Event: U.S. Junior Championship
Site: Saint Louis, United States
Date: 2021-07-25
White: Checa, Nicolas
WhiteElo: 2552
Black: Yoo, Christopher Woojin
BlackElo: 2474
Result: 1-0
ECO: D85
Opening: Grünfeld Defense: Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:54] } 2. c4 { [%eval 0.11] [%clk 1:31:08] } 2... g6 { [%eval 0.28] [%clk 1:31:18] } 3. Nc3 { [%eval 0.17] [%clk 1:31:31] } 3... d5 { [%eval 0.2] [%clk 1:31:43] } 4. cxd5 { [%eval 0.35] [%clk 1:29:25] } 4... Nxd5 { [%eval 0.28] [%clk 1:32:07] } 5. e4 { [%eval 0.19] [%clk 1:29:50] } 5... Nxc3 { [%eval 0.21] [%clk 1:32:32] } 6. bxc3 { [%eval 0.0] [%clk 1:30:17] } 6... Bg7 { [%eval 0.23] [%clk 1:32:55] } 7. Qa4+ { [%eval 0.13] [%clk 1:29:26] } 7... Qd7 { [%eval 0.0] [%clk 1:29:12] } 8. Qa3 { [%eval 0.32] [%clk 1:26:16] } 8... O-O { [%eval 0.37] [%clk 1:26:26] } 9. Nf3 { [%eval 0.18] [%clk 1:25:43] } 9... Re8 { [%eval 0.62] [%clk 1:11:42] } 10. Be3 { [%eval 1.0] [%clk 1:23:29] } 10... b6 { [%eval 0.84] [%clk 1:08:53] } 11. Rd1 { [%eval 0.87] [%clk 1:20:43] } 11... Bb7 { [%eval 0.94] [%clk 1:06:15] } 12. Bd3 { [%eval 0.88] [%clk 1:21:04] } 12... c5 { [%eval 1.11] [%clk 1:04:17] } 13. O-O { [%eval 1.13] [%clk 1:16:26] } 13... Qc7 { [%eval 1.19] [%clk 1:04:28] } 14. d5 { [%eval 1.01] [%clk 1:06:22] } 14... c4 { [%eval 0.97] [%clk 0:59:47] } 15. Bc2 { [%eval 1.01] [%clk 1:04:52] } 15... a6 { [%eval 1.45] [%clk 0:51:09] } 16. Qb4?! { [%eval 0.72] } { Inaccuracy. Ng5 was best. } { [%clk 1:00:39] } 16... Nd7 { [%eval 0.76] [%clk 0:50:37] } 17. Rb1 { [%eval 0.8] [%clk 1:00:39] } 17... a5?! { [%eval 1.86] } { Inaccuracy. b5 was best. } { [%clk 0:44:57] } 18. Qa3 { [%eval 1.91] [%clk 0:52:51] } 18... e6 { [%eval 2.29] [%clk 0:41:56] } 19. d6 { [%eval 2.35] [%clk 0:52:03] } 19... Qd8 { [%eval 2.45] [%clk 0:40:52] } 20. Nd2 { [%eval 2.64] [%clk 0:47:32] } 20... Bc6 { [%eval 2.53] [%clk 0:35:17] } 21. Ba4 { [%eval 2.74] [%clk 0:44:45] } 21... Rc8 { [%eval 2.89] [%clk 0:33:04] } 22. Nxc4 { [%eval 3.52] [%clk 0:44:04] } 22... b5 { [%eval 3.6] [%clk 0:30:35] } 23. Rxb5 { [%eval 3.36] [%clk 0:44:27] } 23... Bxb5 { [%eval 3.18] [%clk 0:27:44] } 24. Bxb5 { [%eval 3.49] [%clk 0:44:38] } 24... Rf8 { [%eval 3.71] [%clk 0:27:59] } 25. Rc1?! { [%eval 2.48] } { Inaccuracy. Qxa5 was best. } { [%clk 0:35:18] } 25... Qh4 { [%eval 2.87] [%clk 0:21:32] } 26. Nd2 { [%eval 2.93] [%clk 0:28:26] } 26... Nf6? { [%eval 4.77] } { Mistake. Ne5 was best. } { [%clk 0:17:08] } 27. c4 { [%eval 4.71] [%clk 0:27:51] } 27... Rb8 { [%eval 4.87] [%clk 0:15:00] } 28. Qd3 { [%eval 5.6] [%clk 0:26:13] } 28... Ng4 { [%eval 5.42] [%clk 0:12:57] } 29. Nf3 { [%eval 5.69] [%clk 0:26:35] } 29... Qh5 { [%eval 5.42] [%clk 0:13:25] } 30. Bd4 { [%eval 5.09] [%clk 0:25:21] } 30... Ne5 { [%eval 5.46] [%clk 0:10:05] } 31. Nxe5 { [%eval 5.78] [%clk 0:23:16] } 31... Bxe5 { [%eval 5.49] [%clk 0:10:29] } 32. Bxe5 { [%eval 5.53] [%clk 0:22:49] } 32... Qxe5 { [%eval 5.67] [%clk 0:10:55] } 33. c5 { [%eval 5.6] [%clk 0:22:58] } 33... Rfd8 { [%eval 6.53] [%clk 0:08:03] } 34. a4 { [%eval 6.37] [%clk 0:20:49] } 34... Rbc8 { [%eval 6.6] [%clk 0:04:51] } 35. Qe3 { [%eval 6.71] [%clk 0:21:00] } 35... f5 { [%eval 7.69] [%clk 0:05:09] } 36. f4 { [%eval 5.73] [%clk 0:17:43] } 36... Qxe4 { [%eval 6.71] [%clk 0:05:14] } 37. Qxe4 { [%eval 6.68] [%clk 0:18:08] } 37... fxe4 { [%eval 6.86] [%clk 0:05:42] } 38. Ba6?! { [%eval 4.59] } { Inaccuracy. d7 was best. } { [%clk 0:18:27] } 38... Rc6 { [%eval 4.81] [%clk 0:04:52] } 39. Bb7 { [%eval 4.87] [%clk 0:18:52] } 39... Rdxd6 { [%eval 5.17] [%clk 0:05:19] } 40. Bxc6 { [%eval 5.13] [%clk 0:49:17] } 40... Rxc6 { [%eval 5.17] [%clk 0:35:46] } 41. Kf2 { [%eval 5.01] [%clk 0:49:43] } 41... Kf7 { [%eval 5.42] [%clk 0:31:57] } 42. Ke3 { [%eval 5.01] [%clk 0:49:11] } 42... Ke7 { [%eval 5.37] [%clk 0:30:53] } 43. Kxe4 { [%eval 5.35] [%clk 0:49:34] } 43... Rc8 { [%eval 7.08] [%clk 0:28:24] } 44. c6 { [%eval 6.85] [%clk 0:47:26] } 44... Kd6 { [%eval 5.63] [%clk 0:26:42] } 45. c7 { [%eval 7.38] [%clk 0:47:51] } 45... h6 { [%eval 8.14] [%clk 0:27:02] } 46. g4 { [%eval 7.53] [%clk 0:46:36] } 46... g5 { [%eval 8.59] [%clk 0:27:13] } 47. f5 { [%eval 8.57] [%clk 0:47:00] } 47... exf5+ { [%eval 9.23] [%clk 0:26:19] } 48. Kxf5 { [%eval 9.0] [%clk 0:47:17] } 48... Kd7 { [%eval 9.5] [%clk 0:25:05] } 49. Kg6 { [%eval 9.55] [%clk 0:47:43] } 49... Rg8+ { [%eval 9.67] [%clk 0:25:14] } 50. Kh7 { [%eval 9.91] [%clk 0:48:07] } 50... Rc8 { [%eval 9.79] [%clk 0:25:38] } 51. Kxh6 { [%eval 9.62] [%clk 0:48:33] } 51... Rh8+ { [%eval 9.73] [%clk 0:26:03] } 52. Kxg5 { [%eval 10.01] [%clk 0:48:57] } 52... Kc8 { [%eval 10.33] [%clk 0:26:28] } 53. h4 { [%eval 11.28] [%clk 0:49:23] } 53... Rg8+ { [%eval 11.2] [%clk 0:26:22] } 54. Kf4 { [%eval 10.15] [%clk 0:49:51] } 54... Rf8+ { [%eval 11.8] [%clk 0:26:46] } 55. Kg3 { [%eval 11.75] [%clk 0:50:16] } 55... Rf6 { [%eval 11.99] [%clk 0:27:06] } 56. g5 { [%eval 12.59] [%clk 0:50:40] } 56... Rb6 { [%eval 15.15] [%clk 0:27:33] } 57. h5 { [%eval 15.23] [%clk 0:51:00] } 57... Rb3+ { [%eval 16.45] [%clk 0:27:59] } 58. Kg4 { [%eval 17.11] [%clk 0:51:23] } 58... Rb4+ { [%eval 15.94] [%clk 0:28:28] } 59. Kf5 { [%eval 20.91] [%clk 0:51:47] } 59... Rxa4?! { [%eval #23] } { Checkmate is now unavoidable. Rd4 was best. } { [%clk 0:28:56] } 60. g6 { [%eval #13] [%clk 0:52:12] } 60... Rh4 { [%eval #7] [%clk 0:29:16] } 61. g7 { [%eval #6] [%clk 0:52:26] } 61... Rxh5+ { [%eval #6] [%clk 0:29:42] } 62. Kg6 { [%eval #5] [%clk 0:52:52] } 1-0