Event: U.S. Senior Championship
Site: Saint Louis, United States
Date: 2021-07-17
White: Yermolinsky, Alex
WhiteElo: 2478
Black: Shabalov, Alexander
BlackElo: 2521
Result: 1/2-1/2
ECO: A04
Opening: Zukertort Opening: Polish Defense
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:30:25] } 1... b5?! { [%eval 0.73] } { Inaccuracy. d5 was best. } { [%clk 1:30:33] } 2. e3 { [%eval 0.43] [%clk 1:28:41] } 2... a6 { [%eval 0.62] [%clk 1:30:42] } 3. b3 { [%eval 0.52] [%clk 1:28:02] } 3... Nf6 { [%eval 0.57] [%clk 1:28:48] } 4. c4 { [%eval 0.4] [%clk 1:26:29] } 4... c6 { [%eval 0.76] [%clk 1:27:43] } 5. Bb2 { [%eval 0.7] [%clk 1:20:04] } 5... d5 { [%eval 1.12] [%clk 1:25:35] } 6. Be2 { [%eval 1.09] [%clk 1:18:08] } 6... Bf5 { [%eval 0.99] [%clk 1:21:33] } 7. O-O { [%eval 0.98] [%clk 1:14:31] } 7... e6 { [%eval 0.73] [%clk 1:21:15] } 8. d3 { [%eval 0.87] [%clk 1:11:01] } 8... Be7 { [%eval 0.77] [%clk 1:13:22] } 9. Nbd2 { [%eval 0.88] [%clk 1:08:01] } 9... h6 { [%eval 0.83] [%clk 1:09:05] } 10. Ne5 { [%eval 0.62] [%clk 1:01:36] } 10... O-O { [%eval 0.34] [%clk 1:08:27] } 11. Ndf3 { [%eval 0.44] [%clk 0:51:55] } 11... Bd6 { [%eval 0.42] [%clk 0:59:11] } 12. Rc1 { [%eval 0.46] [%clk 0:48:53] } 12... Qe7 { [%eval 0.59] [%clk 0:47:49] } 13. cxd5 { [%eval 0.53] [%clk 0:48:06] } 13... cxd5 { [%eval 0.26] [%clk 0:48:03] } 14. Rc2 { [%eval 0.5] [%clk 0:41:46] } 14... Nfd7 { [%eval 0.59] [%clk 0:35:47] } 15. Nxd7 { [%eval 0.73] [%clk 0:37:15] } 15... Nxd7 { [%eval 0.76] [%clk 0:35:59] } 16. Nd4 { [%eval 0.68] [%clk 0:36:02] } 16... Bg6 { [%eval 0.47] [%clk 0:35:06] } 17. Nc6 { [%eval 0.58] [%clk 0:29:41] } 17... Qe8 { [%eval 0.66] [%clk 0:35:03] } 18. Qc1 { [%eval 0.41] [%clk 0:28:17] } 18... e5 { [%eval 0.86] [%clk 0:30:18] } 19. Ba3 { [%eval 0.44] [%clk 0:27:26] } 19... Qe6 { [%eval 0.6] [%clk 0:30:08] } 20. Bxd6 { [%eval 0.46] [%clk 0:27:23] } 20... Qxd6 { [%eval 0.93] [%clk 0:30:32] } 21. Qd2 { [%eval 0.75] [%clk 0:24:05] } 21... Rfc8 { [%eval 0.72] [%clk 0:26:52] } 22. Rfc1 { [%eval 0.89] [%clk 0:24:13] } 22... Kh7 { [%eval 0.58] [%clk 0:27:11] } 23. b4 { [%eval 0.78] [%clk 0:20:14] } 23... Rc7 { [%eval 0.37] [%clk 0:17:36] } 24. Na5 { [%eval 0.67] [%clk 0:20:24] } 24... Rac8 { [%eval 0.61] [%clk 0:17:29] } 25. a3 { [%eval 0.42] [%clk 0:19:21] } 25... Bf5 { [%eval 0.75] [%clk 0:15:56] } 26. Nb3 { [%eval 0.74] [%clk 0:16:08] } 26... Rc6 { [%eval 0.68] [%clk 0:13:31] } 27. Na5 { [%eval 0.31] [%clk 0:12:45] } 27... R6c7 { [%eval 0.61] [%clk 0:13:54] } 28. Nb3 { [%eval 0.64] [%clk 0:12:56] } 28... Rc6 { [%eval 0.79] [%clk 0:14:20] } 29. Na5?! { [%eval 0.0] } { Inaccuracy. Rxc6 was best. } { [%clk 0:12:54] } 29... R6c7 { [%eval 0.76] [%clk 0:14:45] } 30. Nb3?! { [%eval 0.0] } { Inaccuracy. Rxc7 was best. } { [%clk 0:13:17] } 30... Rc6 { [%eval 0.66] } 1/2-1/2