Event: Round 6: Aleksandr Ostrovskiy - Dimitar Mardov
Date: 2021-09-05
White: Aleksandr Ostrovskiy
WhiteTitle: IM
Black: Dimitar Mardov
BlackTitle: FM
Result: 1/2-1/2
ECO: A27
Opening: English Opening: King's English Variation, Three Knights System
Variant: Standard

1. c4 { [%eval 0.2] [%clk 1:28:00] } 1... e5 { [%eval 0.12] [%clk 1:30:54] } 2. Nc3 { [%eval 0.16] [%clk 1:28:25] } 2... Nc6 { [%eval 0.4] [%clk 1:31:21] } 3. Nf3 { [%eval 0.04] [%clk 1:28:50] } 3... Bb4 { [%eval 0.43] [%clk 1:27:45] } 4. Qc2 { [%eval 0.19] [%clk 1:22:34] } 4... d6 { [%eval 0.27] [%clk 1:21:03] } 5. e3 { [%eval 0.12] [%clk 1:03:45] } 5... f5 { [%eval 0.55] [%clk 1:16:55] } 6. a3 { [%eval 0.5] [%clk 0:58:36] } 6... Bxc3 { [%eval 0.2] [%clk 1:16:24] } 7. Qxc3 { [%eval 0.15] [%clk 0:58:00] } 7... Nf6 { [%eval 0.31] [%clk 1:13:16] } 8. d4 { [%eval 0.32] [%clk 0:51:37] } 8... Ne4 { [%eval 0.61] [%clk 1:07:56] } 9. Qc2 { [%eval 0.72] [%clk 0:51:10] } 9... Qe7 { [%eval 0.8] [%clk 1:07:14] } 10. dxe5 { [%eval 0.4] [%clk 0:49:03] } 10... Nxe5 { [%eval 0.41] [%clk 1:06:43] } 11. Be2 { [%eval 0.51] [%clk 0:44:29] } 11... O-O { [%eval 0.42] [%clk 1:05:40] } 12. O-O?! { [%eval -0.19] } { Inaccuracy. b4 was best. } { [%clk 0:38:54] } 12... Ng6?! { [%eval 0.35] } { Inaccuracy. Nxf3+ was best. } { [%clk 0:50:57] } 13. b4 { [%eval 0.36] [%clk 0:32:41] } 13... b6 { [%eval 0.64] [%clk 0:49:56] } 14. Nd4?! { [%eval 0.13] } { Inaccuracy. Ne1 was best. } { [%clk 0:23:36] } 14... Bb7 { [%eval 0.39] [%clk 0:42:11] } 15. f3 { [%eval 0.61] [%clk 0:20:32] } 15... c5 { [%eval 0.39] [%clk 0:41:31] } 16. Nb5 { [%eval 0.41] [%clk 0:14:33] } 16... a6 { [%eval 0.25] [%clk 0:35:54] } 17. Nc3 { [%eval 0.38] [%clk 0:14:42] } 17... Nxc3 { [%eval 0.39] [%clk 0:35:42] } 18. Qxc3 { [%eval 0.64] [%clk 0:15:10] } 18... Rae8 { [%eval 0.6] [%clk 0:35:06] } 19. bxc5?! { [%eval 0.0] } { Inaccuracy. Rb1 was best. } { [%clk 0:12:21] } 19... bxc5?! { [%eval 0.78] } { Inaccuracy. dxc5 was best. } { [%clk 0:34:57] } 20. Rb1 { [%eval 0.7] [%clk 0:11:20] } 20... Rf6 { [%eval 0.87] [%clk 0:31:03] } 21. Rf2 { [%eval 0.58] [%clk 0:06:02] } 21... Ne5 { [%eval 0.4] [%clk 0:30:50] } 22. Rb6 { [%eval 0.36] [%clk 0:05:16] } 22... Rg6?! { [%eval 0.98] } { Inaccuracy. Qc7 was best. } { [%clk 0:24:41] } 23. Qb3?! { [%eval 0.37] } { Inaccuracy. a4 was best. } { [%clk 0:03:58] } 23... Bc8 { [%eval 0.41] [%clk 0:24:32] } 24. Qd1 { [%eval 0.28] [%clk 0:03:48] } 24... Qc7 { [%eval 0.25] [%clk 0:20:24] } 25. Rb1 { [%eval 0.19] [%clk 0:03:10] } 25... Be6 { [%eval 0.6] [%clk 0:19:06] } 26. Qa4 { [%eval 0.52] [%clk 0:02:07] } 26... Qf7?! { [%eval 1.45] } { Inaccuracy. Bd7 was best. } { [%clk 0:14:54] } 27. Qxa6?? { [%eval -0.53] } { Blunder. Rb7 was best. } { [%clk 0:01:04] } 27... Bxc4 { [%eval -0.46] [%clk 0:14:38] } 28. Bxc4 { [%eval -0.76] [%clk 0:01:24] } 28... Nxc4 { [%eval -0.75] [%clk 0:14:53] } 29. e4?! { [%eval -1.62] } { Inaccuracy. Rb7 was best. } { [%clk 0:00:33] } 29... d5?! { [%eval -0.93] } { Inaccuracy. fxe4 was best. } { [%clk 0:10:05] } 30. Qa4 { [%eval -1.26] [%clk 0:01:01] } 30... h6? { [%eval 0.0] } { Mistake. fxe4 was best. } { [%clk 0:08:40] } 31. Rb7 { [%eval -0.28] [%clk 0:00:36] } 31... Qxb7 { [%eval 0.0] [%clk 0:05:09] } 32. Qxe8+ { [%eval -0.06] [%clk 0:01:05] } 32... Kh7 { [%eval 0.0] [%clk 0:05:33] } 33. exf5 { [%eval 0.0] [%clk 0:01:21] } 33... Rf6 { [%eval -0.02] [%clk 0:05:17] } 34. g4 { [%eval 0.0] [%clk 0:01:46] } 34... Qb1 { [%eval 0.23] [%clk 0:04:27] } 35. Rf1 { [%eval 0.16] [%clk 0:01:53] } 35... Qd3 { [%eval 0.32] [%clk 0:03:58] } 36. h4 { [%eval 0.47] [%clk 0:01:18] } 36... Rb6 { [%eval 0.79] [%clk 0:03:35] } 37. Kg2 { [%eval 0.62] [%clk 0:00:38] } 37... d4? { [%eval 2.13] } { Mistake. Nd2 was best. } { [%clk 0:03:07] } 38. Re1 { [%eval 2.82] [%clk 0:00:37] } 38... Nd2 { [%eval 3.39] [%clk 0:01:30] } 39. Bxd2 { [%eval 5.61] [%clk 0:00:54] } 39... Qxd2+ { [%eval 4.67] [%clk 0:01:57] } 40. Re2?? { [%eval 1.45] } { Blunder. Kg3 was best. } { [%clk 0:01:20] } 40... Qd3?? { [%eval 4.23] } { Blunder. Qf4 was best. } { [%clk 0:01:11] } 41. h5?? { [%eval 1.0] } { Blunder. Kg3 was best. } { [%clk 0:01:03] } 41... Qb5 { [%eval 0.56] [%clk 0:01:23] } 42. Qe4 { [%eval 0.56] [%clk 0:00:44] } 42... Rf6 { [%eval 0.79] [%clk 0:00:52] } 43. Rd2 { [%eval 0.41] [%clk 0:00:43] } 1/2-1/2