Event: Round 4: Arjan Drenthen - Michael Dr. Esser
Date: 2023-08-04
White: Arjan Drenthen
Black: Michael Dr. Esser
Result: 1/2-1/2
ECO: A57
Opening: Benko Gambit
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:50] } 1... Nf6 { [%eval 0.28] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:31:14] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 1:31:21] } 3. d5 { [%eval 0.75] [%clk 1:31:40] } 3... b5 { [%eval 0.83] [%clk 1:31:47] } 4. Qc2?! { [%eval 0.0] } { Inaccuracy. cxb5 was best. } { [%clk 1:32:05] } 4... bxc4 { [%eval 0.38] [%clk 1:32:10] } 5. e4 { [%eval 0.13] [%clk 1:32:29] } 5... d6 { [%eval 0.6] [%clk 1:32:12] } 6. Bxc4 { [%eval 0.78] [%clk 1:32:53] } 6... g6 { [%eval 0.67] [%clk 1:31:52] } 7. Bd2 { [%eval 0.45] [%clk 1:32:21] } 7... Bg7 { [%eval 0.4] [%clk 1:32:11] } 8. Bc3 { [%eval 0.59] [%clk 1:32:25] } 8... O-O { [%eval 0.5] [%clk 1:32:20] } 9. Nf3 { [%eval 0.33] [%clk 1:32:28] } 9... Ba6?! { [%eval 1.07] } { Inaccuracy. e5 was best. } { [%clk 1:30:20] } 10. Nbd2 { [%eval 0.89] [%clk 1:32:10] } 10... Bxc4 { [%eval 0.96] [%clk 1:30:19] } 11. Nxc4 { [%eval 0.97] [%clk 1:32:34] } 11... Na6 { [%eval 1.35] [%clk 1:29:33] } 12. O-O { [%eval 1.26] [%clk 1:31:07] } 12... Nb4 { [%eval 1.71] [%clk 1:23:08] } 13. Qe2 { [%eval 1.9] [%clk 1:30:47] } 13... e6? { [%eval 3.51] } { Mistake. Qd7 was best. } { [%clk 1:15:06] } 14. a3?? { [%eval 0.32] } { Blunder. dxe6 was best. } { [%clk 1:21:58] } 14... exd5 { [%eval 0.6] [%clk 1:14:25] } 15. axb4 { [%eval 0.52] [%clk 1:17:42] } 15... dxc4 { [%eval 0.63] [%clk 1:14:50] } 16. bxc5 { [%eval 0.5] [%clk 1:16:30] } 16... dxc5?! { [%eval 1.55] } { Inaccuracy. d5 was best. } { [%clk 1:13:45] } 17. Qxc4 { [%eval 1.48] [%clk 1:15:41] } 17... Qe7 { [%eval 1.27] [%clk 1:14:02] } 18. Rfe1 { [%eval 1.32] [%clk 1:14:55] } 18... Rfe8 { [%eval 1.74] [%clk 1:13:47] } 19. e5 { [%eval 1.49] [%clk 1:10:01] } 19... Nd7 { [%eval 1.66] [%clk 1:12:12] } 20. e6 { [%eval 1.54] [%clk 1:05:32] } 20... fxe6 { [%eval 1.81] [%clk 1:10:45] } 21. Bxg7 { [%eval 1.62] [%clk 1:03:17] } 21... Kxg7 { [%eval 1.68] [%clk 1:10:53] } 22. Re3?! { [%eval 0.95] } { Inaccuracy. Ra6 was best. } { [%clk 1:00:13] } 22... Nf8?! { [%eval 2.05] } { Inaccuracy. e5 was best. } { [%clk 1:10:22] } 23. Ne5?! { [%eval 1.18] } { Inaccuracy. h3 was best. } { [%clk 0:57:18] } 23... Qd6? { [%eval 2.48] } { Mistake. Nd7 was best. } { [%clk 1:02:29] } 24. Qf4 { [%eval 2.49] [%clk 0:52:49] } 24... Re7 { [%eval 2.56] [%clk 1:02:29] } 25. Nxg6? { [%eval 0.96] } { Mistake. Rd3 was best. } { [%clk 0:48:14] } 25... Qxf4 { [%eval 0.8] [%clk 0:57:51] } 26. Nxf4 { [%eval 0.8] [%clk 0:48:35] } 26... Rb8 { [%eval 0.8] [%clk 0:58:01] } 27. b3 { [%eval 0.67] [%clk 0:47:44] } 1/2-1/2