Event: Sinquefield Cup 2021
Site: Saint Louis, United States
Date: 2021-08-25
White: Xiong, Jeffery
WhiteElo: 2710
Black: Mamedyarov, Shakhriyar
BlackElo: 2782
Result: 1/2-1/2
ECO: D31
Opening: Queen's Gambit Declined: Janowski Variation
Variant: Standard

1. c4 { [%eval 0.2] [%clk 1:30:52] } 1... e6 { [%eval 0.2] [%clk 1:30:35] } 2. Nc3 { [%eval 0.05] [%clk 1:30:59] } 2... d5 { [%eval 0.12] [%clk 1:30:50] } 3. d4 { [%eval 0.16] [%clk 1:31:23] } 3... a6 { [%eval 0.41] [%clk 1:31:02] } 4. cxd5 { [%eval 0.29] [%clk 1:30:51] } 4... exd5 { [%eval 0.35] [%clk 1:31:02] } 5. Bf4 { [%eval 0.21] [%clk 1:30:25] } 5... Nf6 { [%eval 0.29] [%clk 1:28:51] } 6. e3 { [%eval 0.25] [%clk 1:30:13] } 6... c5 { [%eval 0.56] [%clk 1:26:45] } 7. dxc5 { [%eval 0.2] [%clk 1:22:23] } 7... Bxc5 { [%eval 0.21] [%clk 1:27:05] } 8. Nf3 { [%eval 0.31] [%clk 1:22:47] } 8... Nc6 { [%eval 0.25] [%clk 1:27:17] } 9. Be2 { [%eval 0.35] [%clk 1:23:03] } 9... O-O { [%eval 0.43] [%clk 1:23:59] } 10. O-O { [%eval 0.51] [%clk 1:23:27] } 10... Re8 { [%eval 0.45] [%clk 1:13:32] } 11. Rc1 { [%eval 0.51] [%clk 1:20:52] } 11... h6 { [%eval 0.62] [%clk 1:10:04] } 12. Qc2 { [%eval 0.18] [%clk 1:06:05] } 12... Ba7 { [%eval 0.36] [%clk 1:06:01] } 13. Rfd1 { [%eval 0.45] [%clk 1:05:53] } 13... Be6 { [%eval 0.31] [%clk 1:04:24] } 14. Ne5 { [%eval 0.24] [%clk 1:05:12] } 14... Rc8 { [%eval 0.53] [%clk 1:03:56] } 15. Bf3 { [%eval 0.31] [%clk 0:49:12] } 15... Qa5 { [%eval 0.58] [%clk 0:58:54] } 16. Qd3?! { [%eval -0.01] } { Inaccuracy. Nxc6 was best. } { [%clk 0:42:39] } 16... Ne7 { [%eval 0.08] [%clk 0:52:30] } 17. h3 { [%eval 0.0] [%clk 0:41:45] } 17... Red8 { [%eval 0.0] [%clk 0:50:57] } 18. Qe2 { [%eval 0.19] [%clk 0:35:44] } 18... b5 { [%eval 0.0] [%clk 0:47:17] } 19. a3 { [%eval 0.26] [%clk 0:32:08] } 19... d4 { [%eval 0.0] [%clk 0:46:31] } 20. exd4 { [%eval 0.0] [%clk 0:32:34] } 20... Rxd4?! { [%eval 0.77] } { Inaccuracy. Bxd4 was best. } { [%clk 0:45:03] } 21. Nd3 { [%eval 0.31] [%clk 0:25:18] } 21... Rdd8 { [%eval 0.39] [%clk 0:34:17] } 22. Nb4 { [%eval 0.92] [%clk 0:21:53] } 22... Ng6 { [%eval 0.99] [%clk 0:24:53] } 23. Be3?! { [%eval 0.33] } { Inaccuracy. Bg3 was best. } { [%clk 0:22:20] } 23... Rxd1+ { [%eval 0.62] [%clk 0:24:11] } 24. Rxd1 { [%eval 0.53] [%clk 0:22:21] } 24... Bb8 { [%eval 0.87] [%clk 0:23:12] } 25. Nc6 { [%eval 0.69] [%clk 0:19:28] } 25... Rxc6?! { [%eval 1.72] } { Inaccuracy. Qc7 was best. } { [%clk 0:21:11] } 26. Bxc6 { [%eval 0.9] [%clk 0:19:52] } 26... Qc7?! { [%eval 1.73] } { Inaccuracy. Bb3 was best. } { [%clk 0:21:39] } 27. f4 { [%eval 1.47] [%clk 0:19:19] } 27... Nxf4 { [%eval 1.46] [%clk 0:21:20] } 28. Qd2? { [%eval 0.0] } { Mistake. Qf3 was best. } { [%clk 0:19:45] } 28... Nd3 { [%eval 0.0] [%clk 0:10:41] } 29. Qxd3 { [%eval 0.0] [%clk 0:14:22] } 29... Qh2+ { [%eval 0.0] [%clk 0:11:02] } 30. Kf2 { [%eval 0.0] [%clk 0:14:49] } 30... Qg3+ { [%eval 0.0] [%clk 0:11:27] } 31. Kg1 { [%eval 0.0] [%clk 0:15:13] } 31... Qh2+ { [%eval 0.0] [%clk 0:11:53] } 32. Kf2 { [%eval 0.0] [%clk 0:15:39] } 32... Qg3+ { [%eval 0.0] [%clk 0:12:15] } 33. Kg1 { [%eval 0.0] [%clk 0:16:06] } 33... Qh2+ { [%eval 0.0] [%clk 0:12:40] } 34. Kf2 { [%eval 0.0] } 1/2-1/2