Event: Round 6: Edward SONG - Aleksandr OSTROVSKIY
Date: 2022-04-17
White: Edward SONG
WhiteTitle: IM
Black: Aleksandr OSTROVSKIY
BlackTitle: IM
Result: 1/2-1/2
ECO: B12
Opening: Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense
Variant: Standard

1. e4 { [%eval 0.33] [%clk 1:30:58] } 1... c6 { [%eval 0.56] [%clk 1:22:37] } 2. d4 { [%eval 0.46] [%clk 1:31:22] } 2... d5 { [%eval 0.49] [%clk 1:23:03] } 3. e5 { [%eval 0.28] [%clk 1:31:47] } 3... c5 { [%eval 0.0] [%clk 1:23:28] } 4. Nf3 { [%eval 0.38] [%clk 1:32:06] } 4... cxd4 { [%eval 0.29] [%clk 1:23:07] } 5. Nxd4 { [%eval 0.16] [%clk 1:32:30] } 5... Nc6 { [%eval 0.0] [%clk 1:23:31] } 6. Nxc6 { [%eval 0.47] [%clk 1:32:20] } 6... bxc6 { [%eval 0.18] [%clk 1:23:57] } 7. Bd3 { [%eval -0.01] [%clk 1:32:42] } 7... e6 { [%eval 0.43] [%clk 1:24:15] } 8. O-O { [%eval 0.33] [%clk 1:33:07] } 8... Ne7 { [%eval 0.34] [%clk 1:24:20] } 9. Nd2 { [%eval 0.32] [%clk 1:30:48] } 9... a5 { [%eval 0.6] [%clk 1:23:51] } 10. Nf3 { [%eval 0.44] [%clk 1:28:27] } 10... Ba6 { [%eval 0.26] [%clk 1:14:47] } 11. Bxa6 { [%eval 0.26] [%clk 1:27:27] } 11... Rxa6 { [%eval 0.5] [%clk 1:15:06] } 12. c4 { [%eval 0.41] [%clk 1:26:54] } 12... dxc4 { [%eval 0.67] [%clk 1:03:06] } 13. Qa4 { [%eval 0.73] [%clk 1:06:19] } 13... Qd5 { [%eval 0.63] [%clk 0:54:28] } 14. Be3?! { [%eval 0.09] } { Inaccuracy. Qc2 was best. } { [%clk 0:42:44] } 14... Qb5 { [%eval 0.14] [%clk 0:49:52] } 15. Qc2 { [%eval 0.15] [%clk 0:42:05] } 15... Nd5 { [%eval 0.11] [%clk 0:43:40] } 16. Bd4 { [%eval -0.32] [%clk 0:39:14] } 16... Be7 { [%eval -0.13] [%clk 0:37:49] } 17. Nd2 { [%eval -0.36] [%clk 0:30:10] } 17... a4 { [%eval -0.25] [%clk 0:33:08] } 18. Nxc4 { [%eval -0.2] [%clk 0:22:54] } 18... O-O { [%eval 0.1] [%clk 0:32:27] } 19. a3 { [%eval -0.32] [%clk 0:22:29] } 19... Rb8 { [%eval 0.06] [%clk 0:28:20] } 20. Rab1 { [%eval -0.27] [%clk 0:22:25] } 20... h6 { [%eval -0.07] [%clk 0:23:22] } 21. Rfd1 { [%eval -0.02] [%clk 0:22:39] } 21... Raa8?! { [%eval 0.65] } { Inaccuracy. c5 was best. } { [%clk 0:20:33] } 22. g3?! { [%eval -0.25] } { Inaccuracy. Nd6 was best. } { [%clk 0:17:22] } 22... Rd8 { [%eval -0.18] [%clk 0:17:41] } 23. Rd3 { [%eval -0.32] [%clk 0:10:45] } 23... c5 { [%eval -0.51] [%clk 0:14:54] } 24. Be3 { [%eval -0.48] [%clk 0:11:06] } 24... Nxe3 { [%eval -0.24] [%clk 0:15:01] } 25. Rxe3 { [%eval -0.4] [%clk 0:10:53] } 25... Rd4 { [%eval -0.51] [%clk 0:15:02] } 26. Rc3 { [%eval -0.49] [%clk 0:11:06] } 26... Rad8 { [%eval -0.49] [%clk 0:12:27] } 27. b3 { [%eval -0.38] [%clk 0:08:29] } 27... axb3 { [%eval -0.02] [%clk 0:12:36] } 28. Qxb3 { [%eval 0.0] [%clk 0:08:25] } 28... Qc6 { [%eval -0.08] [%clk 0:12:12] } 29. Qc2 { [%eval -0.41] [%clk 0:08:07] } 29... h5 { [%eval -0.48] [%clk 0:10:04] } 30. h4 { [%eval -0.37] [%clk 0:05:49] } 30... Qd5 { [%eval -0.27] [%clk 0:05:47] } 31. a4 { [%eval -0.43] [%clk 0:04:27] } 31... Bxh4 { [%eval 0.0] [%clk 0:02:40] } 32. Ne3 { [%eval 0.0] [%clk 0:02:23] } 32... Qa8 { [%eval 0.44] [%clk 0:01:14] } 33. gxh4 { [%eval 0.4] [%clk 0:01:49] } 33... Rxh4 { [%eval 0.09] [%clk 0:01:21] } 34. Ng2 { [%eval 0.34] [%clk 0:02:02] } 34... Rxa4 { [%eval 0.48] [%clk 0:01:33] } 35. Rh3 { [%eval 0.0] [%clk 0:01:15] } 35... Rg4 { [%eval 0.0] [%clk 0:00:59] } 36. f3 { [%eval 0.0] [%clk 0:01:05] } 36... Rgd4 { [%eval 0.0] [%clk 0:00:44] } 37. Rxh5 { [%eval 0.0] [%clk 0:00:39] } 37... g6?! { [%eval 0.83] } { Inaccuracy. Qxf3 was best. } { [%clk 0:00:34] } 38. Rg5?! { [%eval -0.02] } { Inaccuracy. Rh3 was best. } { [%clk 0:00:34] } 38... Qxf3 { [%eval -0.07] } 39. Rxg6+?? { [%eval -2.86] } { Blunder. Qxc5 was best. } { [%clk 0:00:35] } 39... fxg6 { [%eval -3.4] [%clk 0:00:36] } 40. Qxg6+ { [%eval -3.2] [%clk 0:01:04] } 40... Kh8 { [%eval -2.9] [%clk 0:00:33] } 41. Qh6+ { [%eval -2.85] [%clk 0:01:25] } 41... Kg8 { [%eval -2.79] [%clk 0:01:03] } 42. Qg6+ { [%eval -3.37] [%clk 0:01:55] } 42... Kh8?? { [%eval 0.0] } { Blunder. Kf8 was best. } { [%clk 0:01:32] } 43. Qh6+ { [%eval 0.0] [%clk 0:01:56] } 43... Kg8 { [%eval 0.0] [%clk 0:01:54] } 44. Qg6+ { [%eval -3.27] } 44... Kf8 { [%eval -3.5] } 45. Rf1 { [%eval -4.09] } 45... Rd1 { [%eval -3.82] } 46. Ne1 { [%eval -3.87] } 46... Rxe1 { [%eval -4.0] } 47. Rxe1 { [%eval -3.75] } 47... Rd1 { [%eval -3.75] } 48. Rf1?? { [%eval #-2] } { Checkmate is now unavoidable. Qh6+ was best. } 48... Rd8?? { [%eval #2] } { Lost forced checkmate sequence. Rxf1+ was best. } 1/2-1/2