Event: 2021 U.S. Open (4-day)
Site: Cherry Hill, New Jersey, USA
Date: 2021-08-06
White: Niemann, Hans
WhiteTitle: GM
WhiteElo: 2606
Black: Akobian, Varuzhan
BlackTitle: GM
BlackElo: 2614
Result: 1-0
ECO: A13
Opening: English Opening: Agincourt Defense, Catalan Defense Accepted
Variant: Standard
TimeControl: 3600+0

1. c4 { [%clk 0:59:10] } 1... e6 { [%clk 0:59:16] } 2. Nf3 { [%clk 0:59:08] } 2... d5 { [%clk 0:59:16] } 3. g3 { [%clk 0:59:08] } 3... Nf6 { [%clk 0:59:00] } 4. Bg2 { [%clk 0:59:07] } 4... dxc4 { [%clk 0:58:26] } 5. Qa4+ { [%clk 0:59:06] } 5... Nbd7 { [%clk 0:57:53] } 6. Qxc4 { [%clk 0:59:06] } 6... a6 { [%clk 0:57:51] } 7. Qc2 { [%clk 0:59:06] } 7... c5 { [%clk 0:57:20] } 8. Nc3 { [%clk 0:59:06] } 8... Qc7 { [%clk 0:52:23] } 9. O-O { [%clk 0:59:06] } 9... b5 { [%clk 0:50:14] } 10. a4 { [%clk 0:59:06] } 10... b4 { [%clk 0:49:49] } 11. Nd1 { [%clk 0:59:06] } 11... Bb7 { [%clk 0:48:56] } 12. Ne3 { [%clk 0:59:06] } 12... Be7 { [%clk 0:46:35] } 13. b3 { [%clk 0:59:06] } 13... a5 { [%clk 0:44:41] } 14. Bb2 { [%clk 0:59:05] } 14... O-O { [%clk 0:44:17] } 15. Rac1 { [%clk 0:59:05] } 15... Rfd8 { [%clk 0:42:19] } 16. d3 { [%clk 0:58:35] } 16... Nd5 { [%clk 0:41:49] } 17. Nc4 { [%clk 0:55:30] } 17... Bf6 { [%clk 0:41:02] } 18. e4? { [%clk 0:54:05] } 18... Nc3 { [%clk 0:37:06] } 19. Rfe1 { [%clk 0:51:49] } 19... Bd4 { [%clk 0:36:50] } 20. Na3 { [%clk 0:51:45] } 20... Ba6?! { [%clk 0:22:51] } 21. Nb1 { [%clk 0:50:01] } 21... Ne5 { [%clk 0:22:26] } 22. Nxe5 { [%clk 0:48:55] } 22... Qxe5 { [%clk 0:22:06] } 23. Nxc3 { [%clk 0:48:28] } 23... Bxd3 { [%clk 0:21:19] } 24. Qd2 { [%clk 0:48:24] } 24... bxc3 { [%clk 0:18:38] } 25. Bxc3 { [%clk 0:48:24] } 25... Bxc3 { [%clk 0:08:34] } 26. Qxc3 { [%clk 0:48:23] } 26... Qxc3 { [%clk 0:08:07] } 27. Rxc3 { [%clk 0:48:23] } 27... Rab8 { [%clk 0:07:31] } 28. h4 { [%clk 0:47:39] } 28... Ba6?! { [%clk 0:00:35] } 29. Rxc5 { [%clk 0:47:39] } 29... Rxb3 { [%clk 0:00:35] } 30. Rxa5 { [%clk 0:47:39] } 30... Rb6 { [%clk 0:00:17] } 31. e5? { [%clk 0:47:09] } 31... g6 { [%clk 0:00:17] } 32. Rc5 { [%clk 0:46:56] } 32... Rb2 { [%clk 0:00:04] } 33. Rc6 { [%clk 0:45:31] } 33... Bb7 { [%clk 0:00:04] } 34. Rd6 { [%clk 0:45:31] } 34... Ra8 1-0