Event: 2021 US Chess Championship
Site: Saint Louis, United States
Date: 2021-10-11
White: Xiong, Jeffery
WhiteElo: 2700
Black: Shankland, Sam
BlackElo: 2714
Result: 1-0
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:30:53] } 1... c5 { [%eval 0.13] [%clk 1:30:50] } 2. c3 { [%eval -0.08] [%clk 1:30:37] } 2... d5 { [%eval 0.04] [%clk 1:27:54] } 3. d4 { [%eval -0.12] [%clk 1:30:52] } 3... e6 { [%eval 0.13] [%clk 1:27:37] } 4. Bf4 { [%eval 0.0] [%clk 1:29:58] } 4... Bd6 { [%eval 0.1] [%clk 1:26:03] } 5. e3 { [%eval 0.0] [%clk 1:29:14] } 5... Nc6 { [%eval 0.17] [%clk 1:21:39] } 6. Bg3 { [%eval 0.0] [%clk 1:28:58] } 6... Nge7 { [%eval 0.25] [%clk 1:20:31] } 7. Nbd2 { [%eval 0.17] [%clk 1:28:32] } 7... cxd4 { [%eval 0.13] [%clk 1:17:28] } 8. exd4 { [%eval 0.14] [%clk 1:27:50] } 8... O-O { [%eval 0.03] [%clk 1:13:11] } 9. Bd3 { [%eval 0.28] [%clk 1:27:46] } 9... Ng6?! { [%eval 0.79] } { Inaccuracy. f6 was best. } { [%clk 1:10:14] } 10. Qc2 { [%eval 0.95] [%clk 1:23:58] } 10... f5 { [%eval 1.04] [%clk 1:06:52] } 11. Bxd6 { [%eval 1.13] [%clk 1:22:04] } 11... Qxd6 { [%eval 0.94] [%clk 1:07:18] } 12. O-O { [%eval 1.16] [%clk 1:21:57] } 12... Bd7 { [%eval 1.02] [%clk 1:04:27] } 13. Rfe1 { [%eval 1.02] [%clk 1:21:36] } 13... Rae8 { [%eval 1.02] [%clk 1:01:31] } 14. Bb5 { [%eval 0.65] [%clk 1:15:01] } 14... Nb8?! { [%eval 1.42] } { Inaccuracy. Nb4 was best. } { [%clk 0:58:12] } 15. Bf1 { [%eval 1.61] [%clk 1:12:15] } 15... Nc6 { [%eval 1.45] [%clk 0:58:16] } 16. Bb5?! { [%eval 0.8] } { Inaccuracy. c4 was best. } { [%clk 1:02:23] } 16... Nb8?! { [%eval 1.4] } { Inaccuracy. Nb4 was best. } { [%clk 0:58:15] } 17. a4 { [%eval 1.45] [%clk 1:02:06] } 17... a6 { [%eval 1.72] [%clk 0:55:50] } 18. Bf1 { [%eval 1.7] [%clk 1:02:19] } 18... Nc6 { [%eval 2.12] [%clk 0:55:56] } 19. b4 { [%eval 2.35] [%clk 1:02:06] } 19... Nd8 { [%eval 2.71] [%clk 0:46:34] } 20. b5 { [%eval 2.78] [%clk 0:56:52] } 20... axb5 { [%eval 2.31] [%clk 0:46:02] } 21. axb5 { [%eval 2.46] [%clk 0:57:18] } 21... Nf7 { [%eval 2.67] [%clk 0:46:07] } 22. c4 { [%eval 2.39] [%clk 0:56:36] } 22... e5?! { [%eval 3.3] } { Inaccuracy. dxc4 was best. } { [%clk 0:42:44] } 23. c5 { [%eval 3.22] [%clk 0:54:11] } 23... Qf6 { [%eval 3.32] [%clk 0:42:56] } 24. dxe5 { [%eval 3.51] [%clk 0:54:10] } 24... Nfxe5 { [%eval 3.08] [%clk 0:41:26] } 25. Qa4 { [%eval 2.85] [%clk 0:38:57] } 25... Nxf3+?! { [%eval 3.8] } { Inaccuracy. f4 was best. } { [%clk 0:38:56] } 26. Nxf3 { [%eval 3.59] [%clk 0:39:24] } 26... Re4 { [%eval 3.46] [%clk 0:39:14] } 27. Qa7 { [%eval 3.43] [%clk 0:37:59] } 27... Bc8 { [%eval 3.23] [%clk 0:38:11] } 28. Red1 { [%eval 3.12] [%clk 0:33:57] } 28... Nf4 { [%eval 3.12] [%clk 0:35:51] } 29. Rac1 { [%eval 3.65] [%clk 0:27:12] } 29... Re7 { [%eval 3.72] [%clk 0:31:04] } 30. Qb8 { [%eval 3.46] [%clk 0:23:46] } 30... g5 { [%eval 3.0] [%clk 0:28:31] } 31. c6 { [%eval 3.34] [%clk 0:14:05] } 31... bxc6 { [%eval 3.29] [%clk 0:26:51] } 32. Rxc6 { [%eval 3.31] [%clk 0:14:32] } 32... Bd7 { [%eval 3.19] [%clk 0:24:51] } 33. Rxf6 { [%eval 3.4] [%clk 0:14:58] } 33... Rxb8 { [%eval 3.41] [%clk 0:25:18] } 34. Nd4 { [%eval 3.41] [%clk 0:13:40] } 34... Re5?! { [%eval 4.28] } { Inaccuracy. g4 was best. } { [%clk 0:23:07] } 35. Rd6 { [%eval 4.46] [%clk 0:11:44] } 35... Rb7?! { [%eval 5.9] } { Inaccuracy. Be8 was best. } { [%clk 0:21:43] } 36. b6 { [%eval 5.73] [%clk 0:08:44] } 36... Re7 { [%eval 5.84] [%clk 0:21:14] } 37. g3 { [%eval 6.09] [%clk 0:08:45] } 37... Ng6 { [%eval 5.84] [%clk 0:21:21] } 38. Bg2 { [%eval 5.96] [%clk 0:08:40] } 1-0