Event: Round 4: Samunenkov, Ihor - Kovalenko, Igor
Site: https://lichess.org/broadcast/marble-palace-challenge-2025--classical/round-4/c03Y9fe0/MU80OL0m
White: Samunenkov, Ihor
WhiteTitle: GM
WhiteElo: 2548
Black: Kovalenko, Igor
BlackTitle: GM
BlackElo: 2676
Result: 0-1
ECO: E05
Opening: Catalan Opening: Open Defense, Classical Line
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:38] } 1... Nf6 { [%eval 0.19] [%clk 1:30:54] } 2. c4 { [%eval 0.18] [%clk 1:30:57] } 2... e6 { [%eval 0.14] [%clk 1:30:10] } 3. g3 { [%eval 0.13] [%clk 1:31:19] } 3... d5 { [%eval 0.12] [%clk 1:30:34] } 4. Nf3 { [%eval 0.16] [%clk 1:31:44] } 4... Be7 { [%eval 0.2] [%clk 1:28:47] } 5. Bg2 { [%eval 0.16] [%clk 1:32:06] } 5... O-O { [%eval 0.22] [%clk 1:29:13] } 6. O-O { [%eval 0.2] [%clk 1:32:25] } 6... dxc4 { [%eval 0.16] [%clk 1:29:41] } 7. Qc2 { [%eval 0.1] [%clk 1:32:47] } 7... a6 { [%eval 0.17] [%clk 1:30:07] } 8. a4 { [%eval 0.2] [%clk 1:33:11] } 8... h6 { [%eval 0.4] [%clk 1:30:33] } 9. Rd1 { [%eval 0.41] [%clk 1:33:27] } 9... Nc6 { [%eval 0.43] [%clk 1:30:52] } 10. Bd2 { [%eval 0.44] [%clk 1:33:50] } 10... Nxd4 { [%eval 0.54] [%clk 1:31:01] } 11. Nxd4 { [%eval 0.5] [%clk 1:34:12] } 11... Qxd4 { [%eval 0.42] [%clk 1:31:29] } 12. Bb4 { [%eval 0.48] [%clk 1:34:33] } 12... Qxd1+ { [%eval 0.46] [%clk 1:31:57] } 13. Qxd1 { [%eval 0.49] [%clk 1:34:56] } 13... Bxb4 { [%eval 0.42] [%clk 1:32:24] } 14. Qc2 { [%eval 0.49] [%clk 1:34:54] } 14... Rb8 { [%eval 0.4] [%clk 1:32:20] } 15. Qxc4 { [%eval 0.44] [%clk 1:35:15] } 15... Bd6 { [%eval 0.51] [%clk 1:32:48] } 16. Qc2 { [%eval 0.44] [%clk 1:35:27] } 16... Bd7 { [%eval 0.47] [%clk 1:26:08] } 17. Nd2 { [%eval 0.53] [%clk 1:35:43] } 17... a5 { [%eval 0.81] [%clk 1:20:17] } 18. e4?! { [%eval 0.0] } { Inaccuracy. Nc4 was best. } { [%clk 1:15:17] } 18... b5 { [%eval 0.04] [%clk 1:15:21] } 19. f4 { [%eval -0.37] [%clk 0:56:59] } 19... Bb4 { [%eval -0.39] [%clk 1:13:48] } 20. b3 { [%eval -0.63] [%clk 0:57:14] } 20... Rfd8 { [%eval -0.54] [%clk 1:11:03] } 21. Nf3? { [%eval -1.77] } { Mistake. Rd1 was best. } { [%clk 0:49:41] } 21... bxa4? { [%eval -0.53] } { Mistake. c5 was best. } { [%clk 1:04:25] } 22. bxa4 { [%eval -0.32] [%clk 0:49:48] } 22... Be8 { [%eval -0.5] [%clk 1:04:49] } 23. Ne1? { [%eval -1.88] } { Mistake. Ne5 was best. } { [%clk 0:30:11] } 23... Ng4 { [%eval -1.46] [%clk 0:56:56] } 24. Bf3 { [%eval -1.65] [%clk 0:17:25] } 24... Ne3 { [%eval -1.69] [%clk 0:54:14] } 25. Qc1 { [%eval -1.7] [%clk 0:17:46] } 25... Bxe1 { [%eval -1.66] [%clk 0:53:07] } 26. Qxe3 { [%eval -1.53] [%clk 0:17:52] } 26... Bd2 { [%eval -1.45] [%clk 0:52:31] } 27. Qc5 { [%eval -1.87] [%clk 0:15:12] } 27... Rb2?! { [%eval -0.99] } { Inaccuracy. Rd3 was best. } { [%clk 0:36:43] } 28. Qa3? { [%eval -2.71] } { Mistake. e5 was best. } { [%clk 0:05:40] } 28... Rb4 { [%eval -2.53] [%clk 0:36:41] } 29. Be2?! { [%eval -3.6] } { Inaccuracy. Rf1 was best. } { [%clk 0:03:27] } 29... c5 { [%eval -3.13] [%clk 0:31:53] } 30. Bb5 { [%eval -3.38] [%clk 0:02:35] } 30... c4 { [%eval -3.33] [%clk 0:32:04] } 31. Bxe8 { [%eval -3.54] [%clk 0:01:41] } 31... Rxe8 { [%eval -3.28] [%clk 0:32:31] } 32. Qf3?! { [%eval -4.7] } { Inaccuracy. Ra2 was best. } { [%clk 0:01:24] } 32... Rd8 { [%eval -4.37] [%clk 0:31:13] } 33. Ra2?! { [%eval -5.55] } { Inaccuracy. Kg2 was best. } { [%clk 0:01:20] } 33... c3 { [%eval -5.2] [%clk 0:31:34] } 34. Kg2 { [%eval -5.18] [%clk 0:00:46] } 34... Rdb8 { [%eval -4.92] [%clk 0:31:16] } 35. Qd3 { [%eval -5.13] [%clk 0:00:34] } 35... Rb2 { [%eval -5.04] [%clk 0:31:05] } 36. Rxb2 { [%eval -5.85] [%clk 0:00:42] } 36... cxb2 { [%eval -6.12] [%clk 0:31:23] } 37. Qb1 { [%eval -5.41] [%clk 0:01:07] } 37... Bc3 { [%eval -5.83] [%clk 0:31:24] } 38. e5 { [%eval -6.73] [%clk 0:01:25] } 38... Rb4 { [%eval -5.89] [%clk 0:31:29] } 0-1