Event: Las Vegas National Open 2023
Date: 2023-06-17
White: Peter Gaffney
Black: Ganchimeg Batsaikhan
Result: 1/2-1/2
ECO: A57
Opening: Benko Gambit Accepted: Pawn Return Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... Nf6 { [%eval 0.28] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:31:19] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 1:31:19] } 3. d5 { [%eval 0.75] [%clk 1:31:35] } 3... b5 { [%eval 0.83] [%clk 1:31:41] } 4. cxb5 { [%eval 0.8] [%clk 1:31:46] } 4... a6 { [%eval 0.74] [%clk 1:32:04] } 5. b6 { [%eval 0.27] [%clk 1:32:12] } 5... g6 { [%eval 0.71] [%clk 1:32:11] } 6. Nc3 { [%eval 0.96] [%clk 1:31:58] } 6... Bg7 { [%eval 0.64] [%clk 1:31:53] } 7. e4 { [%eval 0.4] [%clk 1:30:19] } 7... d6 { [%eval 0.79] [%clk 1:32:16] } 8. Be2 { [%eval 0.28] [%clk 1:27:56] } 8... Qxb6 { [%eval 0.62] [%clk 1:30:34] } 9. Nf3 { [%eval 0.58] [%clk 1:26:57] } 9... Bg4 { [%eval 0.73] [%clk 1:28:07] } 10. Nd2 { [%eval 0.3] [%clk 1:25:15] } 10... Bxe2 { [%eval 0.42] [%clk 1:23:30] } 11. Qxe2 { [%eval 0.35] [%clk 1:25:37] } 11... Nbd7 { [%eval 0.46] [%clk 1:20:37] } 12. Nc4 { [%eval 0.21] [%clk 1:24:13] } 12... Qc7 { [%eval 0.22] [%clk 1:20:52] } 13. O-O { [%eval 0.26] [%clk 1:20:49] } 13... h5?! { [%eval 1.27] } { Inaccuracy. Nb6 was best. } { [%clk 1:16:31] } 14. h3 { [%eval 0.96] [%clk 1:14:20] } 14... h4 { [%eval 1.25] [%clk 1:15:38] } 15. Be3 { [%eval 1.17] [%clk 1:09:31] } 15... Kf8 { [%eval 1.75] [%clk 1:09:34] } 16. f4 { [%eval 1.17] [%clk 1:01:09] } 16... Nh5 { [%eval 1.31] [%clk 1:08:19] } 17. Qf3 { [%eval 1.03] [%clk 0:53:36] } 17... Bd4?! { [%eval 1.88] } { Inaccuracy. Ng3 was best. } { [%clk 1:04:35] } 18. e5? { [%eval 0.18] } { Mistake. Ne2 was best. } { [%clk 0:49:27] } 18... Ng3 { [%eval 0.59] [%clk 1:00:57] } 19. exd6 { [%eval 0.35] [%clk 0:46:54] } 19... exd6 { [%eval 0.35] [%clk 1:01:11] } 20. Ne4 { [%eval 0.23] [%clk 0:42:44] } 20... Bxe3+ { [%eval 0.32] [%clk 0:57:55] } 21. Nxe3 { [%eval 0.23] [%clk 0:39:47] } 21... Nxf1 { [%eval 0.44] [%clk 0:57:41] } 22. Rxf1 { [%eval 0.37] [%clk 0:39:55] } 22... Rd8? { [%eval 1.94] } { Mistake. f5 was best. } { [%clk 0:51:13] } 23. f5 { [%eval 1.91] [%clk 0:37:33] } 23... Ne5 { [%eval 2.08] [%clk 0:46:16] } 24. Qf4 { [%eval 1.88] [%clk 0:37:21] } 24... Qe7 { [%eval 1.95] [%clk 0:33:33] } 25. fxg6 { [%eval 2.04] [%clk 0:33:33] } 25... Nxg6 { [%eval 1.89] [%clk 0:33:40] } 26. Qf5 { [%eval 1.99] [%clk 0:29:25] } 26... Rg8? { [%eval 3.61] } { Mistake. Ne5 was best. } { [%clk 0:31:12] } 27. Nc4 { [%eval 3.0] [%clk 0:26:55] } 27... Rg7 { [%eval 2.06] [%clk 0:30:23] } 28. Ng5? { [%eval 0.59] } { Mistake. Kh1 was best. } { [%clk 0:25:52] } 28... Kg8?! { [%eval 1.67] } { Inaccuracy. Nf4 was best. } { [%clk 0:28:01] } 29. Ne4 { [%eval 1.52] [%clk 0:24:09] } 29... Ne5?? { [%eval 7.57] } { Blunder. Kf8 was best. } { [%clk 0:19:09] } 30. Nf6+ { [%eval 7.74] [%clk 0:21:22] } 30... Kf8 { [%eval 7.33] [%clk 0:19:27] } 31. Nh7+? { [%eval 3.56] } { Mistake. Qh5 was best. } { [%clk 0:18:39] } 31... Kg8?? { [%eval 7.88] } { Blunder. Rxh7 was best. } { [%clk 0:19:27] } 32. Nf6+ { [%eval 7.67] [%clk 0:18:55] } 32... Kf8 { [%eval 8.02] [%clk 0:19:53] } 33. Nh7+?? { [%eval 0.0] } { Blunder. Qh5 was best. } { [%clk 0:19:14] } 1/2-1/2