Event: Round 4: Ivan Zemlyanskii - Nikita Petrov
Date: 2022-07-11
White: Ivan Zemlyanskii
Black: Nikita Petrov
Result: 1/2-1/2
ECO: A57
Opening: Benko Gambit Declined: Main Line
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... Nf6 { [%eval 0.23] [%clk 1:30:48] } 2. c4 { [%eval 0.34] [%clk 1:31:12] } 2... c5 { [%eval 0.78] [%clk 1:31:07] } 3. d5 { [%eval 0.75] [%clk 1:31:26] } 3... b5 { [%eval 0.83] [%clk 1:31:30] } 4. Nf3?! { [%eval 0.24] } { Inaccuracy. cxb5 was best. } { [%clk 1:31:23] } 4... b4 { [%eval 0.5] [%clk 1:30:54] } 5. a3 { [%eval 0.36] [%clk 1:29:23] } 5... g6 { [%eval 0.63] [%clk 1:30:55] } 6. axb4 { [%eval 0.26] [%clk 1:28:22] } 6... cxb4 { [%eval 0.3] [%clk 1:31:18] } 7. g3 { [%eval 0.0] [%clk 1:28:43] } 7... Bg7 { [%eval 0.19] [%clk 1:27:56] } 8. Bg2 { [%eval 0.1] [%clk 1:28:53] } 8... O-O { [%eval -0.04] [%clk 1:26:28] } 9. O-O { [%eval 0.0] [%clk 1:28:45] } 9... a5 { [%eval 0.13] [%clk 1:22:23] } 10. Be3 { [%eval 0.0] [%clk 1:20:03] } 10... d6 { [%eval 0.05] [%clk 1:19:48] } 11. Nbd2 { [%eval 0.16] [%clk 1:15:14] } 11... Nbd7 { [%eval 0.0] [%clk 1:00:10] } 12. h3 { [%eval 0.22] [%clk 1:08:40] } 12... Bb7 { [%eval 0.27] [%clk 0:51:35] } 13. Nd4 { [%eval 0.24] [%clk 1:00:50] } 13... Qc7 { [%eval 0.12] [%clk 0:46:36] } 14. Nb5 { [%eval 0.26] [%clk 0:55:59] } 14... Qb8 { [%eval 0.26] [%clk 0:40:03] } 15. Qa4?! { [%eval -0.39] } { Inaccuracy. Nd4 was best. } { [%clk 0:37:30] } 15... Rc8 { [%eval 0.06] [%clk 0:34:10] } 16. Nd4?! { [%eval -0.67] } { Inaccuracy. Nb3 was best. } { [%clk 0:26:37] } 16... Nc5?! { [%eval 0.14] } { Inaccuracy. Nb6 was best. } { [%clk 0:32:04] } 17. Qb5 { [%eval -0.27] [%clk 0:21:31] } 17... Qc7 { [%eval 0.05] [%clk 0:28:24] } 18. N2b3 { [%eval -0.23] [%clk 0:18:23] } 18... Nxb3 { [%eval 0.01] [%clk 0:26:00] } 19. Nxb3 { [%eval 0.18] [%clk 0:18:52] } 19... Rcb8 { [%eval 0.05] [%clk 0:14:22] } 20. Bb6 { [%eval -0.06] [%clk 0:10:45] } 20... Qc8?! { [%eval 0.53] } { Inaccuracy. Qd7 was best. } { [%clk 0:14:42] } 21. Nxa5?? { [%eval -1.95] } { Blunder. Rxa5 was best. } { [%clk 0:09:02] } 21... Nd7 { [%eval -1.94] [%clk 0:10:50] } 22. Qxb4 { [%eval -1.88] [%clk 0:04:45] } 22... Nxb6?? { [%eval 0.0] } { Blunder. Ba6 was best. } { [%clk 0:10:17] } 23. Qxb6 { [%eval -0.03] [%clk 0:05:13] } 23... Bxd5 { [%eval 0.0] [%clk 0:10:21] } 24. Nc6 { [%eval 0.0] [%clk 0:05:01] } 24... Bxc6 { [%eval 0.0] [%clk 0:05:29] } 25. Qxc6 { [%eval -0.04] [%clk 0:05:18] } 25... Qxc6 { [%eval 0.0] [%clk 0:05:15] } 26. Bxc6 { [%eval 0.0] [%clk 0:05:43] } 26... Rxa1 { [%eval 0.0] [%clk 0:05:43] } 27. Rxa1 { [%eval -0.07] [%clk 0:06:05] } 27... Bxb2 { [%eval 0.0] [%clk 0:06:09] } 28. Ra8 { [%eval 0.0] [%clk 0:05:59] } 28... Rxa8 { [%eval 0.0] [%clk 0:06:35] } 29. Bxa8 { [%eval 0.0] [%clk 0:06:24] } 29... Kg7 { [%eval 0.0] [%clk 0:06:58] } 30. e3 { [%eval 0.0] [%clk 0:06:33] } 30... e6 { [%eval 0.0] [%clk 0:07:21] } 31. Kg2 { [%eval -0.05] [%clk 0:06:54] } 31... f5 { [%eval 0.0] [%clk 0:07:45] } 32. Bb7 { [%eval 0.0] [%clk 0:07:13] } 32... Kf6 { [%eval 0.0] [%clk 0:08:10] } 33. Kf3 { [%eval 0.0] [%clk 0:07:38] } 33... g5 { [%eval 0.0] [%clk 0:08:30] } 34. g4 { [%eval 0.0] [%clk 0:07:57] } 34... h6 { [%eval 0.0] [%clk 0:08:43] } 35. Bc8 { [%clk 0:08:21] } 35... Bc3 { [%clk 0:09:00] } 36. Bd7 { [%clk 0:08:46] } 36... Bb4 { [%clk 0:09:24] } 37. Bc8 { [%clk 0:09:12] } 37... Bc3 { [%clk 0:09:51] } 38. Bd7 { [%clk 0:09:36] } 38... Bb4 { [%clk 0:10:19] } 39. Bc8 { [%clk 0:09:58] } 39... Bc3 { [%clk 0:10:45] } 40. Bd7 { [%clk 0:10:24] } 40... Bb4 { [%clk 0:11:12] } 1/2-1/2