Event: Round 13: Donchenko, Alexander - Kopylov, Michael
Date: 2025-05-24
White: Donchenko, Alexander
WhiteTitle: GM
WhiteElo: 2578
Black: Kopylov, Michael
BlackTitle: IM
BlackElo: 2329
Result: 1-0
ECO: A59
Opening: Benko Gambit Accepted: King Walk Variation
Variant: Standard
TimeControl: 3+2

1. d4 { [%eval 0.17] [%clk 0:03:04] } 1... Nf6 { [%eval 0.19] [%clk 0:03:03] } 2. c4 { [%eval 0.18] [%clk 0:03:05] } 2... c5 { [%eval 0.56] [%clk 0:03:01] } 3. d5 { [%eval 0.47] [%clk 0:03:06] } 3... b5 { [%eval 0.53] [%clk 0:03:02] } 4. cxb5 { [%eval 0.47] [%clk 0:03:07] } 4... a6 { [%eval 0.6] [%clk 0:03:04] } 5. bxa6 { [%eval 0.52] [%clk 0:03:08] } 5... g6 { [%eval 0.64] [%clk 0:03:05] } 6. Nc3 { [%eval 0.51] [%clk 0:03:09] } 6... Bxa6 { [%eval 0.74] [%clk 0:03:07] } 7. Nf3 { [%eval 0.6] [%clk 0:03:09] } 7... Bg7 { [%eval 0.52] [%clk 0:03:07] } 8. e4 { [%eval 0.45] [%clk 0:03:10] } 8... Bxf1 { [%eval 0.75] [%clk 0:03:07] } 9. Kxf1 { [%eval 0.86] [%clk 0:03:11] } 9... d6 { [%eval 0.74] [%clk 0:03:08] } 10. g3 { [%eval 0.76] [%clk 0:03:11] } 10... O-O { [%eval 0.83] [%clk 0:03:08] } 11. Kg2 { [%eval 0.78] [%clk 0:03:12] } 11... Qb6 { [%eval 0.77] [%clk 0:03:07] } 12. Qe2 { [%eval 0.67] [%clk 0:03:12] } 12... Nbd7 { [%eval 1.02] [%clk 0:03:07] } 13. a4 { [%eval 0.94] [%clk 0:03:13] } 13... Rfb8 { [%eval 0.91] [%clk 0:03:02] } 14. Bd2?! { [%eval 0.33] } { Inaccuracy. Nb5 was best. } { [%clk 0:03:14] } 14... Ne8 { [%eval 0.85] [%clk 0:03:02] } 15. Rhb1 { [%eval 0.69] [%clk 0:03:03] } 15... Qb3 { [%eval 1.23] [%clk 0:02:12] } 16. Ra3 { [%eval 1.18] [%clk 0:03:02] } 16... Qb7 { [%eval 1.28] [%clk 0:02:13] } 17. b3?! { [%eval 0.53] } { Inaccuracy. h4 was best. } { [%clk 0:02:38] } 17... Nc7 { [%eval 0.55] [%clk 0:02:14] } 18. Ra2 { [%eval 0.5] [%clk 0:02:32] } 18... Qa6 { [%eval 0.46] [%clk 0:02:04] } 19. Kf1?! { [%eval -0.47] } { Inaccuracy. Qe3 was best. } { [%clk 0:02:16] } 19... Rb7 { [%eval -0.05] [%clk 0:01:54] } 20. Ra3?? { [%eval -2.96] } { Blunder. Qxa6 was best. } { [%clk 0:01:58] } 20... Qb6?? { [%eval 0.27] } { Blunder. Bxc3 was best. } { [%clk 0:01:23] } 21. a5 { [%eval 0.17] [%clk 0:01:56] } 21... Qa6 { [%eval 0.15] [%clk 0:01:06] } 22. Na4 { [%eval -0.23] [%clk 0:01:36] } 22... Rab8 { [%eval 0.0] [%clk 0:01:02] } 23. Qxa6 { [%eval 0.0] } 23... Nxa6 { [%eval 0.0] [%clk 0:01:04] } 24. Bc3 { [%eval 0.02] [%clk 0:01:30] } 24... c4? { [%eval 1.15] } { Mistake. f5 was best. } { [%clk 0:00:53] } 25. Nd2 { [%eval 1.2] [%clk 0:01:24] } 25... Ndc5?! { [%eval 2.11] } { Inaccuracy. Bxc3 was best. } { [%clk 0:00:29] } 26. Bxg7 { [%eval 2.17] [%clk 0:01:24] } 26... Kxg7 { [%eval 2.07] } 27. Nxc5 { [%eval 2.29] [%clk 0:01:24] } 27... Nxc5 { [%eval 2.16] [%clk 0:00:28] } 28. Nxc4 { [%eval 2.18] [%clk 0:01:21] } 28... Nxe4 { [%eval 2.26] [%clk 0:00:20] } 29. a6 { [%eval 1.95] [%clk 0:01:15] } 29... Ra7 { [%eval 2.4] [%clk 0:00:21] } 30. b4 { [%eval 2.21] [%clk 0:01:15] } 30... Rb5 { [%eval 2.29] [%clk 0:00:16] } 31. Rbb3 { [%eval 2.26] [%clk 0:00:51] } 31... e6 { [%eval 2.78] [%clk 0:00:15] } 32. dxe6 { [%eval 2.87] [%clk 0:00:44] } 32... d5 { [%eval 3.43] [%clk 0:00:16] } 33. e7 { [%eval 3.34] [%clk 0:00:43] } 33... Rxe7 { [%eval 3.35] [%clk 0:00:15] } 34. a7 { [%eval 3.03] [%clk 0:00:27] } 34... Rxa7 { [%eval 3.07] [%clk 0:00:16] } 35. Rxa7 { [%eval 3.01] [%clk 0:00:28] } 35... dxc4 { [%eval 3.06] [%clk 0:00:16] } 36. Re3 { [%eval 2.98] [%clk 0:00:30] } 36... Nd6 { [%eval 2.97] [%clk 0:00:07] } 37. Ra4 { [%eval 3.03] [%clk 0:00:29] } 37... Nf5 { [%eval 3.31] [%clk 0:00:05] } 38. Rc3 { [%eval 3.33] [%clk 0:00:30] } 38... Nd6 { [%eval 3.26] [%clk 0:00:05] } 39. Ra6 { [%eval 2.72] [%clk 0:00:30] } 39... Rd5?! { [%eval 3.63] } { Inaccuracy. Ne4 was best. } { [%clk 0:00:05] } 40. Kg2 { [%eval 3.42] [%clk 0:00:29] } 40... Kf8 { [%eval 3.5] [%clk 0:00:05] } 41. Rc6 { [%eval 3.45] [%clk 0:00:28] } 41... Ke7 { [%eval 3.58] [%clk 0:00:05] } 42. Rc5 { [%eval 3.58] [%clk 0:00:29] } 42... Rd4 { [%eval 3.53] [%clk 0:00:06] } 43. b5 { [%eval 3.43] [%clk 0:00:28] } 43... Ne4? { [%eval 5.41] } { Mistake. Rd2 was best. } { [%clk 0:00:07] } 44. R3xc4 { [%eval 5.38] [%clk 0:00:29] } 1-0