Event: Round 5: Sergei Lobanov - Vladislav Kovalev
Date: 2023-07-24
White: Sergei Lobanov
Black: Vladislav Kovalev
Result: 0-1
ECO: E49
Opening: Nimzo-Indian Defense: Normal Variation, Botvinnik System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:25:12] } 1... Nf6 { [%eval 0.28] [%clk 1:30:51] } 2. c4 { [%eval 0.16] [%clk 1:25:29] } 2... e6 { [%eval 0.23] [%clk 1:31:03] } 3. Nc3 { [%eval 0.05] [%clk 1:25:54] } 3... Bb4 { [%eval 0.25] [%clk 1:29:04] } 4. e3 { [%eval 0.0] [%clk 1:25:28] } 4... O-O { [%eval 0.21] [%clk 1:29:04] } 5. Bd3 { [%eval 0.04] [%clk 1:25:48] } 5... d5 { [%eval 0.12] [%clk 1:27:48] } 6. a3 { [%eval 0.02] [%clk 1:26:03] } 6... Bxc3+ { [%eval 0.01] [%clk 1:21:26] } 7. bxc3 { [%eval 0.18] [%clk 1:25:56] } 7... dxc4 { [%eval 0.0] [%clk 1:21:23] } 8. Bxc4 { [%eval 0.17] [%clk 1:26:22] } 8... c5 { [%eval 0.07] [%clk 1:21:48] } 9. Ne2 { [%eval 0.03] [%clk 1:26:23] } 9... Qc7 { [%eval 0.07] [%clk 1:16:45] } 10. Bd3 { [%eval 0.01] [%clk 1:26:15] } 10... Nc6 { [%eval -0.09] [%clk 1:16:43] } 11. O-O { [%eval 0.01] [%clk 1:25:03] } 11... e5 { [%eval 0.04] [%clk 1:12:20] } 12. Ng3 { [%eval 0.05] [%clk 1:24:08] } 12... Re8 { [%eval 0.06] [%clk 1:03:14] } 13. Qc2 { [%eval 0.03] [%clk 1:10:23] } 13... h6 { [%eval 0.36] [%clk 0:54:50] } 14. Bb2 { [%eval 0.18] [%clk 0:58:49] } 14... Qe7 { [%eval 0.28] [%clk 0:47:25] } 15. Rae1 { [%eval 0.21] [%clk 0:47:25] } 15... Bd7 { [%eval 0.19] [%clk 0:32:45] } 16. Ne4 { [%eval -0.01] [%clk 0:39:02] } 16... Nxe4 { [%eval 0.19] [%clk 0:07:30] } 17. Bxe4 { [%eval 0.2] [%clk 0:39:21] } 17... Na5 { [%eval 0.71] [%clk 0:04:52] } 18. c4 { [%eval 0.69] [%clk 0:37:55] } 18... Rad8 { [%eval 0.86] [%clk 0:03:07] } 19. dxe5 { [%eval 0.53] [%clk 0:28:42] } 19... Be6 { [%eval 0.44] [%clk 0:03:33] } 20. f4 { [%eval 0.46] [%clk 0:29:09] } 20... Nxc4 { [%eval 0.34] [%clk 0:01:09] } 21. f5?? { [%eval -1.33] } { Blunder. Bc3 was best. } { [%clk 0:28:10] } 21... Rd2 { [%eval -1.48] [%clk 0:01:38] } 22. fxe6 { [%eval -1.39] [%clk 0:15:01] } 22... Qxe6 { [%eval -1.55] [%clk 0:02:07] } 23. Qc3 { [%eval -2.03] [%clk 0:02:44] } 23... Rxb2 { [%eval -2.25] [%clk 0:02:33] } 24. Bc2 { [%eval -2.8] [%clk 0:03:13] } 24... b5 { [%eval -2.63] [%clk 0:02:15] } 25. Qd3 { [%eval -2.99] [%clk 0:03:35] } 25... Nxe5? { [%eval -1.28] } { Mistake. g6 was best. } { [%clk 0:01:34] } 26. Qh7+ { [%eval -1.22] [%clk 0:03:57] } 26... Kf8 { [%eval -1.32] [%clk 0:02:04] } 27. Bf5 { [%eval -1.14] [%clk 0:03:47] } 27... Qc6? { [%eval 0.0] } { Mistake. Qd6 was best. } { [%clk 0:01:05] } 28. Be4?! { [%eval -0.72] } { Inaccuracy. Qh8+ was best. } { [%clk 0:04:09] } 28... Qe6 { [%eval -0.68] [%clk 0:01:00] } 29. Qh8+ { [%eval -0.56] [%clk 0:04:18] } 29... Ke7 { [%eval -0.8] [%clk 0:01:29] } 30. Qxg7 { [%eval -0.63] [%clk 0:04:47] } 30... Kd8?? { [%eval 1.78] } { Blunder. Rd2 was best. } { [%clk 0:00:39] } 31. Rd1+ { [%eval 2.06] [%clk 0:02:48] } 31... Kc7 { [%eval 1.91] [%clk 0:01:07] } 32. Bd5 { [%eval 2.03] [%clk 0:02:19] } 32... Qe7 { [%eval 2.0] [%clk 0:01:08] } 33. Bxf7?? { [%eval -0.03] } { Blunder. Qxh6 was best. } { [%clk 0:02:27] } 33... Rf8?! { [%eval 0.84] } { Inaccuracy. Rd8 was best. } { [%clk 0:00:46] } 34. Rf5 { [%eval 0.85] [%clk 0:02:44] } 34... Kb6 { [%eval 0.78] [%clk 0:00:35] } 35. Rdf1 { [%eval 0.67] [%clk 0:01:57] } 35... Nc4 { [%eval 0.61] [%clk 0:00:32] } 36. Qxh6+?! { [%eval 0.0] } { Inaccuracy. e4 was best. } { [%clk 0:00:42] } 36... Ka5 { [%eval 0.0] [%clk 0:00:55] } 37. Kh1?? { [%eval -5.31] } { Blunder. Bxc4 was best. } { [%clk 0:00:53] } 37... Nxe3?? { [%eval -2.0] } { Blunder. Rxf7 was best. } { [%clk 0:00:52] } 38. Rf6 { [%eval -1.87] [%clk 0:00:37] } 38... Qb7 { [%eval -1.78] [%clk 0:01:18] } 39. Ra6+ { [%eval -1.79] } 39... Qxa6 { [%eval -1.82] [%clk 0:01:44] } 40. Qxf8?? { [%eval -6.37] } { Blunder. Qxe3 was best. } { [%clk 0:00:55] } 40... Qc6?! { [%eval -4.89] } { Inaccuracy. Qf6 was best. } { [%clk 0:00:44] } 41. Qd8+?! { [%eval -6.39] } { Inaccuracy. Qg7 was best. } { [%clk 0:00:46] } 41... Ka4 { [%eval -6.35] [%clk 0:00:56] } 42. Qh4+ { [%eval -8.29] [%clk 0:00:34] } 42... c4 { [%eval -12.29] [%clk 0:01:18] } 0-1