Event: 2021 U.S. Open
Site: Cherry Hill, New Jersey, USA
Date: 2021-08-08
White: Niemann, Hans
WhiteTitle: GM
WhiteElo: 2606
Black: Liang, Awonder
BlackTitle: GM
BlackElo: 2587
Result: 1-0
ECO: B12
Opening: Caro-Kann Defense: Advance Variation
Variant: Standard
TimeControl: 40/6000+30:1800+30

1. e4 { [%eval 0.24] [%clk 1:40:57] } 1... c6 { [%eval 0.13] [%clk 1:40:52] } 2. d4 { [%eval 0.17] [%clk 1:41:21] } 2... d5 { [%eval 0.25] [%clk 1:41:16] } 3. e5 { [%eval 0.23] [%clk 1:41:45] } 3... Bf5 { [%eval 0.32] [%clk 1:41:39] } 4. Nd2 { [%eval 0.0] [%clk 1:42:09] } 4... e6 { [%eval 0.35] [%clk 1:41:10] } 5. Nb3 { [%eval 0.26] [%clk 1:42:33] } 5... Nd7 { [%eval 0.27] [%clk 1:41:15] } 6. Nf3 { [%eval 0.05] [%clk 1:42:48] } 6... h6 { [%eval 0.33] [%clk 1:35:10] } 7. Be2 { [%eval 0.27] [%clk 1:42:38] } 7... Qc7 { [%eval 0.72] [%clk 1:34:32] } 8. O-O { [%eval 0.67] [%clk 1:42:34] } 8... g5 { [%eval 0.55] [%clk 1:34:36] } 9. a4 { [%eval 0.63] [%clk 1:42:17] } 9... Bg7 { [%eval 0.72] [%clk 1:28:10] } 10. a5 { [%eval 0.47] [%clk 1:39:18] } 10... Ne7 { [%eval 0.45] [%clk 1:19:31] } 11. Bd2 { [%eval 0.68] [%clk 1:39:20] } 11... c5 { [%eval 0.64] [%clk 1:17:48] } 12. Nxc5 { [%eval 0.84] [%clk 1:39:45] } 12... Nxc5 { [%eval 0.81] [%clk 1:17:49] } 13. dxc5 { [%eval 0.93] [%clk 1:40:13] } 13... O-O { [%eval 1.36] [%clk 1:11:36] } 14. b4 { [%eval 1.04] [%clk 1:35:09] } 14... Nc6 { [%eval 1.02] [%clk 1:06:21] } 15. Ra3 { [%eval 1.24] [%clk 1:27:46] } 15... a6 { [%eval 0.75] [%clk 1:01:42] } 16. h3 { [%eval 0.75] [%clk 1:20:22] } 16... Rad8 { [%eval 1.04] [%clk 0:58:42] } 17. Bd3 { [%eval 1.15] [%clk 1:17:59] } 17... Be4 { [%eval 1.09] [%clk 0:51:39] } 18. Re1 { [%eval 1.36] [%clk 1:15:22] } 18... Nxe5 { [%eval 1.47] [%clk 0:46:16] } 19. Nxe5 { [%eval 1.43] [%clk 1:13:04] } 19... Qxe5 { [%eval 1.25] [%clk 0:45:22] } 20. Bc3 { [%eval 1.16] [%clk 1:08:29] } 20... Qf4 { [%eval 1.12] [%clk 0:41:51] } 21. g3 { [%eval 0.89] [%clk 1:05:55] } 21... Qf5 { [%eval 1.05] [%clk 0:42:02] } 22. Bxg7 { [%eval 1.0] [%clk 1:03:35] } 22... Kxg7 { [%eval 1.27] [%clk 0:42:23] } 23. Bxe4 { [%eval 0.8] [%clk 1:04:01] } 23... dxe4 { [%eval 0.52] [%clk 0:42:47] } 24. Qe2 { [%eval 0.66] [%clk 1:04:28] } 24... Qxh3?! { [%eval 1.28] } { Inaccuracy. Rd4 was best. } { [%clk 0:27:07] } 25. Qxe4 { [%eval 1.25] [%clk 1:04:49] } 25... Rd7? { [%eval 2.45] } { Mistake. Qf5 was best. } { [%clk 0:27:32] } 26. Rd3 { [%eval 2.3] [%clk 1:03:45] } 26... Rfd8?? { [%eval 5.49] } { Blunder. Rxd3 was best. } { [%clk 0:22:51] } 27. Red1 { [%eval 5.84] [%clk 1:04:09] } 27... Rxd3 { [%eval 5.43] [%clk 0:22:32] } 28. Rxd3 { [%eval 5.47] [%clk 1:04:35] } 28... Rxd3 { [%eval 6.0] [%clk 0:22:57] } 29. cxd3 { [%eval 6.35] [%clk 1:05:03] } 29... Qh5 { [%eval 6.01] [%clk 0:19:26] } 30. g4 { [%eval 5.69] [%clk 1:05:28] } 30... Qh3 { [%eval 5.74] [%clk 0:19:42] } 31. Qe5+ { [%eval 5.08] [%clk 1:05:55] } 31... Kf8 { [%eval 5.72] [%clk 0:19:33] } 32. Qb8+ { [%eval 5.07] [%clk 1:05:30] } 32... Ke7?! { [%eval 7.15] } { Inaccuracy. Kg7 was best. } { [%clk 0:18:04] } 33. Qxb7+ { [%eval 6.99] [%clk 1:05:55] } 33... Kd8 { [%eval 7.23] [%clk 0:18:30] } 34. Qb8+ { [%eval 7.21] [%clk 1:05:57] } 34... Kd7 { [%eval 7.19] [%clk 0:18:40] } 35. Qd6+ { [%eval 7.38] [%clk 1:05:10] } 35... Ke8 { [%eval 7.23] [%clk 0:19:05] } 36. Qg3 { [%eval 6.65] [%clk 1:04:06] } 36... Qxg3+ { [%eval 6.62] [%clk 0:19:29] } 37. fxg3 { [%eval 6.62] [%clk 1:04:34] } 37... Kd7 { [%eval 6.76] [%clk 0:16:48] } 38. d4 { [%eval 7.0] [%clk 1:03:17] } 1-0