Event: 2023 U.S. Junior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-19
White: Guo, Arthur
WhiteElo: 2483
Black: Stearman, Josiah
BlackElo: 2444
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: French Variation, Normal
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:52] } 1... c5 { [%eval 0.32] [%clk 1:30:52] } 2. Nf3 { [%eval 0.0] [%clk 1:31:00] } 2... e6 { [%eval 0.34] [%clk 1:31:15] } 3. d4 { [%eval 0.42] [%clk 1:31:00] } 3... cxd4 { [%eval 0.37] [%clk 1:31:40] } 4. Nxd4 { [%eval 0.4] [%clk 1:31:27] } 4... Nf6 { [%eval 0.4] [%clk 1:32:04] } 5. Bd3 { [%eval 0.19] [%clk 1:31:23] } 5... Nc6 { [%eval 0.29] [%clk 1:31:44] } 6. Nxc6 { [%eval 0.17] [%clk 1:31:42] } 6... bxc6 { [%eval 0.05] [%clk 1:31:39] } 7. Bf4 { [%eval 0.2] [%clk 1:31:51] } 7... d5 { [%eval 0.36] [%clk 1:30:48] } 8. Nd2 { [%eval 0.25] [%clk 1:32:06] } 8... Qb6 { [%eval 0.51] [%clk 1:29:25] } 9. O-O { [%eval 0.58] [%clk 1:31:07] } 9... Ba6 { [%eval 0.6] [%clk 1:28:10] } 10. exd5 { [%eval 0.42] [%clk 1:31:17] } 10... Bxd3 { [%eval 0.71] [%clk 1:01:31] } 11. cxd3 { [%eval 0.61] [%clk 1:31:24] } 11... cxd5 { [%eval 0.85] [%clk 1:01:16] } 12. Qa4+ { [%eval 0.66] [%clk 1:17:03] } 12... Nd7 { [%eval 0.73] [%clk 1:01:42] } 13. Rac1 { [%eval 0.64] [%clk 1:10:10] } 13... Bd6 { [%eval 0.61] [%clk 1:01:39] } 14. Bxd6 { [%eval 0.48] [%clk 1:02:38] } 14... Qxd6 { [%eval 0.45] [%clk 1:02:00] } 15. Rc6 { [%eval 0.42] [%clk 1:02:04] } 15... Qb8 { [%eval 0.6] [%clk 1:02:22] } 16. Qa3 { [%eval 0.1] [%clk 0:43:27] } 16... a5 { [%eval 0.1] [%clk 0:57:21] } 17. Qc3 { [%eval 0.03] [%clk 0:40:29] } 17... O-O { [%eval 0.0] [%clk 0:57:06] } 18. Rc1 { [%eval -0.08] [%clk 0:37:40] } 18... Ne5 { [%eval -0.11] [%clk 0:48:19] } 19. Rc5 { [%eval -0.06] [%clk 0:37:16] } 19... a4 { [%eval 0.16] [%clk 0:47:08] } 20. Qd4 { [%eval -0.04] [%clk 0:32:33] } 20... Ng6 { [%eval -0.11] [%clk 0:45:38] } 21. Nf3 { [%eval -0.12] [%clk 0:23:07] } 21... Qf4 { [%eval -0.11] [%clk 0:42:40] } 22. Qc3 { [%eval -0.31] [%clk 0:19:13] } 22... h6 { [%eval -0.1] [%clk 0:42:00] } 23. d4 { [%eval -0.12] [%clk 0:18:43] } 23... Ne7 { [%eval 0.13] [%clk 0:40:35] } 24. g3 { [%eval 0.0] [%clk 0:18:38] } 24... Qe4 { [%eval 0.03] [%clk 0:38:17] } 25. Re1 { [%eval 0.06] [%clk 0:17:46] } 25... Qf5 { [%eval 0.0] [%clk 0:38:28] } 26. Ne5 { [%eval 0.1] [%clk 0:17:33] } 26... Rfc8 { [%eval 0.03] [%clk 0:37:05] } 27. Qa3 { [%eval 0.12] [%clk 0:14:58] } 27... Rxc5 { [%eval 0.62] [%clk 0:33:30] } 28. dxc5 { [%eval 0.44] [%clk 0:15:09] } 28... Qc2 { [%eval 0.71] [%clk 0:32:09] } 29. b4 { [%eval 0.67] [%clk 0:12:59] } 29... Rb8 { [%eval 0.98] [%clk 0:32:29] } 30. c6 { [%eval 1.0] [%clk 0:09:45] } 30... Nf5? { [%eval 2.38] } { Mistake. Nc8 was best. } { [%clk 0:27:05] } 31. Qc1 { [%eval 2.69] [%clk 0:04:13] } 31... Nd4? { [%eval 4.96] } { Mistake. Qxc1 was best. } { [%clk 0:27:15] } 32. Qf4? { [%eval 2.73] } { Mistake. Qxc2 was best. } { [%clk 0:03:40] } 32... Ne2+? { [%eval 5.16] } { Mistake. Nf5 was best. } { [%clk 0:17:37] } 33. Rxe2 { [%eval 5.06] [%clk 0:04:08] } 33... Qxe2 { [%eval 5.1] [%clk 0:18:04] } 34. c7?? { [%eval 0.08] } { Blunder. Qxf7+ was best. } { [%clk 0:03:02] } 34... Rf8 { [%eval 0.11] [%clk 0:15:56] } 35. Nd7 { [%eval 0.0] [%clk 0:02:29] } 35... g5?? { [%eval 1.76] } { Blunder. Rc8 was best. } { [%clk 0:09:31] } 36. Qc1?? { [%eval 0.0] } { Blunder. Nxf8 was best. } { [%clk 0:01:10] } 36... Rc8 { [%eval 0.0] [%clk 0:09:23] } 37. Nb6 { [%eval 0.0] [%clk 0:01:12] } 37... Rxc7 { [%eval 0.0] [%clk 0:09:46] } 38. Qxc7 { [%eval 0.0] [%clk 0:01:39] } 38... Qe1+ { [%eval 0.0] [%clk 0:10:08] } 39. Kg2 { [%eval 0.0] [%clk 0:02:08] } 39... Qe4+ { [%eval 0.0] [%clk 0:10:29] } 40. Kg1 { [%eval 0.0] [%clk 0:02:07] } 40... Qe1+ { [%eval 0.0] [%clk 0:10:30] } 41. Kg2 { [%eval 0.0] [%clk 0:00:52] } 41... Qe4+ { [%eval 0.0] [%clk 0:10:30] } 42. Kg1 { [%eval 0.0] [%clk 0:25:35] } 42... Qe1+ { [%eval 0.0] } 1/2-1/2