Event: Round 4: Kovchan, Alexander - Marrero Rodriguez, Jorge
Date: 2024-03-26
White: Kovchan, Alexander
WhiteTitle: GM
WhiteElo: 2477
Black: Marrero Rodriguez, Jorge
BlackElo: 2177
Result: 1-0
ECO: C80
Opening: Ruy Lopez: Open, Bernstein Variation
Variant: Standard

1. e4 { [%eval 0.13] [%clk 1:30:55] } 1... e5 { [%eval 0.17] [%clk 1:30:48] } 2. Nf3 { [%eval 0.21] [%clk 1:31:20] } 2... Nc6 { [%eval 0.13] [%clk 1:31:14] } 3. Bb5 { [%eval 0.21] [%clk 1:31:35] } 3... a6 { [%eval 0.21] [%clk 1:31:09] } 4. Ba4 { [%eval 0.31] [%clk 1:31:56] } 4... Nf6 { [%eval 0.14] [%clk 1:31:21] } 5. O-O { [%eval 0.24] [%clk 1:32:10] } 5... Nxe4 { [%eval 0.51] [%clk 1:31:40] } 6. d4 { [%eval 0.21] [%clk 1:32:04] } 6... b5 { [%eval 0.2] [%clk 1:32:02] } 7. Bb3 { [%eval 0.21] [%clk 1:32:26] } 7... d5 { [%eval 0.43] [%clk 1:32:28] } 8. dxe5 { [%eval 0.46] [%clk 1:32:32] } 8... Be6 { [%eval 0.31] [%clk 1:32:53] } 9. Nbd2 { [%eval 0.29] [%clk 1:31:51] } 9... Nc5 { [%eval 0.3] [%clk 1:32:54] } 10. c3 { [%eval 0.23] [%clk 1:31:32] } 10... d4 { [%eval 0.37] [%clk 1:33:11] } 11. Bxe6 { [%eval 0.4] [%clk 1:30:19] } 11... Nxe6 { [%eval 0.29] [%clk 1:33:30] } 12. cxd4 { [%eval 0.4] [%clk 1:29:33] } 12... Ncxd4 { [%eval 0.42] [%clk 1:33:53] } 13. Nxd4 { [%eval -0.02] [%clk 1:29:25] } 13... Qxd4 { [%eval -0.02] [%clk 1:30:52] } 14. Qf3 { [%eval 0.0] [%clk 1:28:45] } 14... Rd8 { [%eval -0.02] [%clk 1:29:47] } 15. Qc6+ { [%eval -0.03] [%clk 1:28:43] } 15... Qd7 { [%eval 0.01] [%clk 1:30:14] } 16. Qxa6 { [%eval 0.04] [%clk 1:28:54] } 16... Qd5 { [%eval 0.02] [%clk 1:30:27] } 17. Qa5 { [%eval -0.01] [%clk 1:23:36] } 17... Nd4?! { [%eval 0.63] } { Inaccuracy. Qxe5 was best. } { [%clk 1:25:40] } 18. Nb3 { [%eval 0.58] [%clk 1:10:02] } 18... Nc6?! { [%eval 1.39] } { Inaccuracy. Ne6 was best. } { [%clk 1:09:58] } 19. Qxc7 { [%eval 1.28] [%clk 1:07:44] } 19... Nxe5 { [%eval 1.26] [%clk 1:10:08] } 20. Bf4 { [%eval 1.28] [%clk 0:56:25] } 20... Bd6 { [%eval 1.46] [%clk 1:08:35] } 21. Qc3 { [%eval 1.45] [%clk 0:56:22] } 21... b4? { [%eval 2.92] } { Mistake. O-O was best. } { [%clk 0:51:50] } 22. Qg3 { [%eval 2.81] [%clk 0:43:34] } 22... O-O { [%eval 2.96] [%clk 0:51:00] } 23. Rad1 { [%eval 2.89] [%clk 0:40:03] } 23... Qe4 { [%eval 2.92] [%clk 0:51:20] } 24. Rd4 { [%eval 2.94] [%clk 0:37:58] } 24... Qe2 { [%eval 2.92] [%clk 0:51:11] } 25. Rxd6 { [%eval 2.94] [%clk 0:35:16] } 25... Rxd6 { [%eval 3.03] [%clk 0:51:17] } 26. Bxe5 { [%eval 3.0] [%clk 0:35:39] } 26... Rg6 { [%eval 2.88] [%clk 0:51:44] } 27. Qe3 { [%eval 2.92] [%clk 0:34:37] } 27... Qa6 { [%eval 2.88] [%clk 0:52:09] } 28. Qd4 { [%eval 3.09] [%clk 0:33:08] } 28... Qb5 { [%eval 3.08] [%clk 0:48:13] } 29. Bg3 { [%eval 3.05] [%clk 0:31:53] } 29... Re8 { [%eval 3.01] [%clk 0:47:22] } 30. Nc1 { [%eval 2.9] [%clk 0:31:37] } 30... Rc6 { [%eval 3.04] [%clk 0:46:55] } 31. Bf4 { [%eval 3.22] [%clk 0:28:42] } 31... Rc4 { [%eval 3.22] [%clk 0:45:04] } 32. Qd3 { [%eval 3.18] [%clk 0:28:27] } 32... Qc6 { [%eval 3.11] [%clk 0:44:56] } 33. Be3 { [%eval 3.25] [%clk 0:27:54] } 33... Rc2 { [%eval 3.21] [%clk 0:44:24] } 34. Qb3 { [%eval 3.3] [%clk 0:27:27] } 34... h5 { [%eval 3.58] [%clk 0:44:39] } 35. a3? { [%eval 2.15] } { Mistake. h3 was best. } { [%clk 0:20:50] } 35... Re4?! { [%eval 3.19] } { Inaccuracy. bxa3 was best. } { [%clk 0:39:59] } 36. axb4 { [%eval 3.29] [%clk 0:16:24] } 36... Rg4 { [%eval 3.16] [%clk 0:34:46] } 37. g3 { [%eval 3.06] [%clk 0:16:52] } 37... h4 { [%eval 3.19] [%clk 0:34:42] } 38. b5 { [%eval 3.11] [%clk 0:17:20] } 38... Qf3?! { [%eval 4.72] } { Inaccuracy. Qg6 was best. } { [%clk 0:35:03] } 39. Qxc2 { [%eval 4.77] [%clk 0:17:17] } 39... h3?! { [%eval 6.13] } { Inaccuracy. hxg3 was best. } { [%clk 0:34:51] } 40. Qc6 { [%eval 5.95] [%clk 0:17:21] } 1-0