Event: 2024 North American Youth Championship - OPEN
Site: Dulles, Virginia, United States
Date: 2024-12-19
White: Diao, Matthew Guo
WhiteElo: 2173
Black: Sun, Ryan
BlackTitle: FM
BlackElo: 2286
Result: 1-0
ECO: D41
Opening: Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation
Variant: Standard
TimeControl: G/90; +30

1. d4 { [%eval 0.17] [%clk 1:26:11] } 1... Nf6 { [%eval 0.19] [%clk 1:30:51] } 2. c4 { [%eval 0.17] [%clk 1:26:27] } 2... e6 { [%eval 0.11] [%clk 1:31:15] } 3. Nf3 { [%eval 0.12] [%clk 1:26:48] } 3... d5 { [%eval 0.17] [%clk 1:31:40] } 4. Nc3 { [%eval 0.1] [%clk 1:27:05] } 4... c5 { [%eval 0.11] [%clk 1:32:04] } 5. cxd5 { [%eval 0.09] [%clk 1:27:17] } 5... Nxd5 { [%eval 0.23] [%clk 1:32:28] } 6. e4 { [%eval 0.25] [%clk 1:27:42] } 6... Nxc3 { [%eval 0.27] [%clk 1:32:52] } 7. bxc3 { [%eval 0.21] [%clk 1:28:09] } 7... cxd4 { [%eval 0.22] [%clk 1:33:16] } 8. cxd4 { [%eval 0.34] [%clk 1:28:35] } 8... Bb4+ { [%eval 0.37] [%clk 1:33:41] } 9. Bd2 { [%eval 0.37] [%clk 1:29:01] } 9... Bxd2+ { [%eval 0.4] [%clk 1:34:05] } 10. Qxd2 { [%eval 0.45] [%clk 1:29:28] } 10... O-O { [%eval 0.41] [%clk 1:34:28] } 11. Bc4 { [%eval 0.34] [%clk 1:29:49] } 11... Nd7 { [%eval 0.32] [%clk 1:34:52] } 12. O-O { [%eval 0.3] [%clk 1:30:14] } 12... b6 { [%eval 0.28] [%clk 1:35:19] } 13. d5 { [%eval 0.27] [%clk 1:30:31] } 13... Nc5 { [%eval 0.3] [%clk 1:35:44] } 14. Rfe1 { [%eval 0.27] [%clk 1:30:52] } 14... exd5 { [%eval 0.27] [%clk 1:33:30] } 15. exd5 { [%eval 0.28] [%clk 1:31:01] } 15... Qd6 { [%eval 0.28] [%clk 1:33:55] } 16. Qd4 { [%eval 0.23] [%clk 1:30:47] } 16... Ba6 { [%eval 0.25] [%clk 1:33:00] } 17. Ne5 { [%eval 0.1] [%clk 1:14:18] } 17... Rfe8 { [%eval 0.13] [%clk 1:13:30] } 18. Rac1 { [%eval 0.16] [%clk 1:02:19] } 18... Ne6 { [%eval 0.26] [%clk 0:45:10] } 19. Nxf7 { [%eval 0.27] [%clk 0:34:21] } 19... Nxd4 { [%eval 0.2] [%clk 0:43:11] } 20. Nxd6 { [%eval 0.18] [%clk 0:34:43] } 20... Rxe1+ { [%eval 0.14] [%clk 0:36:58] } 21. Rxe1 { [%eval 0.19] [%clk 0:35:10] } 21... Bxc4 { [%eval 0.2] [%clk 0:30:40] } 22. Nxc4 { [%eval 0.2] [%clk 0:35:30] } 22... Rc8 { [%eval 0.24] [%clk 0:30:12] } 23. Ne3 { [%eval 0.26] [%clk 0:29:02] } 23... Kf7 { [%eval 0.56] [%clk 0:30:36] } 24. Kf1 { [%eval 0.44] [%clk 0:29:05] } 24... Nc2 { [%eval 0.27] [%clk 0:26:18] } 25. Re2 { [%eval 0.07] [%clk 0:28:21] } 25... Nxe3+ { [%eval 0.03] [%clk 0:26:44] } 26. fxe3 { [%eval 0.09] [%clk 0:22:03] } 26... Rc1+ { [%eval 0.1] [%clk 0:27:03] } 27. Kf2 { [%eval 0.27] [%clk 0:22:20] } 27... Ke7?! { [%eval 1.36] } { Inaccuracy. Kf6 was best. } { [%clk 0:27:27] } 28. e4 { [%eval 1.23] [%clk 0:20:50] } 28... Kd6 { [%eval 1.19] [%clk 0:27:53] } 29. Ke3?! { [%eval 0.4] } { Inaccuracy. Rd2 was best. } { [%clk 0:19:56] } 29... Ke5 { [%eval 0.16] [%clk 0:26:28] } 30. Kd3 { [%eval 0.23] [%clk 0:18:21] } 30... b5 { [%eval 0.4] [%clk 0:25:17] } 31. Rc2 { [%eval 0.27] [%clk 0:14:37] } 31... Rd1+ { [%eval 0.36] [%clk 0:24:20] } 32. Rd2 { [%eval 0.09] [%clk 0:14:57] } 32... Rc1 { [%eval 0.11] [%clk 0:24:16] } 33. Rf2 { [%eval 0.22] [%clk 0:07:28] } 33... Rd1+ { [%eval 0.28] [%clk 0:21:36] } 34. Kc2 { [%eval 0.49] [%clk 0:06:54] } 34... Re1? { [%eval 2.13] } { Mistake. Ra1 was best. } { [%clk 0:16:11] } 35. Rd2 { [%eval 2.07] [%clk 0:07:18] } 35... Kd6 { [%eval 1.98] [%clk 0:16:37] } 36. Kd3 { [%eval 1.78] [%clk 0:06:32] } 36... Rc1? { [%eval 3.31] } { Mistake. a5 was best. } { [%clk 0:15:12] } 37. Rc2 { [%eval 3.61] [%clk 0:06:23] } 37... Rd1+ { [%eval 4.09] [%clk 0:14:11] } 38. Ke2 { [%eval 3.92] [%clk 0:06:13] } 38... Ra1 { [%eval 3.92] [%clk 0:13:49] } 39. Kf3?! { [%eval 3.05] } { Inaccuracy. Rc6+ was best. } { [%clk 0:04:57] } 39... Rf1+ { [%eval 3.37] [%clk 0:12:55] } 40. Ke3 { [%eval 3.43] [%clk 0:05:05] } 40... Re1+ { [%eval 3.46] [%clk 0:10:39] } 41. Kd3 { [%eval 3.36] [%clk 0:05:04] } 41... Rd1+ { [%eval 3.3] [%clk 0:10:27] } 42. Ke2 { [%eval 3.85] [%clk 0:04:38] } 42... Ra1 { [%eval 3.03] [%clk 0:10:47] } 43. Rc6+ { [%eval 3.92] [%clk 0:03:58] } 43... Ke5 { [%eval 3.77] [%clk 0:11:12] } 44. Ra6 { [%eval 3.7] [%clk 0:04:17] } 44... Rg1?! { [%eval 5.04] } { Inaccuracy. b4 was best. } { [%clk 0:06:03] } 45. Kf2 { [%eval 4.23] [%clk 0:03:44] } 45... Ra1 { [%eval 4.07] [%clk 0:06:27] } 46. Rxa7?? { [%eval 1.42] } { Blunder. Ke3 was best. } { [%clk 0:02:49] } 46... Kxe4 { [%eval 1.4] [%clk 0:06:55] } 47. d6 { [%eval 1.47] [%clk 0:03:01] } 47... Rd1? { [%eval 3.21] } { Mistake. Ke5 was best. } { [%clk 0:07:16] } 48. Re7+ { [%eval 3.11] [%clk 0:02:50] } 48... Kf5 { [%eval 3.28] [%clk 0:07:28] } 49. Rxg7 { [%eval 3.13] [%clk 0:02:46] } 49... Rxd6 { [%eval 2.93] [%clk 0:07:53] } 50. Rxh7 { [%eval 2.98] [%clk 0:03:02] } 50... Rd2+?! { [%eval 4.49] } { Inaccuracy. Ra6 was best. } { [%clk 0:08:21] } 51. Kg3 { [%eval 4.45] [%clk 0:03:21] } 51... Rxa2 { [%eval 4.81] [%clk 0:07:19] } 52. Rh5+ { [%eval 5.51] [%clk 0:03:46] } 52... Kg6 { [%eval 5.51] [%clk 0:07:45] } 53. Rxb5 { [%eval 5.51] [%clk 0:04:12] } 53... Ra3+ { [%eval 5.51] [%clk 0:08:10] } 54. Kh4 { [%eval 4.96] [%clk 0:04:29] } 54... Ra2 { [%eval 5.67] [%clk 0:08:36] } 55. Kh3 { [%eval 5.46] [%clk 0:04:24] } 55... Ra3+ { [%eval 5.46] [%clk 0:09:02] } 56. g3 { [%eval 5.45] [%clk 0:04:51] } 56... Ra2 { [%eval 5.38] [%clk 0:07:32] } 57. g4 { [%eval 6.22] [%clk 0:05:13] } 57... Ra8 { [%eval 6.73] [%clk 0:07:52] } 58. Kh4 { [%eval 6.73] [%clk 0:04:16] } 58... Ra6 { [%eval 6.7] [%clk 0:07:43] } 59. Rb4 { [%eval 5.93] [%clk 0:04:11] } 59... Ra8 { [%eval 7.09] [%clk 0:06:42] } 60. Rb6+ { [%eval 7.07] [%clk 0:04:34] } 60... Kg7 { [%eval 7.01] [%clk 0:07:11] } 61. g5 { [%eval 6.98] [%clk 0:04:33] } 61... Rh8+ { [%eval 6.89] [%clk 0:06:54] } 62. Kg3 { [%eval 7.36] [%clk 0:04:58] } 62... Ra8 { [%eval 7.27] [%clk 0:07:20] } 63. Kg4 { [%eval 7.09] [%clk 0:05:01] } 63... Ra7 { [%eval 7.19] [%clk 0:05:42] } 64. h4 { [%eval 7.07] [%clk 0:05:22] } 64... Rc7 { [%eval 8.6] [%clk 0:05:58] } 65. Kh5 { [%eval 8.61] [%clk 0:05:36] } 65... Ra7 { [%eval 7.67] [%clk 0:06:15] } 66. Rb5 { [%eval 7.35] [%clk 0:06:00] } 66... Ra4 { [%eval 8.73] [%clk 0:06:20] } 67. Rb7+ { [%eval 9.88] [%clk 0:06:22] } 67... Kf8 { [%eval 9.87] [%clk 0:06:44] } 68. g6 { [%eval 9.51] [%clk 0:06:40] } 68... Kg8 { [%eval 8.93] [%clk 0:06:48] } 69. Kg5 { [%eval 8.88] [%clk 0:07:02] } 69... Ra5+ { [%eval #17] [%clk 0:07:13] } 70. Kh6 { [%eval #16] [%clk 0:07:26] } 70... Ra8 { [%eval #19] [%clk 0:07:39] } 71. h5 { [%eval #20] [%clk 0:07:40] } 71... Rc8 { [%eval 62.1] [%clk 0:06:54] } 72. Rb5 { [%eval 26.74] [%clk 0:07:19] } 72... Ra8?! { [%eval #13] } { Checkmate is now unavoidable. Kf8 was best. } { [%clk 0:07:02] } 73. Kg5 { [%eval #14] [%clk 0:07:44] } 73... Rc8 { [%eval #10] [%clk 0:06:56] } 74. h6 { [%eval #9] [%clk 0:07:57] } 74... Ra8 { [%clk 0:07:23] } 75. h7+ { [%clk 0:07:34] } 75... Kg7 { [%clk 0:07:42] } 76. Rb7+ { [%clk 0:07:58] } 76... Kh8 { [%clk 0:08:07] } 77. Kh6 { [%clk 0:08:24] } 1-0