Event: 2023 U.S. Junior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-24
White: Guo, Arthur
WhiteElo: 2483
Black: Ghazarian, Kirk
BlackElo: 2469
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Four Knights Variation, Exchange Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:50] } 1... c5 { [%eval 0.32] [%clk 1:30:24] } 2. Nf3 { [%eval 0.0] [%clk 1:31:03] } 2... e6 { [%eval 0.34] [%clk 1:29:43] } 3. d4 { [%eval 0.42] [%clk 1:31:25] } 3... cxd4 { [%eval 0.37] [%clk 1:30:09] } 4. Nxd4 { [%eval 0.4] [%clk 1:31:48] } 4... Nc6 { [%eval 0.5] [%clk 1:30:36] } 5. Nc3 { [%eval 0.33] [%clk 1:32:01] } 5... Nf6 { [%eval 0.43] [%clk 1:30:00] } 6. Nxc6 { [%eval 0.35] [%clk 1:32:22] } 6... bxc6 { [%eval 0.29] [%clk 1:30:27] } 7. e5 { [%eval 0.32] [%clk 1:32:42] } 7... Nd5 { [%eval 0.32] [%clk 1:30:55] } 8. Ne4 { [%eval 0.42] [%clk 1:32:53] } 8... Bb7 { [%eval 0.5] [%clk 1:31:21] } 9. c4 { [%eval 0.27] [%clk 1:33:08] } 9... Nb4 { [%eval 0.27] [%clk 1:28:43] } 10. c5 { [%eval 0.33] [%clk 1:33:21] } 10... Qc7 { [%eval 0.76] [%clk 1:26:08] } 11. Qb3 { [%eval 0.68] [%clk 1:21:40] } 11... a5 { [%eval 0.73] [%clk 1:26:04] } 12. Nd6+ { [%eval 0.28] [%clk 1:17:44] } 12... Bxd6 { [%eval 0.44] [%clk 1:26:28] } 13. exd6 { [%eval 0.29] [%clk 1:06:52] } 13... Qc8 { [%eval 0.71] [%clk 1:25:53] } 14. a3 { [%eval 0.38] [%clk 0:57:06] } 14... Nd5 { [%eval 0.42] [%clk 1:26:18] } 15. Qg3 { [%eval 0.43] [%clk 0:57:26] } 15... Kf8 { [%eval 0.46] [%clk 1:26:08] } 16. Bc4 { [%eval 0.27] [%clk 0:49:50] } 16... Ba6 { [%eval 0.47] [%clk 1:23:52] } 17. Bxd5?! { [%eval -0.54] } { Inaccuracy. b3 was best. } { [%clk 0:49:58] } 17... cxd5 { [%eval -0.6] [%clk 1:17:55] } 18. Qc3 { [%eval -1.07] [%clk 0:50:12] } 18... Qd8?! { [%eval 0.0] } { Inaccuracy. a4 was best. } { [%clk 0:57:21] } 19. Be3 { [%eval 0.12] [%clk 0:42:48] } 19... Rc8?! { [%eval 0.83] } { Inaccuracy. Qb8 was best. } { [%clk 0:48:22] } 20. O-O-O { [%eval 0.86] [%clk 0:40:27] } 20... f6 { [%eval 0.85] [%clk 0:47:57] } 21. f4 { [%eval 0.61] [%clk 0:39:17] } 21... Kf7 { [%eval 0.62] [%clk 0:47:52] } 22. g4?! { [%eval -0.22] } { Inaccuracy. Rhe1 was best. } { [%clk 0:35:54] } 22... Be2 { [%eval -0.17] [%clk 0:44:52] } 23. Rd4?! { [%eval -0.82] } { Inaccuracy. Rdg1 was best. } { [%clk 0:26:48] } 23... Bxg4 { [%eval -0.85] [%clk 0:44:48] } 24. Ra4 { [%eval -0.96] [%clk 0:24:49] } 24... Ra8 { [%eval -1.01] [%clk 0:44:05] } 25. Kb1 { [%eval -1.12] [%clk 0:17:48] } 25... Qb8 { [%eval -0.93] [%clk 0:33:38] } 26. Rxa5 { [%eval -1.05] [%clk 0:17:02] } 26... Rxa5 { [%eval -1.01] [%clk 0:33:58] } 27. Qxa5 { [%eval -0.97] [%clk 0:17:30] } 27... Qb3 { [%eval -1.03] [%clk 0:34:15] } 28. Bd2?! { [%eval -1.63] } { Inaccuracy. Qc3 was best. } { [%clk 0:16:46] } 28... Rb8 { [%eval -1.63] [%clk 0:31:19] } 29. Qc3 { [%eval -1.34] [%clk 0:15:31] } 29... Qa4 { [%eval -1.33] [%clk 0:31:25] } 30. Ka1? { [%eval -2.89] } { Mistake. b4 was best. } { [%clk 0:12:50] } 30... d4 { [%eval -2.97] [%clk 0:29:51] } 31. Qc1 { [%eval -2.96] [%clk 0:07:46] } 31... Bf3 { [%eval -3.35] [%clk 0:28:47] } 32. Rg1 { [%eval -3.09] [%clk 0:08:11] } 32... Bd5?! { [%eval -1.96] } { Inaccuracy. Rb3 was best. } { [%clk 0:28:31] } 33. Rg3?! { [%eval -3.29] } { Inaccuracy. b4 was best. } { [%clk 0:08:02] } 33... Rb3 { [%eval -3.32] [%clk 0:28:27] } 34. Qe1 { [%eval -4.09] [%clk 0:05:28] } 34... Qc4 { [%eval -3.52] [%clk 0:20:03] } 35. Rxb3 { [%eval -3.32] [%clk 0:04:39] } 35... Qxb3 { [%eval -3.66] [%clk 0:20:31] } 36. Kb1 { [%eval -3.83] [%clk 0:05:06] } 36... Qa2+ { [%eval -3.75] [%clk 0:20:49] } 37. Kc1 { [%eval -4.15] [%clk 0:05:07] } 37... Qc4+ { [%eval -4.38] [%clk 0:16:59] } 38. Kb1 { [%eval -4.29] [%clk 0:05:34] } 38... Qd3+?! { [%eval -3.34] } { Inaccuracy. Qa2+ was best. } { [%clk 0:11:23] } 39. Ka1 { [%eval -3.07] [%clk 0:05:56] } 39... Qb3 { [%eval -3.88] [%clk 0:10:59] } 40. Kb1 { [%eval -4.18] [%clk 0:06:22] } 40... Qa2+ { [%eval -3.96] [%clk 0:09:18] } 41. Kc1 { [%eval -4.36] [%clk 0:04:18] } 41... Qc4+ { [%eval -3.9] [%clk 0:09:11] } 42. Kb1 { [%eval -3.77] [%clk 0:04:10] } 42... Qxc5 { [%eval -3.54] [%clk 0:09:35] } 43. Qe2 { [%eval -3.75] [%clk 0:29:47] } 43... g6?! { [%eval -2.86] } { Inaccuracy. Bb3 was best. } { [%clk 0:38:47] } 44. Bb4?! { [%eval -4.17] } { Inaccuracy. b4 was best. } { [%clk 0:28:58] } 44... Qc6 { [%eval -4.0] [%clk 0:39:13] } 45. h3 { [%eval -4.45] [%clk 0:22:49] } 45... Bb3 { [%eval -3.96] [%clk 0:37:05] } 46. h4 { [%eval -4.48] [%clk 0:21:21] } 46... Qh1+ { [%eval -3.91] [%clk 0:37:01] } 47. Be1 { [%eval -3.91] [%clk 0:19:51] } 47... Qd5 { [%eval -3.57] [%clk 0:36:35] } 48. Qd3 { [%eval -3.3] [%clk 0:18:52] } 48... e5 { [%eval -3.75] [%clk 0:36:04] } 49. fxe5 { [%eval -3.83] [%clk 0:18:03] } 49... fxe5 { [%eval -3.84] [%clk 0:36:26] } 50. Qf1+ { [%eval -4.36] [%clk 0:17:00] } 50... Ke6 { [%eval -4.39] [%clk 0:36:33] } 51. Qh3+ { [%eval -4.42] [%clk 0:14:17] } 51... Kxd6 { [%eval -4.44] [%clk 0:35:54] } 52. Bb4+ { [%eval -4.89] [%clk 0:14:43] } 52... Kc6 { [%eval -5.05] [%clk 0:35:53] } 53. Qf1 { [%eval -5.31] [%clk 0:14:59] } 53... Kb7 { [%eval -4.95] [%clk 0:35:49] } 54. Qe1 { [%eval -4.85] [%clk 0:12:44] } 54... d6 { [%eval -4.48] [%clk 0:33:52] } 55. Ba5 { [%eval -5.21] [%clk 0:12:10] } 55... Qc4 { [%eval -4.97] [%clk 0:32:53] } 56. Ka1 { [%eval -5.39] [%clk 0:10:20] } 56... Qd3 { [%eval -5.29] [%clk 0:32:22] } 57. Bb4 { [%eval -5.33] [%clk 0:05:24] } 57... Kc6 { [%eval -5.47] [%clk 0:31:34] } 58. Bd2 { [%eval -5.31] [%clk 0:04:54] } 58... e4 { [%eval -5.54] [%clk 0:31:26] } 59. Bc1 { [%eval -6.42] [%clk 0:05:01] } 59... Qc2 { [%eval -6.68] [%clk 0:30:28] } 60. Qh1 { [%eval -9.29] [%clk 0:05:05] } 60... Bd5 { [%eval -10.34] [%clk 0:29:31] } 61. Qf1 { [%eval -11.42] [%clk 0:05:28] } 61... Qc4?! { [%eval -6.22] } { Inaccuracy. Bc4 was best. } { [%clk 0:25:56] } 62. Qxc4+ { [%eval -6.1] [%clk 0:05:52] } 62... Bxc4 { [%eval -6.35] [%clk 0:26:23] } 63. b4 { [%eval -6.56] [%clk 0:06:12] } 63... e3 { [%eval -6.47] [%clk 0:26:32] } 64. Kb2 { [%eval -6.7] [%clk 0:06:31] } 64... Kd5 { [%eval -6.6] [%clk 0:26:49] } 65. a4 { [%eval -7.15] [%clk 0:06:46] } 65... Ke4 { [%eval -6.83] [%clk 0:27:12] } 66. b5?? { [%eval #-9] } { Checkmate is now unavoidable. Kc2 was best. } { [%clk 0:06:59] } 66... Kd3 { [%eval #-9] [%clk 0:27:26] } 67. b6 { [%eval #-10] [%clk 0:07:19] } 67... Ba6 { [%eval #-9] [%clk 0:27:53] } 68. b7 { [%eval #-9] [%clk 0:07:12] } 68... Bxb7 { [%eval #-8] [%clk 0:28:18] } 0-1