Event: Cambridge International Open
Site: University Arms Hotel, Cambridge, United Kingdom
Date: 2023-02-15
White: Hebden, Mark L
WhiteElo: 2454
Black: Kovalskyi, Roman
BlackElo: 2111
Result: 1-0
ECO: A05
Opening: King's Indian Attack: Symmetrical Defense
Variant: Standard
TimeControl: All moves in 90 minutes + 30 seconds added per move

1. Nf3 { [%eval 0.36] [%clk 1:30:55] } 1... Nf6 { [%eval 0.29] [%clk 1:29:34] } 2. g3 { [%eval 0.05] [%clk 1:30:18] } 2... g6 { [%eval 0.25] [%clk 1:28:48] } 3. b3 { [%eval -0.13] [%clk 1:27:09] } 3... Bg7 { [%eval 0.28] [%clk 1:28:50] } 4. Bb2 { [%eval 0.12] [%clk 1:27:31] } 4... d5 { [%eval 0.25] [%clk 1:28:41] } 5. Bg2 { [%eval 0.0] [%clk 1:25:18] } 5... c5 { [%eval 0.0] [%clk 1:28:35] } 6. O-O { [%eval 0.0] [%clk 1:24:30] } 6... O-O { [%eval -0.12] [%clk 1:28:40] } 7. c4 { [%eval -0.12] [%clk 1:23:44] } 7... e6 { [%eval 0.23] [%clk 1:26:51] } 8. cxd5 { [%eval 0.15] [%clk 1:22:56] } 8... Nxd5 { [%eval 0.67] [%clk 1:24:58] } 9. Bxg7 { [%eval 0.55] [%clk 1:21:18] } 9... Kxg7 { [%eval 0.64] [%clk 1:25:21] } 10. d4 { [%eval 0.56] [%clk 1:20:49] } 10... Qf6?! { [%eval 1.2] } { Inaccuracy. cxd4 was best. } { [%clk 1:24:31] } 11. e4 { [%eval 1.34] [%clk 1:15:34] } 11... Nb6 { [%eval 1.25] [%clk 1:21:57] } 12. e5 { [%eval 1.27] [%clk 1:13:22] } 12... Qe7 { [%eval 1.34] [%clk 1:22:14] } 13. dxc5 { [%eval 1.17] [%clk 1:11:39] } 13... Qxc5 { [%eval 1.2] [%clk 1:22:17] } 14. Qd2?! { [%eval 0.6] } { Inaccuracy. Nbd2 was best. } { [%clk 1:04:56] } 14... Nc6?! { [%eval 1.37] } { Inaccuracy. Bd7 was best. } { [%clk 1:20:53] } 15. Rc1 { [%eval 1.26] [%clk 1:04:50] } 15... Qe7 { [%eval 1.44] [%clk 1:20:58] } 16. Nc3 { [%eval 1.6] [%clk 1:05:04] } 16... Rd8 { [%eval 1.54] [%clk 1:20:53] } 17. Qe3?! { [%eval 0.53] } { Inaccuracy. Qe2 was best. } { [%clk 0:58:12] } 17... Bd7?! { [%eval 1.45] } { Inaccuracy. Nd5 was best. } { [%clk 1:16:23] } 18. h4?! { [%eval 0.52] } { Inaccuracy. Ne4 was best. } { [%clk 0:56:23] } 18... h6?! { [%eval 1.53] } { Inaccuracy. Nd5 was best. } { [%clk 1:13:31] } 19. Nh2?! { [%eval 0.63] } { Inaccuracy. Ne4 was best. } { [%clk 0:54:01] } 19... Rac8?! { [%eval 1.69] } { Inaccuracy. Nd5 was best. } { [%clk 1:08:32] } 20. Ng4 { [%eval 1.77] [%clk 0:51:19] } 20... Rh8 { [%eval 1.65] [%clk 1:08:09] } 21. Nf6 { [%eval 1.5] [%clk 0:47:08] } 21... Nxe5 { [%eval 1.35] [%clk 1:01:11] } 22. Nh5+ { [%eval 1.29] [%clk 0:46:44] } 22... gxh5 { [%eval 1.44] [%clk 1:01:35] } 23. Qxe5+ { [%eval 1.39] [%clk 0:47:10] } 23... Qf6 { [%eval 1.4] [%clk 1:02:01] } 24. Qxf6+ { [%eval 1.5] [%clk 0:47:24] } 24... Kxf6 { [%eval 1.32] [%clk 1:02:26] } 25. Bxb7 { [%eval 1.49] [%clk 0:47:28] } 25... Rcd8 { [%eval 1.19] [%clk 1:02:51] } 26. Bf3 { [%eval 1.1] [%clk 0:47:39] } 26... Kg6 { [%eval 1.48] [%clk 1:03:12] } 27. Ne2 { [%eval 1.33] [%clk 0:47:01] } 27... e5 { [%eval 1.55] [%clk 1:03:36] } 28. Rc7 { [%eval 1.61] [%clk 0:47:12] } 28... a6 { [%eval 1.85] [%clk 0:58:34] } 29. Rb7 { [%eval 1.41] [%clk 0:46:01] } 29... Rb8? { [%eval 2.69] } { Mistake. Nc8 was best. } { [%clk 0:56:55] } 30. Rd1 { [%eval 2.54] [%clk 0:45:47] } 30... Bg4 { [%eval 3.2] [%clk 0:50:43] } 31. Rd6+ { [%eval 3.01] [%clk 0:39:07] } 31... Kg7 { [%eval 3.23] [%clk 0:51:04] } 32. Rdxb6 { [%eval 3.26] [%clk 0:39:21] } 32... Rxb7 { [%eval 3.25] [%clk 0:51:26] } 33. Bxb7 { [%eval 3.18] [%clk 0:39:46] } 33... Rb8 { [%eval 3.5] [%clk 0:45:27] } 34. Kf1 { [%eval 3.06] [%clk 0:38:17] } 34... Bc8 { [%eval 2.94] [%clk 0:44:11] } 35. Bxc8 { [%eval 3.24] [%clk 0:32:47] } 35... Rxb6 { [%eval 2.86] [%clk 0:44:35] } 36. Ke1 { [%eval 2.78] [%clk 0:32:39] } 36... Kg6 { [%eval 3.25] [%clk 0:39:52] } 37. Nc3 { [%eval 3.11] [%clk 0:22:27] } 37... Rc6 { [%eval 3.65] [%clk 0:31:16] } 38. Nd5 { [%eval 3.53] [%clk 0:22:37] } 38... Rc5 { [%eval 3.52] [%clk 0:31:41] } 39. Bb7 { [%eval 3.53] [%clk 0:22:57] } 39... a5 { [%eval 3.47] [%clk 0:32:02] } 40. Kd2 { [%eval 3.12] [%clk 0:18:52] } 40... f5 { [%eval 3.81] [%clk 0:27:23] } 41. a4 { [%eval 4.1] [%clk 0:15:28] } 41... Kf7 { [%eval 4.01] [%clk 0:25:11] } 42. Ne3 { [%eval 4.25] [%clk 0:15:03] } 42... Kg6 { [%eval 4.04] [%clk 0:24:40] } 43. Nc4 { [%eval 3.97] [%clk 0:15:09] } 43... f4?! { [%eval 5.56] } { Inaccuracy. Kf6 was best. } { [%clk 0:22:57] } 44. Be4+ { [%eval 5.44] [%clk 0:15:08] } 44... Kf6 { [%eval 5.29] [%clk 0:23:15] } 45. Kc3 { [%eval 4.47] [%clk 0:14:57] } 45... fxg3 { [%eval 4.73] [%clk 0:22:21] } 46. fxg3 { [%eval 4.45] [%clk 0:15:26] } 46... Rc7 { [%eval 4.87] [%clk 0:22:50] } 47. b4 { [%eval 4.78] [%clk 0:15:39] } 47... axb4+ { [%eval 4.89] } 48. Kxb4 { [%eval 4.77] [%clk 0:16:07] } 48... Rg7 { [%eval 5.02] [%clk 0:20:24] } 49. a5 { [%eval 4.92] [%clk 0:16:09] } 49... Rxg3 { [%eval 5.67] [%clk 0:20:44] } 50. a6 { [%eval 5.65] [%clk 0:16:19] } 50... Rg7 { [%eval 5.7] [%clk 0:21:07] } 51. Kb5 { [%eval 5.85] [%clk 0:15:30] } 51... Rc7 { [%eval 5.7] [%clk 0:21:09] } 52. Nd6 { [%eval 5.55] [%clk 0:12:58] } 52... Ke6 { [%eval 6.72] [%clk 0:17:06] } 53. Nb7 { [%eval 6.74] [%clk 0:12:57] } 53... Rg7 { [%eval 8.46] [%clk 0:16:42] } 54. a7 { [%eval 6.76] [%clk 0:11:17] } 54... Rg8 { [%eval 8.27] [%clk 0:17:07] } 55. Na5 { [%eval 7.06] [%clk 0:10:38] } 55... Kf6 { [%eval 6.86] [%clk 0:16:41] } 56. Nc4 { [%eval 6.81] [%clk 0:10:23] } 56... Ke6 { [%eval 6.78] [%clk 0:16:50] } 57. Nb6 { [%eval 9.09] [%clk 0:10:07] } 57... Rf8 { [%eval 10.22] [%clk 0:16:11] } 58. Kc5 { [%eval 9.0] [%clk 0:09:36] } 58... Rh8 { [%eval 10.17] [%clk 0:16:18] } 59. Bb7 { [%eval 8.63] [%clk 0:08:14] } 59... Kf5 { [%eval 10.03] [%clk 0:16:11] } 60. Bc8+ { [%eval 10.46] [%clk 0:08:28] } 60... Kf4 { [%eval 9.66] [%clk 0:16:32] } 61. a8=Q { [%eval 11.55] [%clk 0:08:37] } 1-0