Event: 2021 US Chess Championship
Site: Saint Louis, United States
Date: 2021-10-09
White: Robson, Ray
WhiteElo: 2669
Black: Xiong, Jeffery
BlackElo: 2700
Result: 1-0
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard

1. e4 { [%eval 0.14] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:48] } 2. Nf3 { [%eval 0.0] [%clk 1:31:06] } 2... Nc6?! { [%eval 0.54] } { Inaccuracy. d6 was best. } { [%clk 1:30:59] } 3. Bb5?! { [%eval 0.0] } { Inaccuracy. d4 was best. } { [%clk 1:30:50] } 3... e5?! { [%eval 0.59] } { Inaccuracy. e6 was best. } { [%clk 1:30:43] } 4. O-O { [%eval 0.54] [%clk 1:28:49] } 4... Bd6 { [%eval 0.73] [%clk 1:30:54] } 5. c3 { [%eval 0.5] [%clk 1:23:24] } 5... a6 { [%eval 0.61] [%clk 1:30:49] } 6. Ba4 { [%eval 0.53] [%clk 1:22:27] } 6... b5 { [%eval 0.63] [%clk 1:31:00] } 7. Bc2 { [%eval 0.75] [%clk 1:16:52] } 7... Nge7 { [%eval 0.32] [%clk 1:31:04] } 8. a4 { [%eval 0.7] [%clk 1:15:05] } 8... b4 { [%eval 0.45] [%clk 1:31:20] } 9. Re1 { [%eval 0.68] [%clk 1:12:30] } 9... Ng6 { [%eval 0.74] [%clk 1:08:45] } 10. d4 { [%eval 0.47] [%clk 1:07:54] } 10... bxc3 { [%eval 0.7] [%clk 1:08:24] } 11. dxe5 { [%eval 0.79] [%clk 1:03:35] } 11... cxb2 { [%eval 0.64] [%clk 1:07:54] } 12. Bxb2 { [%eval 0.84] [%clk 1:02:58] } 12... Bxe5 { [%eval 1.16] [%clk 0:58:54] } 13. Nxe5 { [%eval 1.12] [%clk 1:03:05] } 13... Ngxe5 { [%eval 1.1] [%clk 0:53:04] } 14. Bxe5 { [%eval 0.97] [%clk 0:37:02] } 14... Nxe5 { [%eval 1.2] [%clk 0:53:30] } 15. Qd5 { [%eval 0.99] [%clk 0:37:24] } 15... Nc6 { [%eval 0.91] [%clk 0:51:41] } 16. Qxc5 { [%eval 0.85] [%clk 0:37:39] } 16... Qe7 { [%eval 1.03] [%clk 0:51:06] } 17. Qxe7+ { [%eval 1.22] [%clk 0:33:54] } 17... Kxe7 { [%eval 1.18] [%clk 0:43:40] } 18. Nc3 { [%eval 1.2] [%clk 0:33:38] } 18... Nb4 { [%eval 1.19] [%clk 0:39:21] } 19. Nd5+ { [%eval 1.29] [%clk 0:32:49] } 19... Nxd5 { [%eval 1.1] [%clk 0:38:09] } 20. exd5+ { [%eval 1.16] [%clk 0:33:17] } 20... Kd8 { [%eval 1.32] [%clk 0:24:10] } 21. d6 { [%eval 1.42] [%clk 0:28:48] } 21... a5 { [%eval 1.33] [%clk 0:23:21] } 22. Bd3 { [%eval 1.41] [%clk 0:22:32] } 22... Rb8? { [%eval 2.69] } { Mistake. Ba6 was best. } { [%clk 0:19:41] } 23. Rab1 { [%eval 2.99] [%clk 0:20:15] } 23... Rb7 { [%eval 2.58] [%clk 0:09:57] } 24. Rec1 { [%eval 2.56] [%clk 0:17:53] } 24... Rb4?? { [%eval 6.05] } { Blunder. Rxb1 was best. } { [%clk 0:04:32] } 25. Rxb4 { [%eval 6.05] [%clk 0:16:52] } 25... axb4 { [%eval 6.17] [%clk 0:05:00] } 26. a5 { [%eval 5.76] [%clk 0:16:50] } 26... Bb7?! { [%eval 10.69] } { Inaccuracy. Re8 was best. } { [%clk 0:05:17] } 27. a6 { [%eval 10.77] [%clk 0:16:40] } 27... Ba8 { [%eval 11.23] [%clk 0:05:25] } 28. a7 { [%eval 11.23] [%clk 0:16:33] } 1-0