Event: 2023 U.S. Junior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-22
White: Guo, Arthur
WhiteElo: 2483
Black: Hong, Andrew
BlackElo: 2520
Result: 1-0
ECO: B51
Opening: Sicilian Defense: Moscow Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:52] } 1... c5 { [%eval 0.32] [%clk 1:30:48] } 2. Nf3 { [%eval 0.0] [%clk 1:31:07] } 2... d6 { [%eval 0.0] [%clk 1:31:05] } 3. Bb5+ { [%eval 0.0] [%clk 1:31:13] } 3... Nd7 { [%eval 0.24] [%clk 1:28:32] } 4. d4 { [%eval 0.15] [%clk 1:31:37] } 4... cxd4 { [%eval 0.19] [%clk 1:28:40] } 5. Qxd4 { [%eval 0.21] [%clk 1:31:53] } 5... a6 { [%eval 0.23] [%clk 1:28:26] } 6. Be2 { [%eval 0.11] [%clk 1:32:07] } 6... Ngf6 { [%eval 0.16] [%clk 1:28:32] } 7. O-O { [%eval 0.25] [%clk 1:32:01] } 7... g6 { [%eval 0.39] [%clk 1:26:48] } 8. Nc3 { [%eval 0.36] [%clk 1:32:16] } 8... Bg7 { [%eval 0.26] [%clk 1:26:43] } 9. Rd1 { [%eval -0.01] [%clk 1:32:34] } 9... O-O { [%eval 0.45] [%clk 1:26:29] } 10. e5 { [%eval 0.52] [%clk 1:32:59] } 10... dxe5 { [%eval 0.51] [%clk 1:09:09] } 11. Nxe5 { [%eval 0.44] [%clk 1:32:50] } 11... Qc7 { [%eval 0.59] [%clk 1:01:05] } 12. Nc4 { [%eval 0.55] [%clk 1:32:15] } 12... Re8?! { [%eval 1.16] } { Inaccuracy. b5 was best. } { [%clk 0:55:20] } 13. a4 { [%eval 1.01] [%clk 1:24:42] } 13... b6 { [%eval 1.12] [%clk 0:52:30] } 14. Qf4 { [%eval 1.04] [%clk 1:11:37] } 14... Qxf4 { [%eval 1.12] [%clk 0:39:38] } 15. Bxf4 { [%eval 0.94] [%clk 1:12:01] } 15... Bb7 { [%eval 1.01] [%clk 0:39:50] } 16. g4 { [%eval 0.9] [%clk 0:58:53] } 16... Bc6 { [%eval 1.21] [%clk 0:29:55] } 17. g5 { [%eval 1.28] [%clk 0:52:13] } 17... Nh5 { [%eval 1.18] [%clk 0:30:07] } 18. Be3 { [%eval 1.28] [%clk 0:51:53] } 18... Ne5?! { [%eval 1.98] } { Inaccuracy. Bxc3 was best. } { [%clk 0:24:59] } 19. Nxb6 { [%eval 1.99] [%clk 0:48:52] } 19... Rab8?! { [%eval 2.79] } { Inaccuracy. Ra7 was best. } { [%clk 0:22:36] } 20. Ncd5 { [%eval 2.71] [%clk 0:45:20] } 20... e6?! { [%eval 3.5] } { Inaccuracy. a5 was best. } { [%clk 0:14:02] } 21. Nc7 { [%eval 3.4] [%clk 0:38:56] } 21... Rf8 { [%eval 3.55] [%clk 0:14:13] } 22. a5 { [%eval 3.66] [%clk 0:35:25] } 22... Nf3+ { [%eval 3.86] [%clk 0:11:05] } 23. Bxf3 { [%eval 3.92] [%clk 0:35:22] } 23... Bxf3 { [%eval 4.09] [%clk 0:11:33] } 24. Nxa6 { [%eval 3.98] [%clk 0:32:06] } 24... Rb7 { [%eval 4.5] [%clk 0:09:18] } 25. Nc5 { [%eval 4.63] [%clk 0:30:23] } 25... Rc7 { [%eval 4.91] [%clk 0:08:17] } 26. Rd7 { [%eval 5.0] [%clk 0:24:24] } 26... Rc6 { [%eval 5.02] [%clk 0:05:19] } 27. Ra2 { [%eval 4.21] [%clk 0:24:02] } 27... Nf4 { [%eval 4.34] [%clk 0:03:05] } 28. Bxf4 { [%eval 4.27] [%clk 0:20:42] } 28... Rxc5 { [%eval 4.21] [%clk 0:03:33] } 29. c4 { [%eval 4.44] [%clk 0:20:54] } 29... Be5 { [%eval 5.12] [%clk 0:01:43] } 30. b4 { [%eval 4.77] [%clk 0:17:38] } 30... Rxc4 { [%eval 4.49] [%clk 0:01:09] } 31. Nxc4 { [%eval 4.83] [%clk 0:18:06] } 31... Bxf4 { [%eval 4.57] [%clk 0:01:31] } 32. Nb6 { [%eval 4.63] [%clk 0:17:40] } 32... Bc6 { [%eval 5.37] [%clk 0:01:20] } 33. a6 { [%eval 4.78] [%clk 0:15:22] } 33... Rb8 { [%eval 5.57] [%clk 0:01:04] } 34. b5 { [%eval 4.94] [%clk 0:13:52] } 34... Bf3 { [%eval 5.64] [%clk 0:00:35] } 35. Rd3 { [%eval 6.05] [%clk 0:14:06] } 35... Be4 { [%eval 6.0] [%clk 0:00:35] } 36. Rd4 { [%eval 5.98] [%clk 0:14:23] } 36... Rxb6 { [%eval 6.22] [%clk 0:00:45] } 37. Rxe4 { [%eval 6.16] [%clk 0:14:47] } 37... Bb8 { [%eval 6.15] [%clk 0:01:09] } 38. Rb4 { [%eval 6.22] [%clk 0:14:19] } 38... Ba7 { [%eval 6.08] [%clk 0:01:25] } 39. Rd2 { [%eval 6.06] [%clk 0:14:37] } 39... Rb8 { [%eval 6.15] [%clk 0:01:15] } 40. b6 { [%eval 5.6] [%clk 0:14:49] } 40... Bxb6 { [%eval 6.68] [%clk 0:01:02] } 41. Rdb2 { [%eval 6.41] [%clk 0:15:13] } 41... Rc8 { [%eval 6.73] [%clk 0:01:14] } 42. Rxb6 { [%eval 6.74] [%clk 0:15:37] } 42... Rc1+ { [%eval 6.63] [%clk 0:01:39] } 43. Kg2 { [%eval 6.86] [%clk 0:16:06] } 43... Ra1 { [%eval 6.77] [%clk 0:02:08] } 44. Rb8+ { [%eval 5.9] [%clk 0:16:16] } 44... Kg7 { [%eval 6.16] [%clk 0:02:37] } 45. Ra8 { [%eval 6.54] [%clk 0:16:33] } 45... Ra5 { [%eval 7.35] [%clk 0:03:01] } 46. h4 { [%eval 7.33] [%clk 0:16:51] } 46... h6 { [%eval 7.03] [%clk 0:03:23] } 47. gxh6+ { [%eval 7.52] [%clk 0:17:14] } 47... Kxh6 { [%eval 7.23] [%clk 0:03:51] } 48. a7 { [%eval 6.52] [%clk 0:17:39] } 48... Kg7 { [%eval 7.16] [%clk 0:04:14] } 49. Rb7 { [%eval 7.29] [%clk 0:18:03] } 49... g5 { [%eval 6.74] [%clk 0:04:23] } 50. Rab8 { [%eval 7.18] [%clk 0:18:26] } 50... gxh4 { [%eval 8.79] [%clk 0:04:44] } 51. a8=Q { [%eval 10.68] [%clk 0:18:51] } 51... h3+ { [%eval 15.92] [%clk 0:05:07] } 52. Kxh3 { [%eval 15.87] [%clk 0:19:14] } 52... Rh5+?! { [%eval #6] } { Checkmate is now unavoidable. Rxa8 was best. } { [%clk 0:05:23] } 53. Kg4 { [%eval #5] [%clk 0:19:40] } 53... Rf5 { [%eval #4] [%clk 0:05:49] } 54. Rg8+ { [%eval #4] [%clk 0:19:59] } 1-0