Event: Round 9: Igor Kovalenko - Alexander Donchenko
Date: 2021-08-15
White: Igor Kovalenko
WhiteTitle: GM
Black: Alexander Donchenko
BlackTitle: GM
Result: 0-1
ECO: D38
Opening: Queen's Gambit Declined: Ragozin Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:27:18] } 1... Nf6 { [%eval 0.19] [%clk 1:30:17] } 2. c4 { [%eval 0.11] [%clk 1:27:25] } 2... e6 { [%eval 0.39] [%clk 1:30:32] } 3. Nf3 { [%eval 0.0] [%clk 1:27:40] } 3... d5 { [%eval 0.2] [%clk 1:30:46] } 4. Nc3 { [%eval 0.0] [%clk 1:28:06] } 4... Bb4 { [%eval 0.18] [%clk 1:31:04] } 5. cxd5 { [%eval 0.25] [%clk 1:19:54] } 5... exd5 { [%eval 0.22] [%clk 1:31:09] } 6. Bg5 { [%eval 0.16] [%clk 1:20:19] } 6... h6 { [%eval 0.25] [%clk 1:31:23] } 7. Bh4 { [%eval 0.15] [%clk 1:20:47] } 7... Bf5 { [%eval 0.36] [%clk 1:31:32] } 8. e3 { [%eval 0.25] [%clk 1:11:04] } 8... Nbd7 { [%eval 0.31] [%clk 1:31:18] } 9. Qb3 { [%eval 0.23] [%clk 1:09:10] } 9... Ba5 { [%eval 0.17] [%clk 1:31:25] } 10. Be2 { [%eval 0.12] [%clk 1:01:58] } 10... c6 { [%eval 0.13] [%clk 1:31:20] } 11. O-O { [%eval 0.17] [%clk 1:01:49] } 11... Qb6 { [%eval 0.01] [%clk 1:31:35] } 12. Nd2 { [%eval 0.09] [%clk 1:02:04] } 12... O-O { [%eval 0.0] [%clk 1:31:40] } 13. Rfc1 { [%eval 0.0] [%clk 1:01:26] } 13... Rfe8 { [%eval 0.04] [%clk 1:30:11] } 14. a3 { [%eval -0.22] [%clk 0:58:59] } 14... Qxb3?! { [%eval 0.33] } { Inaccuracy. g5 was best. } { [%clk 1:27:24] } 15. Nxb3 { [%eval 0.25] [%clk 0:59:25] } 15... Bd8 { [%eval 0.11] [%clk 1:27:14] } 16. Bxf6 { [%eval 0.08] [%clk 0:49:04] } 16... Nxf6 { [%eval 0.38] [%clk 1:20:56] } 17. Nc5 { [%eval 0.28] [%clk 0:49:08] } 17... Rb8 { [%eval 0.53] [%clk 1:03:14] } 18. b4 { [%eval 0.48] [%clk 0:48:41] } 18... Be7 { [%eval 0.44] [%clk 1:00:10] } 19. N3a4 { [%eval 0.11] [%clk 0:35:27] } 19... g6 { [%eval 0.12] [%clk 0:54:16] } 20. h3 { [%eval 0.05] [%clk 0:31:54] } 20... h5 { [%eval 0.09] [%clk 0:54:10] } 21. Ra2 { [%eval -0.35] [%clk 0:31:31] } 21... Kf8 { [%eval -0.09] [%clk 0:44:51] } 22. Kf1 { [%eval -0.37] [%clk 0:22:27] } 22... Red8 { [%eval -0.06] [%clk 0:38:36] } 23. Ke1 { [%eval -0.29] [%clk 0:22:21] } 23... Bd6 { [%eval -0.28] [%clk 0:38:04] } 24. Nb2 { [%eval -0.61] [%clk 0:21:36] } 24... b6?! { [%eval 0.0] } { Inaccuracy. g5 was best. } { [%clk 0:33:37] } 25. Na6 { [%eval 0.0] [%clk 0:21:36] } 25... Rbc8 { [%eval 0.22] [%clk 0:34:01] } 26. Nd3 { [%eval -0.19] [%clk 0:21:47] } 26... Re8 { [%eval -0.23] [%clk 0:34:03] } 27. Rac2 { [%eval 0.0] [%clk 0:18:55] } 27... Bd7 { [%eval -0.08] [%clk 0:33:45] } 28. h4 { [%eval -0.25] [%clk 0:11:01] } 28... Ne4 { [%eval 0.0] [%clk 0:31:37] } 29. Kf1 { [%eval -0.17] [%clk 0:10:23] } 29... Rcd8 { [%eval 0.0] [%clk 0:30:33] } 30. Kg1 { [%eval 0.0] [%clk 0:02:40] } 30... Kg7 { [%eval 0.19] [%clk 0:25:10] } 31. g3?? { [%eval -1.58] } { Blunder. a4 was best. } { [%clk 0:02:06] } 31... Re7? { [%eval -0.32] } { Mistake. Nxg3 was best. } { [%clk 0:21:27] } 32. Kg2 { [%eval 0.07] [%clk 0:01:21] } 32... Rh8 { [%eval -0.07] [%clk 0:20:50] } 33. a4 { [%eval -0.28] [%clk 0:00:58] } 33... Rhe8?! { [%eval 0.72] } { Inaccuracy. g5 was best. } { [%clk 0:20:16] } 34. Nf4 { [%eval 0.52] [%clk 0:01:03] } 34... Bxf4 { [%eval 0.67] [%clk 0:14:09] } 35. gxf4 { [%eval 0.56] [%clk 0:01:31] } 35... Nd6 { [%eval 0.51] [%clk 0:12:15] } 36. Bd3 { [%eval 0.53] [%clk 0:01:57] } 36... Rd8 { [%eval 0.68] [%clk 0:11:42] } 37. Kh2 { [%eval 0.56] [%clk 0:00:59] } 37... Kf8 { [%eval 0.69] [%clk 0:07:25] } 38. Rb2?! { [%eval 0.06] } { Inaccuracy. a5 was best. } { [%clk 0:00:35] } 38... Rc8 { [%eval 0.18] [%clk 0:07:32] } 39. Rbc2 { [%eval 0.0] [%clk 0:00:58] } 39... Ree8 { [%eval 0.0] [%clk 0:07:00] } 40. a5 { [%eval 0.14] [%clk 0:01:19] } 40... Red8 { [%eval 0.0] [%clk 0:06:39] } 41. Rc3 { [%eval 0.36] [%clk 0:01:03] } 41... Ke7 { [%eval 0.77] [%clk 0:06:22] } 42. f3 { [%eval 0.51] [%clk 0:01:12] } 42... Bf5 { [%eval 0.73] [%clk 0:02:59] } 43. Bxf5 { [%eval 0.68] [%clk 0:01:07] } 43... Nxf5 { [%eval 0.61] [%clk 0:03:28] } 44. axb6 { [%eval 0.39] [%clk 0:01:26] } 44... axb6 { [%eval 0.37] [%clk 0:03:56] } 45. b5 { [%eval 0.68] [%clk 0:01:48] } 45... Nxh4 { [%eval 0.38] [%clk 0:03:58] } 46. Nb4 { [%eval 0.22] [%clk 0:00:53] } 46... Kf8 { [%eval 0.54] [%clk 0:03:00] } 47. Kg3 { [%eval 0.24] [%clk 0:00:45] } 47... Nf5+ { [%eval 0.21] [%clk 0:03:27] } 48. Kf2 { [%eval 0.0] [%clk 0:01:14] } 48... c5 { [%eval 0.0] [%clk 0:03:19] } 49. dxc5 { [%eval 0.0] [%clk 0:01:39] } 49... d4 { [%eval 0.0] [%clk 0:02:58] } 50. exd4 { [%eval 0.0] [%clk 0:02:05] } 50... Rxd4 { [%eval 0.0] [%clk 0:03:23] } 51. Nc6 { [%eval -0.25] [%clk 0:00:46] } 51... Rd2+ { [%eval -0.25] [%clk 0:03:37] } 52. Ke1 { [%eval -0.58] [%clk 0:01:15] } 52... Rb2 { [%eval -0.86] [%clk 0:03:45] } 53. cxb6 { [%eval -0.78] [%clk 0:01:32] } 53... Rxb5 { [%eval -0.1] [%clk 0:03:51] } 54. Ne5 { [%eval -0.33] [%clk 0:01:52] } 54... Rxc3 { [%eval -0.12] [%clk 0:02:23] } 55. Rxc3 { [%eval -0.67] [%clk 0:02:19] } 55... h4 { [%eval -0.5] [%clk 0:02:40] } 56. Rc2 { [%eval -0.12] [%clk 0:00:42] } 56... Kg7 { [%eval -0.11] [%clk 0:01:55] } 57. Nd7?? { [%eval -4.11] } { Blunder. Rc7 was best. } { [%clk 0:00:33] } 57... Rb1+ { [%eval -4.13] [%clk 0:01:10] } 58. Kd2 { [%eval -4.07] [%clk 0:00:51] } 58... Nd4 { [%eval -4.07] [%clk 0:01:25] } 59. Ra2 { [%eval -3.88] [%clk 0:01:18] } 59... h3 { [%eval -3.92] [%clk 0:01:32] } 60. Ke3 { [%eval -4.09] [%clk 0:01:19] } 60... Nf5+ { [%eval -3.96] [%clk 0:01:46] } 61. Ke4 { [%eval -3.92] [%clk 0:01:48] } 61... Rd1 { [%eval -4.0] [%clk 0:01:27] } 62. b7 { [%eval -3.93] [%clk 0:01:32] } 62... Nd6+ { [%eval -3.93] [%clk 0:00:59] } 63. Ke3 { [%eval -4.11] [%clk 0:02:01] } 63... Nxb7 { [%eval -4.05] [%clk 0:01:23] } 64. Ne5 { [%eval -4.87] [%clk 0:02:28] } 64... Rh1? { [%eval -2.7] } { Mistake. Re1+ was best. } { [%clk 0:00:54] } 65. Kf2?? { [%eval -6.07] } { Blunder. Ng4 was best. } { [%clk 0:00:32] } 65... Rh2+ { [%eval -6.31] [%clk 0:01:17] } 0-1