Event: Round 9: Lucas Jiang - Aleksandr Ostrovskiy
Date: 2022-08-07
White: Lucas Jiang
Black: Aleksandr Ostrovskiy
BlackTitle: IM
Result: 1-0
ECO: B12
Opening: Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense
Variant: Standard

1. e4 { [%eval 0.33] [%clk 1:30:57] } 1... c6 { [%eval 0.56] [%clk 1:16:13] } 2. d4 { [%eval 0.41] [%clk 1:31:02] } 2... d5 { [%eval 0.28] [%clk 1:16:41] } 3. e5 { [%eval 0.28] [%clk 1:31:24] } 3... c5 { [%eval 0.0] [%clk 1:17:07] } 4. dxc5 { [%eval 0.5] [%clk 1:31:48] } 4... e6 { [%eval 0.31] [%clk 1:17:31] } 5. Be3 { [%eval 0.0] [%clk 1:32:10] } 5... Nd7 { [%eval 0.4] [%clk 1:17:22] } 6. Bb5 { [%eval -0.32] [%clk 1:32:31] } 6... Ne7 { [%eval 0.4] [%clk 1:17:46] } 7. Bd4 { [%eval 0.3] [%clk 1:32:41] } 7... Nc6 { [%eval 0.52] [%clk 1:17:43] } 8. Bxc6 { [%eval 0.46] [%clk 1:33:03] } 8... bxc6 { [%eval 0.51] [%clk 1:18:11] } 9. b4 { [%eval 0.46] [%clk 1:33:18] } 9... a5 { [%eval 0.51] [%clk 1:18:37] } 10. a3 { [%eval 0.43] [%clk 1:33:39] } 10... Ba6 { [%eval 0.59] [%clk 1:19:04] } 11. f4 { [%eval 0.38] [%clk 1:33:17] } 11... g5 { [%eval 0.75] [%clk 1:13:56] } 12. Nf3 { [%eval 0.38] [%clk 1:33:34] } 12... gxf4 { [%eval 0.32] [%clk 1:14:15] } 13. Kf2 { [%eval 0.54] [%clk 1:33:20] } 13... Qb8?! { [%eval 1.33] } { Inaccuracy. Be7 was best. } { [%clk 0:47:58] } 14. c3?! { [%eval 0.72] } { Inaccuracy. Qd2 was best. } { [%clk 1:23:37] } 14... Bg7 { [%eval 1.1] [%clk 0:45:08] } 15. Re1 { [%eval 1.06] [%clk 1:20:33] } 15... O-O { [%eval 0.74] [%clk 0:44:48] } 16. Kg1 { [%eval 0.93] [%clk 1:19:12] } 16... Qc7 { [%eval 0.91] [%clk 0:42:08] } 17. Qc1 { [%eval 1.04] [%clk 1:14:20] } 17... Rae8? { [%eval 2.65] } { Mistake. f6 was best. } { [%clk 0:38:24] } 18. Qxf4 { [%eval 2.68] [%clk 1:12:31] } 18... f6 { [%eval 2.8] [%clk 0:36:14] } 19. Qg3 { [%eval 2.83] [%clk 1:11:54] } 19... fxe5?! { [%eval 3.61] } { Inaccuracy. Bd3 was best. } { [%clk 0:29:02] } 20. Nxe5 { [%eval 2.96] [%clk 1:10:24] } 20... Nxe5 { [%eval 2.59] [%clk 0:27:50] } 21. Nd2 { [%eval 2.32] [%clk 1:10:38] } 21... Rf5?! { [%eval 3.7] } { Inaccuracy. Nf3+ was best. } { [%clk 0:24:55] } 22. Rxe5 { [%eval 4.04] [%clk 1:10:24] } 22... Rxe5 { [%eval 4.12] [%clk 0:15:59] } 23. Nf3 { [%eval 3.95] [%clk 1:10:15] } 23... Re1+ { [%eval 3.94] [%clk 0:16:02] } 24. Rxe1 { [%eval 4.12] [%clk 1:10:10] } 24... Qxg3 { [%eval 4.27] [%clk 0:16:28] } 25. hxg3 { [%eval 4.04] [%clk 1:10:29] } 25... Bh6?! { [%eval 5.09] } { Inaccuracy. axb4 was best. } { [%clk 0:14:49] } 26. Ne5?! { [%eval 3.69] } { Inaccuracy. bxa5 was best. } { [%clk 1:08:07] } 26... Bb5 { [%eval 4.57] [%clk 0:13:29] } 27. a4?! { [%eval 3.26] } { Inaccuracy. bxa5 was best. } { [%clk 1:05:04] } 27... Bxa4 { [%eval 4.0] [%clk 0:13:57] } 28. Ra1 { [%eval 3.97] [%clk 1:05:22] } 28... Bb5 { [%eval 3.8] [%clk 0:14:22] } 29. Rxa5 { [%eval 3.26] [%clk 1:05:38] } 29... Bg7 { [%eval 3.54] [%clk 0:04:02] } 30. Ra7 { [%eval 3.83] [%clk 1:04:12] } 30... Bxe5 { [%eval 3.82] [%clk 0:04:25] } 31. Bxe5 { [%eval 3.75] [%clk 1:04:34] } 31... h5 { [%eval 3.61] [%clk 0:04:51] } 32. Rg7+ { [%eval 4.12] [%clk 0:58:28] } 32... Kf8 { [%eval 3.73] [%clk 0:05:20] } 33. Rh7 { [%eval 3.68] [%clk 0:58:10] } 33... Kg8 { [%eval 3.73] [%clk 0:04:51] } 34. Rxh5 { [%eval 3.64] [%clk 0:58:10] } 34... Kf7 { [%eval 3.3] [%clk 0:05:18] } 35. Kf2 { [%eval 3.01] [%clk 0:54:02] } 35... Kg6 { [%eval 3.1] [%clk 0:04:42] } 36. g4 { [%eval 3.03] [%clk 0:52:34] } 36... Ra8 { [%eval 3.2] [%clk 0:05:01] } 37. Bf4 { [%eval 2.83] [%clk 0:49:53] } 37... Ra2+ { [%eval 3.05] [%clk 0:04:39] } 38. Kg3 { [%eval 2.57] [%clk 0:49:22] } 38... Rc2 { [%eval 2.71] [%clk 0:01:19] } 39. Rh6+ { [%eval 3.07] [%clk 0:49:02] } 39... Kg7 { [%eval 3.42] [%clk 0:01:46] } 40. Rxe6 { [%eval 3.48] [%clk 0:48:00] } 40... Rxc3+ { [%eval 3.36] [%clk 0:02:15] } 41. Kh4 { [%eval 3.27] [%clk 0:48:11] } 41... Rc4 { [%eval 3.41] [%clk 0:01:07] } 42. Be5+?? { [%eval 1.35] } { Blunder. g3 was best. } { [%clk 0:46:38] } 42... Kf7 { [%eval 1.54] [%clk 0:00:49] } 43. Rf6+ { [%eval 1.08] [%clk 0:46:38] } 43... Kg8?? { [%eval 3.44] } { Blunder. Ke7 was best. } { [%clk 0:00:39] } 44. Kg5 { [%eval 3.08] [%clk 0:37:52] } 44... Re4? { [%eval 4.98] } { Mistake. Rxb4 was best. } { [%clk 0:01:08] } 45. Kf5 { [%eval 4.66] [%clk 0:37:06] } 45... Re2 { [%eval 5.07] [%clk 0:00:37] } 46. Ke6? { [%eval 3.02] } { Mistake. g5 was best. } { [%clk 0:36:03] } 46... Kh7?? { [%eval 11.59] } { Blunder. d4 was best. } { [%clk 0:00:32] } 47. g5 { [%eval 11.82] [%clk 0:36:22] } 1-0