Event: Round 6: Michael Song - Aleksandr Ostrovskiy
Date: 2022-05-07
White: Michael Song
WhiteTitle: IM
Black: Aleksandr Ostrovskiy
BlackTitle: IM
Result: 1-0
ECO: E48
Opening: Nimzo-Indian Defense: Normal Variation, Classical Defense
Variant: Standard

1. d4 { [%eval 0.21] [%clk 1:30:57] } 1... Nf6 { [%eval 0.23] [%clk 1:28:25] } 2. c4 { [%eval 0.2] [%clk 1:31:12] } 2... e6 { [%eval 0.23] [%clk 1:28:50] } 3. Nc3 { [%eval 0.05] [%clk 1:31:16] } 3... Bb4 { [%eval 0.25] [%clk 1:29:13] } 4. e3 { [%eval 0.0] [%clk 1:31:31] } 4... O-O { [%eval 0.21] [%clk 1:29:26] } 5. Bd3 { [%eval 0.0] [%clk 1:31:12] } 5... d5 { [%eval 0.12] [%clk 1:28:36] } 6. cxd5 { [%eval 0.0] [%clk 1:29:31] } 6... exd5 { [%eval 0.0] [%clk 1:26:30] } 7. a3 { [%eval 0.0] [%clk 1:29:43] } 7... Bd6 { [%eval 0.0] [%clk 1:24:33] } 8. Nge2 { [%eval -0.06] [%clk 1:29:42] } 8... Re8 { [%eval -0.09] [%clk 1:22:56] } 9. Qc2 { [%eval -0.11] [%clk 1:30:01] } 9... c6 { [%eval -0.03] [%clk 1:09:49] } 10. Bd2 { [%eval -0.07] [%clk 1:27:56] } 10... Nbd7 { [%eval 0.0] [%clk 1:09:33] } 11. f3 { [%eval -0.16] [%clk 1:26:23] } 11... c5 { [%eval 0.02] [%clk 1:06:45] } 12. h4 { [%eval -0.24] [%clk 1:22:44] } 12... a6 { [%eval -0.2] [%clk 1:00:23] } 13. h5 { [%eval -0.47] [%clk 1:13:13] } 13... Nf8?! { [%eval 0.25] } { Inaccuracy. h6 was best. } { [%clk 0:54:18] } 14. g4 { [%eval 0.37] [%clk 1:09:36] } 14... Ne6 { [%eval 0.57] [%clk 0:51:25] } 15. dxc5 { [%eval 0.26] [%clk 1:02:11] } 15... Bxc5 { [%eval 0.51] [%clk 0:49:37] } 16. O-O-O { [%eval 0.14] [%clk 1:01:24] } 16... Bd7?! { [%eval 1.11] } { Inaccuracy. h6 was best. } { [%clk 0:45:56] } 17. f4 { [%eval 1.14] [%clk 0:47:38] } 17... Nxg4? { [%eval 2.31] } { Mistake. d4 was best. } { [%clk 0:26:46] } 18. Bxh7+ { [%eval 2.29] [%clk 0:47:48] } 18... Kf8 { [%eval 2.53] [%clk 0:26:05] } 19. h6 { [%eval 2.83] [%clk 0:45:09] } 19... Nxh6?! { [%eval 3.78] } { Inaccuracy. Rc8 was best. } { [%clk 0:15:47] } 20. Nxd5 { [%eval 3.58] [%clk 0:43:33] } 20... Bc6 { [%eval 4.42] [%clk 0:06:44] } 21. Bc3?? { [%eval 1.34] } { Blunder. e4 was best. } { [%clk 0:43:54] } 21... Bxd5 { [%eval 1.79] [%clk 0:05:01] } 22. e4 { [%eval 1.72] [%clk 0:44:03] } 22... Bxe4? { [%eval 3.2] } { Mistake. Ba2 was best. } { [%clk 0:01:57] } 23. Bxe4 { [%eval 2.98] [%clk 0:44:23] } 23... Qb6 { [%eval 3.12] [%clk 0:02:16] } 24. f5 { [%eval 3.0] [%clk 0:43:41] } 24... Ng5 { [%eval 3.24] [%clk 0:02:27] } 25. Bd5 { [%eval 3.55] [%clk 0:42:58] } 25... Be7?! { [%eval 5.22] } { Inaccuracy. Be3+ was best. } { [%clk 0:00:36] } 26. Nf4?? { [%eval 1.65] } { Blunder. Bd4 was best. } { [%clk 0:25:25] } 26... Rac8 { [%eval 1.11] [%clk 0:00:39] } 27. Nh5 { [%eval 1.32] [%clk 0:22:05] } 27... Qe3+ { [%eval 1.31] [%clk 0:00:44] } 28. Kb1 { [%eval 1.42] [%clk 0:21:39] } 28... Rxc3 { [%eval 1.43] [%clk 0:01:09] } 29. bxc3 { [%eval 0.91] [%clk 0:21:24] } 29... Rc8?! { [%eval 1.94] } { Inaccuracy. Bxa3 was best. } { [%clk 0:01:11] } 30. f6 { [%eval 1.43] [%clk 0:20:39] } 30... Bxf6?? { [%eval 3.62] } { Blunder. gxf6 was best. } { [%clk 0:00:34] } 31. Nxf6 { [%eval 3.82] [%clk 0:20:52] } 31... Qb6+ { [%eval 3.75] [%clk 0:01:04] } 32. Qb2 { [%eval 3.55] [%clk 0:18:52] } 32... Qxf6 { [%eval 3.74] [%clk 0:01:29] } 33. Qxb7 { [%eval 3.61] [%clk 0:18:08] } 33... Qxc3?! { [%eval 5.48] } { Inaccuracy. Rd8 was best. } { [%clk 0:00:55] } 34. Bb3?? { [%eval 2.18] } { Blunder. Bc6 was best. } { [%clk 0:15:30] } 34... Re8?? { [%eval 5.09] } { Blunder. Ne6 was best. } { [%clk 0:00:36] } 35. Rh4?? { [%eval 1.61] } { Blunder. Ba4 was best. } { [%clk 0:11:12] } 35... Qf6?! { [%eval 2.44] } { Inaccuracy. Qg3 was best. } { [%clk 0:00:36] } 36. Qb4+?! { [%eval 1.37] } { Inaccuracy. Ra4 was best. } { [%clk 0:10:52] } 36... Kg8 { [%eval 1.35] [%clk 0:00:53] } 37. Qd4 { [%eval 1.43] [%clk 0:10:22] } 37... Qg6+ { [%eval 1.86] [%clk 0:00:48] } 38. Bc2 { [%eval 1.84] [%clk 0:09:32] } 38... Rb8+ { [%eval 2.41] [%clk 0:00:33] } 39. Kc1 { [%eval 2.37] [%clk 0:09:53] } 39... Qe6?? { [%eval 7.62] } { Blunder. f5 was best. } { [%clk 0:00:33] } 40. Qd8+ { [%eval 7.55] [%clk 0:09:51] } 40... Qe8 { [%eval 7.38] [%clk 0:00:36] } 41. Qxe8+?? { [%eval 3.45] } { Blunder. Qxg5 was best. } { [%clk 0:10:05] } 41... Rxe8 { [%eval 3.34] [%clk 0:01:03] } 42. Ra4?! { [%eval 2.5] } { Inaccuracy. Rd6 was best. } { [%clk 0:10:25] } 42... f5?! { [%eval 3.65] } { Inaccuracy. Ne6 was best. } { [%clk 0:00:35] } 43. Rd5 { [%eval 3.32] [%clk 0:08:45] } 43... Ne4?! { [%eval 4.26] } { Inaccuracy. Re6 was best. } { [%clk 0:00:34] } 44. Rxa6 { [%eval 4.12] [%clk 0:08:21] } 44... Nc3 { [%eval 4.96] } 45. Rda5 { [%eval 4.51] [%clk 0:07:46] } 45... f4?! { [%eval 6.87] } { Inaccuracy. Kh7 was best. } { [%clk 0:00:44] } 46. Ra8?! { [%eval 5.08] } { Inaccuracy. Bg6 was best. } { [%clk 0:07:43] } 46... Rxa8 { [%eval 4.97] [%clk 0:01:13] } 47. Rxa8+ { [%eval 4.86] [%clk 0:08:06] } 47... Kf7 { [%eval 4.99] [%clk 0:01:41] } 48. Kd2 { [%eval 5.33] [%clk 0:08:15] } 48... Nb5 { [%eval 5.19] [%clk 0:02:05] } 49. a4 { [%eval 4.96] [%clk 0:07:50] } 49... Nd4 { [%eval 5.35] [%clk 0:02:28] } 50. Be4 { [%eval 4.82] [%clk 0:07:29] } 50... Ng4 { [%eval 4.92] [%clk 0:02:25] } 51. Kd3 { [%eval 6.22] [%clk 0:07:06] } 51... Ne6 { [%eval 6.08] [%clk 0:02:43] } 52. Bd5 { [%eval 6.43] [%clk 0:07:10] } 52... Ne3 { [%eval 7.74] [%clk 0:02:06] } 53. Ra7+ { [%eval 7.67] [%clk 0:07:26] } 53... Kf6 { [%eval 7.49] [%clk 0:02:35] } 54. Bxe6 { [%eval 7.64] [%clk 0:07:45] } 54... Kxe6 { [%eval 7.69] [%clk 0:03:03] } 55. Rxg7 { [%eval 7.52] [%clk 0:07:56] } 55... Nd5 { [%eval 7.57] [%clk 0:02:42] } 56. a5 { [%eval 7.22] [%clk 0:07:13] } 56... Ke5 { [%eval 12.9] [%clk 0:02:20] } 57. Ke2 { [%eval 7.53] [%clk 0:06:01] } 1-0