0:23:36] } 51. Bc5 { [%eval -1.88] [%clk 0:05:47] } 51... Kg6 { [%eval -1.97] [%clk 0:23:57] } 52. Bf8 { [%eval -1.68] [%clk 0:06:08] } 52... Be6 { [%eval -1.81] [%clk 0:24:20] } 53. Kg3 { [%eval -1.78] [%clk 0:04:22] } 53... Bf7?? { [%eval -0.01] } { Blunder. Bd5 was best. } { [%clk 0:24:07] } 54. Ra4 { [%eval -0.08] [%clk 0:04:48] } 54... Kg5 { [%eval 0.0] [%clk 0:17:47] } 55. Rg4+ { [%eval 0.0] [%clk 0:04:23] } 55... Kh6 { [%eval 0.0] [%clk 0:18:12] } 56. Rf4 { [%eval 0.0] [%clk 0:04:49] } 56... Rh8 { [%eval 0.0] [%clk 0:16:03] } 57. Rxf6+ { [%eval 0.0] [%clk 0:04:51] } 57... Bg6 { [%eval 0.0] [%clk 0:16:29] } 58. Rf4 { [%eval 0.0] [%clk 0:03:49] } 58... Bh5 { [%eval 0.0] [%clk 0:16:42] } 59. Rf2 { [%eval 0.0] [%clk 0:03:01] } 59... Kh7 { [%eval 0.0] [%clk 0:16:56] } 60. Rh2 { [%eval 0.0] [%clk 0:03:10] } 60... Kg8 { [%eval 0.0] [%clk 0:17:17] } 61. Bc5 { [%eval 0.0] [%clk 0:03:14] } 61... Rh6 { [%eval 0.0] [%clk 0:17:39] } 62. Be3 { [%eval 0.0] [%clk 0:03:07] } 62... Rg6+ { [%eval 0.0] [%clk 0:18:03] } 63. Kf4 { [%eval 0.0] [%clk 0:03:13] } 63... Bd1 { [%eval 0.0] [%clk 0:18:05] } 64. Rd2 { [%eval 0.0] [%clk 0:03:37] } 64... Ba4 { [%eval 0.0] [%clk 0:17:52] } 65. Ke5 { [%eval 0.0] [%clk 0:03:43] } 65... Kf7 { [%eval 0.0] [%clk 0:18:00] } 66. Rf2+ { [%eval 0.0] [%clk 0:04:02] } 66... Ke8 { [%eval 0.0] [%clk 0:18:13] } 67. Bc5 { [%eval 0.0] [%clk 0:04:15] } 67... Bb3 { [%eval 0.0] [%clk 0:18:34] } 68. Rf8+ { [%eval 0.0] [%clk 0:03:34] } 68... Kd7 { [%eval 0.0] [%clk 0:19:00] } 69. Bd4 { [%eval 0.0] [%clk 0:03:25] } 69... Ke7 { [%eval 0.0] } 70. Ke4?? { [%eval -6.2] } { Blunder. Bc5+ was best. } { [%clk 1:30:30] } 1/2-1/2