Event: Round 1: Koppenaal, Richard - Berg, George
Date: 2024-11-22
White: Koppenaal, Richard
WhiteElo: 1733
Black: Berg, George
BlackElo: 1952
Result: 0-1
ECO: A57
Opening: Benko Gambit Accepted: Modern Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.17] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:31:22] } 2... c5 { [%eval 0.56] [%clk 1:31:18] } 3. d5 { [%eval 0.62] [%clk 1:31:51] } 3... b5 { [%eval 0.53] [%clk 1:31:40] } 4. cxb5 { [%eval 0.55] [%clk 1:32:16] } 4... a6 { [%eval 0.58] [%clk 1:32:05] } 5. e3 { [%eval 0.42] [%clk 1:32:42] } 5... axb5 { [%eval 0.58] [%clk 1:32:28] } 6. Bxb5 { [%eval 0.5] [%clk 1:32:54] } 6... Qa5+ { [%eval 0.5] [%clk 1:32:52] } 7. Nc3 { [%eval 0.41] [%clk 1:33:20] } 7... Bb7 { [%eval 0.43] [%clk 1:33:14] } 8. Bd2 { [%eval 0.78] [%clk 1:33:39] } 8... Qb6 { [%eval 0.71] [%clk 1:33:39] } 9. Nf3 { [%eval 0.66] [%clk 1:33:57] } 9... Nxd5 { [%eval 0.65] [%clk 1:34:03] } 10. a4 { [%eval 0.6] [%clk 1:34:24] } 10... Nf6 { [%eval 1.01] [%clk 1:34:23] } 11. O-O { [%eval 0.99] [%clk 1:34:37] } 11... e6 { [%eval 0.87] [%clk 1:34:49] } 12. e4 { [%eval 0.78] [%clk 1:29:38] } 12... Be7 { [%eval 0.97] [%clk 1:31:47] } 13. e5 { [%eval 0.82] [%clk 1:23:08] } 13... Nd5 { [%eval 0.82] [%clk 1:28:43] } 14. Nxd5?! { [%eval 0.09] } { Inaccuracy. Bg5 was best. } { [%clk 1:13:17] } 14... Bxd5 { [%eval 0.17] [%clk 1:29:04] } 15. Be3 { [%eval -0.23] [%clk 1:12:53] } 15... Nc6 { [%eval -0.02] [%clk 1:23:29] } 16. Qe2 { [%eval -0.24] [%clk 1:05:43] } 16... O-O { [%eval -0.22] [%clk 1:23:07] } 17. Rfc1 { [%eval -0.26] [%clk 1:01:27] } 17... Bxf3 { [%eval 0.07] [%clk 1:17:16] } 18. Qxf3 { [%eval 0.07] [%clk 1:01:51] } 18... Nxe5 { [%eval 0.08] [%clk 1:17:39] } 19. Qg3 { [%eval 0.09] [%clk 1:00:47] } 19... Nc6 { [%eval 0.07] [%clk 1:16:45] } 20. Ra3?! { [%eval -0.89] } { Inaccuracy. Rab1 was best. } { [%clk 0:51:50] } 20... Rfc8 { [%eval -1.08] [%clk 1:07:16] } 21. Rac3 { [%eval -1.13] [%clk 0:47:26] } 21... d6 { [%eval -1.14] [%clk 1:07:11] } 22. Rc4 { [%eval -1.52] [%clk 0:42:40] } 22... Qb7 { [%eval -1.46] [%clk 0:55:36] } 23. Bh6?! { [%eval -2.46] } { Inaccuracy. h4 was best. } { [%clk 0:37:25] } 23... g6?! { [%eval -1.82] } { Inaccuracy. Bf8 was best. } { [%clk 0:55:42] } 24. h4?! { [%eval -2.77] } { Inaccuracy. Qf3 was best. } { [%clk 0:34:35] } 24... Nd4 { [%eval -2.66] [%clk 0:54:17] } 25. R4c3?! { [%eval -3.93] } { Inaccuracy. Qg4 was best. } { [%clk 0:30:36] } 25... Qxb5 { [%eval -3.44] [%clk 0:52:01] } 26. axb5 { [%eval -3.2] [%clk 0:30:59] } 26... Ne2+ { [%eval -3.21] [%clk 0:52:24] } 27. Kf1 { [%eval -3.61] [%clk 0:31:28] } 27... Nxg3+ { [%eval -3.41] [%clk 0:52:46] } 28. fxg3 { [%eval -3.83] [%clk 0:31:55] } 28... Rcb8 { [%eval -3.85] [%clk 0:52:05] } 0-1