Event: 2023 U.S. Senior Chess Championship
Site: Saint Louis, United States
Date: 2023-07-19
White: Shabalov, Alexander
WhiteElo: 2453
Black: Akopian, Vladimir
BlackElo: 2612
Result: 1-0
ECO: E11
Opening: Bogo-Indian Defense: Grünfeld Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:54] } 1... Nf6 { [%eval 0.28] [%clk 1:29:44] } 2. c4 { [%eval 0.16] [%clk 1:31:02] } 2... e6 { [%eval 0.23] [%clk 1:26:59] } 3. Nf3 { [%eval 0.0] [%clk 1:30:33] } 3... Bb4+ { [%eval 0.43] [%clk 1:24:19] } 4. Nbd2 { [%eval 0.28] [%clk 1:30:34] } 4... d5 { [%eval 0.75] [%clk 1:22:09] } 5. g3?! { [%eval 0.0] } { Inaccuracy. Qa4+ was best. } { [%clk 1:29:01] } 5... O-O { [%eval 0.21] [%clk 1:20:17] } 6. Bg2 { [%eval 0.21] [%clk 1:28:46] } 6... b6 { [%eval 0.12] [%clk 1:11:58] } 7. O-O { [%eval 0.15] [%clk 1:18:37] } 7... Bb7 { [%eval 0.24] [%clk 1:11:14] } 8. Qc2 { [%eval 0.0] [%clk 1:17:20] } 8... Nbd7 { [%eval -0.13] [%clk 1:06:48] } 9. Rd1 { [%eval -0.15] [%clk 1:14:51] } 9... c5 { [%eval 0.0] [%clk 0:59:44] } 10. cxd5 { [%eval 0.28] [%clk 1:10:01] } 10... exd5 { [%eval 0.26] [%clk 0:52:25] } 11. dxc5 { [%eval -0.01] [%clk 0:58:08] } 11... Nxc5?! { [%eval 0.59] } { Inaccuracy. Bxc5 was best. } { [%clk 0:46:40] } 12. a3 { [%eval 0.46] [%clk 0:47:36] } 12... Bxd2 { [%eval 0.63] [%clk 0:46:56] } 13. Bxd2 { [%eval 0.65] [%clk 0:48:01] } 13... Re8 { [%eval 0.55] [%clk 0:46:42] } 14. Bc3 { [%eval 0.33] [%clk 0:45:38] } 14... Nfe4 { [%eval 0.4] [%clk 0:45:02] } 15. Be1 { [%eval 0.28] [%clk 0:36:27] } 15... Qf6 { [%eval 0.31] [%clk 0:43:56] } 16. Rac1 { [%eval 0.28] [%clk 0:34:21] } 16... a5 { [%eval 0.24] [%clk 0:42:35] } 17. b4 { [%eval 0.0] [%clk 0:31:59] } 17... axb4 { [%eval 0.0] [%clk 0:42:59] } 18. axb4 { [%eval 0.0] [%clk 0:32:24] } 18... Na4 { [%eval 0.0] [%clk 0:39:01] } 19. Qb3 { [%eval 0.0] [%clk 0:29:21] } 19... Nb2 { [%eval 0.0] [%clk 0:36:53] } 20. Rd4 { [%eval 0.0] [%clk 0:29:08] } 20... Nc4 { [%eval 0.0] [%clk 0:37:16] } 21. Qb1 { [%eval -0.31] [%clk 0:21:22] } 21... b5 { [%eval -0.25] [%clk 0:32:33] } 22. Rdd1 { [%eval -0.21] [%clk 0:20:12] } 22... Nb2 { [%eval 0.0] [%clk 0:31:15] } 23. Rd4 { [%eval -0.15] [%clk 0:20:25] } 23... Nc4 { [%eval -0.29] [%clk 0:31:39] } 24. Rdd1 { [%eval -0.13] [%clk 0:20:04] } 24... h6 { [%eval 0.08] [%clk 0:26:50] } 25. Nd4 { [%eval 0.07] [%clk 0:18:35] } 25... Qb6 { [%eval 0.13] [%clk 0:27:00] } 26. Nb3 { [%eval 0.08] [%clk 0:16:03] } 26... Ra3 { [%eval 0.07] [%clk 0:22:09] } 27. Nc5 { [%eval 0.08] [%clk 0:14:02] } 27... Ba8 { [%eval 0.13] [%clk 0:22:25] } 28. Rd3 { [%eval 0.07] [%clk 0:11:53] } 28... Ra7 { [%eval 0.08] [%clk 0:22:10] } 29. Nb3 { [%eval 0.0] [%clk 0:11:02] } 29... h5 { [%eval 0.03] [%clk 0:20:29] } 30. Rcd1 { [%eval 0.09] [%clk 0:10:19] } 30... h4?! { [%eval 0.69] } { Inaccuracy. Ra4 was best. } { [%clk 0:20:13] } 31. gxh4 { [%eval 0.51] [%clk 0:08:38] } 31... Re6? { [%eval 1.75] } { Mistake. Ra6 was best. } { [%clk 0:18:07] } 32. h5?! { [%eval 0.98] } { Inaccuracy. Nc5 was best. } { [%clk 0:08:45] } 32... Re5 { [%eval 1.5] [%clk 0:18:06] } 33. Nc5 { [%eval 1.28] [%clk 0:07:16] } 33... Rae7?? { [%eval 3.32] } { Blunder. Ned6 was best. } { [%clk 0:13:21] } 34. Nxe4 { [%eval 3.54] [%clk 0:05:51] } 34... dxe4 { [%eval 3.66] [%clk 0:13:45] } 35. Rg3 { [%eval 3.34] [%clk 0:06:17] } 35... f6 { [%eval 3.68] [%clk 0:09:33] } 36. h6 { [%eval 3.16] [%clk 0:06:00] } 36... g5?! { [%eval 4.46] } { Inaccuracy. Rf5 was best. } { [%clk 0:09:17] } 37. Bc3 { [%eval 3.88] [%clk 0:05:16] } 37... Rd5?! { [%eval 6.07] } { Inaccuracy. Rf5 was best. } { [%clk 0:07:34] } 38. Rxd5 { [%eval 6.13] [%clk 0:04:35] } 38... Bxd5 { [%eval 6.17] [%clk 0:07:58] } 39. h4 { [%eval 6.5] [%clk 0:04:57] } 1-0