Event: Serbia Chess Open | Masters
Site: chess24.com
Date: 2021-07-08
White: Kovalenko, Igor
WhiteTitle: GM
WhiteElo: 2643
Black: Warmerdam, Max
BlackTitle: GM
BlackElo: 2535
Result: 0-1
ECO: A01
Opening: Nimzo-Larsen Attack: Classical Variation
Variant: Standard

1. b3 { [%eval 0.0] [%clk 1:30:53] } 1... d5 { [%eval 0.36] [%clk 1:30:03] } 2. Bb2 { [%eval 0.09] [%clk 1:31:20] } 2... Bg4 { [%eval 0.07] [%clk 1:30:28] } 3. f3 { [%eval -0.21] [%clk 1:31:46] } 3... Bf5 { [%eval -0.12] [%clk 1:30:53] } 4. e3 { [%eval -0.45] [%clk 1:31:51] } 4... e6 { [%eval 0.0] [%clk 1:27:14] } 5. Nc3 { [%eval -0.15] [%clk 1:30:29] } 5... Nf6 { [%eval 0.18] [%clk 1:25:36] } 6. Nge2 { [%eval -0.24] [%clk 1:29:35] } 6... h6 { [%eval -0.02] [%clk 1:24:43] } 7. d4 { [%eval 0.0] [%clk 1:28:35] } 7... c5 { [%eval -0.05] [%clk 1:22:09] } 8. Qd2 { [%eval 0.03] [%clk 1:16:25] } 8... Nc6 { [%eval -0.18] [%clk 1:21:10] } 9. Na4?! { [%eval -0.72] } { Inaccuracy. O-O-O was best. } { [%clk 1:14:47] } 9... cxd4 { [%eval -0.25] [%clk 1:06:57] } 10. Nxd4 { [%eval -0.39] [%clk 1:15:08] } 10... Nxd4 { [%eval -0.18] [%clk 1:06:56] } 11. Qxd4 { [%eval -0.09] [%clk 1:12:50] } 11... Bd6 { [%eval 0.0] [%clk 0:59:15] } 12. O-O-O { [%eval -0.33] [%clk 0:21:18] } 12... O-O { [%eval -0.21] [%clk 0:54:53] } 13. g4 { [%eval -0.56] [%clk 0:20:21] } 13... Bg6 { [%eval -0.63] [%clk 0:54:05] } 14. Kb1 { [%eval -0.53] [%clk 0:12:47] } 14... Qc7 { [%eval -0.63] [%clk 0:36:09] } 15. Rc1 { [%eval -0.9] [%clk 0:13:08] } 15... Rfc8 { [%eval -1.11] [%clk 0:35:37] } 16. g5? { [%eval -2.69] } { Mistake. h4 was best. } { [%clk 0:10:59] } 16... hxg5 { [%eval -3.18] [%clk 0:31:26] } 17. h4 { [%eval -3.26] [%clk 0:11:28] } 17... g4 { [%eval -3.59] [%clk 0:30:14] } 18. h5?! { [%eval -4.91] } { Inaccuracy. fxg4 was best. } { [%clk 0:11:31] } 18... e5?? { [%eval -0.61] } { Blunder. Bxc2+ was best. } { [%clk 0:28:56] } 19. Qd2?! { [%eval -1.15] } { Inaccuracy. Qd1 was best. } { [%clk 0:10:12] } 19... Nxh5 { [%eval -0.28] [%clk 0:28:41] } 20. Bd3 { [%eval -0.35] [%clk 0:03:28] } 20... e4 { [%eval -0.69] [%clk 0:16:42] } 21. fxe4 { [%eval -0.07] [%clk 0:03:55] } 21... dxe4 { [%eval -0.64] [%clk 0:17:07] } 22. Be2 { [%eval -0.32] [%clk 0:04:17] } 22... Ng3 { [%eval -0.48] [%clk 0:16:31] } 23. Bxg4? { [%eval -1.9] } { Mistake. Rh4 was best. } { [%clk 0:04:43] } 23... Nxh1 { [%eval -1.84] [%clk 0:16:37] } 24. Rxh1 { [%eval -1.61] [%clk 0:05:01] } 24... b5 { [%eval -1.74] [%clk 0:14:59] } 25. Bxc8 { [%eval -2.05] [%clk 0:02:01] } 25... Rxc8 { [%eval -2.21] [%clk 0:15:18] } 26. Qd4?! { [%eval -3.04] } { Inaccuracy. Rd1 was best. } { [%clk 0:02:04] } 26... f6 { [%eval -2.8] [%clk 0:08:35] } 27. Qd5+ { [%eval -2.88] [%clk 0:02:32] } 27... Bf7 { [%eval -2.96] [%clk 0:08:55] } 28. Qxb5 { [%eval -2.73] [%clk 0:02:59] } 28... Qxc2+ { [%eval -2.96] [%clk 0:09:13] } 29. Ka1 { [%eval -2.97] [%clk 0:03:28] } 29... Qg2 { [%eval -3.21] [%clk 0:09:20] } 30. Rd1 { [%eval -3.21] [%clk 0:02:52] } 30... Qf3? { [%eval -1.62] } { Mistake. Rc2 was best. } { [%clk 0:09:38] } 31. Rb1 { [%eval -1.58] [%clk 0:02:29] } 31... Rc7 { [%eval -1.22] [%clk 0:05:19] } 32. Qb8+ { [%eval -1.81] [%clk 0:02:01] } 32... Kh7 { [%eval -1.15] [%clk 0:05:43] } 33. Qd8 { [%eval -1.21] [%clk 0:02:21] } 33... Bg3 { [%eval -1.51] [%clk 0:05:47] } 34. Nc3 { [%eval -1.62] [%clk 0:02:05] } 34... Be5 { [%eval -1.63] [%clk 0:05:47] } 35. Qd2?! { [%eval -2.79] } { Inaccuracy. Ne2 was best. } { [%clk 0:02:23] } 35... Be6? { [%eval -1.3] } { Mistake. Rc5 was best. } { [%clk 0:05:52] } 36. Nb5 { [%eval -1.11] [%clk 0:02:33] } 36... Rd7 { [%eval -1.43] [%clk 0:05:39] } 37. Nd4 { [%eval -1.0] [%clk 0:03:00] } 37... Qh3 { [%eval -1.4] [%clk 0:04:44] } 38. Rg1 { [%eval -1.73] [%clk 0:02:08] } 38... Bg4 { [%eval -1.72] [%clk 0:04:04] } 39. Qc1 { [%eval -1.86] [%clk 0:01:40] } 39... Rc7?! { [%eval -1.19] } { Inaccuracy. Bh2 was best. } { [%clk 0:03:20] } 40. Qe1 { [%eval -1.56] [%clk 0:15:34] } 40... Bf3 { [%eval -1.54] [%clk 0:18:08] } 41. Qd2? { [%eval -3.32] } { Mistake. Nxf3 was best. } { [%clk 0:10:06] } 41... Bh2? { [%eval -1.93] } { Mistake. Qh2 was best. } { [%clk 0:13:08] } 42. Rb1 { [%eval -1.85] [%clk 0:10:20] } 42... Qg2 { [%eval -1.77] [%clk 0:08:55] } 43. Qa5 { [%eval -1.84] [%clk 0:10:41] } 43... Be5 { [%eval -1.69] [%clk 0:09:12] } 44. a4 { [%eval -1.34] [%clk 0:10:16] } 44... Bh5 { [%eval -1.29] [%clk 0:08:43] } 45. Ka2? { [%eval -3.05] } { Mistake. Qb5 was best. } { [%clk 0:08:27] } 45... Bf7 { [%eval -2.98] [%clk 0:08:33] } 46. Ka3 { [%eval -2.53] [%clk 0:07:02] } 46... Bd6+ { [%eval -2.56] [%clk 0:08:08] } 47. Ka2 { [%eval -3.28] [%clk 0:07:29] } 47... Be5 { [%eval -2.55] [%clk 0:07:46] } 48. Ka3 { [%eval -2.19] [%clk 0:07:50] } 48... Rb7 { [%eval -1.75] [%clk 0:05:39] } 49. Qc5 { [%clk 0:03:17] } 49... a6 { [%clk 0:02:03] } 50. Qc6 { [%clk 0:02:33] } 50... Rb8 { [%clk 0:01:37] } 51. Bc3 { [%clk 0:01:54] } 51... Kg8 { [%clk 0:01:44] } 52. Nf5 { [%clk 0:00:43] } 52... Qc2 { [%clk 0:00:48] } 53. Ne7+ { [%clk 0:01:10] } 53... Kh8 { [%clk 0:01:06] } 54. Rh1+ { [%clk 0:01:08] } 54... Bh2 { [%clk 0:01:31] } 55. Rxh2+ { [%clk 0:01:22] } 55... Qxh2 { [%clk 0:01:56] } 56. Bb4 { [%clk 0:01:49] } 56... a5 { [%clk 0:02:05] } 0-1