Event: Round 2: Aleksandr Ostrovskiy - Emilio Cordova
Site: https://lichess.org/study/I7JP15nr/s9KzqE3x
Date: 2022-10-27
White: Aleksandr Ostrovskiy
WhiteTitle: IM
Black: Emilio Cordova
BlackTitle: GM
Result: 0-1
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Venice System
Variant: Standard

1. e4 { [%eval 0.0] [%clk 1:27:59] } 1... c5 { [%eval 0.32] [%clk 1:30:01] } 2. Nf3 { [%eval 0.0] [%clk 1:28:16] } 2... a6?! { [%eval 0.67] } { Inaccuracy. d6 was best. } { [%clk 1:29:31] } 3. c3 { [%eval 0.4] [%clk 1:23:27] } 3... e6 { [%eval 0.47] [%clk 1:29:47] } 4. d4 { [%eval 0.42] [%clk 1:23:52] } 4... d5 { [%eval 0.48] [%clk 1:30:11] } 5. e5 { [%eval 0.43] [%clk 1:23:23] } 5... Nc6 { [%eval 0.46] [%clk 1:30:03] } 6. Bd3 { [%eval 0.49] [%clk 1:13:45] } 6... Bd7 { [%eval 0.51] [%clk 1:29:07] } 7. a3 { [%eval 0.31] [%clk 1:08:26] } 7... Rc8 { [%eval 0.71] [%clk 1:28:03] } 8. O-O { [%eval 0.45] [%clk 0:57:52] } 8... h6?! { [%eval 1.37] } { Inaccuracy. cxd4 was best. } { [%clk 1:12:23] } 9. h3 { [%eval 1.24] [%clk 0:39:06] } 9... cxd4 { [%eval 1.29] [%clk 1:02:40] } 10. cxd4 { [%eval 1.45] [%clk 0:39:24] } 10... Qb6 { [%eval 1.41] [%clk 1:02:47] } 11. Bc2 { [%eval 1.26] [%clk 0:38:00] } 11... Na5 { [%eval 1.13] [%clk 0:58:19] } 12. Nc3 { [%eval 1.33] [%clk 0:32:53] } 12... Qc7 { [%eval 1.36] [%clk 0:52:30] } 13. Bd3 { [%eval 1.7] [%clk 0:21:51] } 13... Ne7 { [%eval 1.32] [%clk 0:47:48] } 14. Rb1 { [%eval 1.21] [%clk 0:16:52] } 14... Nc4 { [%eval 1.25] [%clk 0:37:37] } 15. Ne2 { [%eval 1.47] [%clk 0:12:55] } 15... Nb6 { [%eval 1.68] [%clk 0:35:35] } 16. Bd2 { [%eval 1.35] [%clk 0:08:32] } 16... Nc4 { [%eval 1.45] [%clk 0:28:17] } 17. Bc3 { [%eval 1.86] [%clk 0:06:45] } 17... b5 { [%eval 1.58] [%clk 0:26:55] } 18. Rc1?! { [%eval 0.97] } { Inaccuracy. Bb4 was best. } { [%clk 0:03:56] } 18... Nc6 { [%eval 0.96] [%clk 0:26:44] } 19. Nf4 { [%eval 1.24] [%clk 0:02:32] } 19... Qb8 { [%eval 1.44] [%clk 0:25:46] } 20. Re1 { [%eval 1.87] [%clk 0:02:47] } 20... Be7 { [%eval 2.43] [%clk 0:24:43] } 21. Nh5 { [%eval 2.13] [%clk 0:02:26] } 21... Kf8 { [%eval 2.47] [%clk 0:21:43] } 22. Nh2 { [%eval 2.36] [%clk 0:01:30] } 22... g6 { [%eval 2.74] [%clk 0:18:10] } 23. Nf6 { [%eval 2.75] [%clk 0:00:37] } 23... Be8 { [%eval 3.06] [%clk 0:17:55] } 24. Nhg4?! { [%eval 1.88] } { Inaccuracy. Qf3 was best. } { [%clk 0:00:34] } 24... h5 { [%eval 1.52] [%clk 0:16:35] } 25. Nh2 { [%eval 1.65] [%clk 0:00:35] } 25... b4?! { [%eval 2.27] } { Inaccuracy. Kg7 was best. } { [%clk 0:16:41] } 26. axb4 { [%eval 2.39] [%clk 0:00:59] } 26... Nxb4 { [%eval 2.36] [%clk 0:17:07] } 27. Bxc4? { [%eval 0.88] } { Mistake. Bb1 was best. } { [%clk 0:00:33] } 27... Rxc4?! { [%eval 1.92] } { Inaccuracy. dxc4 was best. } { [%clk 0:16:56] } 28. b3 { [%eval 1.57] [%clk 0:00:32] } 28... Rc6?! { [%eval 2.68] } { Inaccuracy. Rc7 was best. } { [%clk 0:15:30] } 29. Qd2?! { [%eval 1.66] } { Inaccuracy. Bd2 was best. } { [%clk 0:00:32] } 29... a5 { [%eval 1.99] [%clk 0:15:31] } 30. Nf3 { [%eval 1.73] [%clk 0:00:54] } 30... Qd8?! { [%eval 2.43] } { Inaccuracy. Kg7 was best. } { [%clk 0:15:36] } 31. h4 { [%eval 1.87] [%clk 0:00:36] } 31... Kg7 { [%eval 2.44] [%clk 0:15:29] } 32. Nxe8+?? { [%eval 0.0] } { Blunder. Ng5 was best. } { [%clk 0:00:32] } 32... Rxe8 { [%eval 0.0] [%clk 0:15:24] } 33. g3 { [%eval 0.3] [%clk 0:00:34] } 33... Qb8 { [%eval -0.11] [%clk 0:13:06] } 34. Red1 { [%eval -0.59] [%clk 0:00:32] } 34... Rec8 { [%eval -0.69] [%clk 0:12:40] } 35. Ne1?! { [%eval -1.52] } { Inaccuracy. Kg2 was best. } { [%clk 0:00:35] } 35... Qb6 { [%eval -1.16] [%clk 0:11:18] } 36. Kg2 { [%eval -1.01] [%clk 0:00:40] } 36... Qb5 { [%eval -0.91] [%clk 0:10:18] } 37. Bb2 { [%eval -1.07] [%clk 0:00:33] } 37... Na2 { [%eval -0.93] [%clk 0:09:38] } 38. Rxc6 { [%eval -1.38] [%clk 0:00:34] } 38... Rxc6 { [%eval -1.12] [%clk 0:10:03] } 39. Qd3 { [%eval -1.02] [%clk 0:00:37] } 39... Qxd3 { [%eval -1.1] [%clk 0:10:10] } 40. Rxd3?? { [%eval -3.41] } { Blunder. Nxd3 was best. } { [%clk 0:00:34] } 40... Bb4?? { [%eval -1.18] } { Blunder. Rb6 was best. } { [%clk 0:10:14] } 41. Kf1? { [%eval -2.4] } { Mistake. Rd1 was best. } { [%clk 0:00:50] } 41... Nc1?! { [%eval -1.52] } { Inaccuracy. Rb6 was best. } { [%clk 0:08:36] } 42. Rf3 { [%eval -1.59] [%clk 0:00:41] } 42... Rc8 { [%eval -1.64] [%clk 0:08:49] } 43. Re3 { [%eval -1.55] [%clk 0:00:35] } 43... Bd2 { [%eval -1.77] [%clk 0:08:47] } 44. Rf3 { [%eval -1.52] [%clk 0:00:58] } 44... Kg8 { [%eval -1.98] [%clk 0:09:00] } 45. Ba3 { [%eval -1.81] [%clk 0:00:44] } 45... Na2 { [%eval -2.0] [%clk 0:07:55] } 46. Bc5?! { [%eval -2.9] } { Inaccuracy. Rd3 was best. } { [%clk 0:00:33] } 46... Rb8 { [%eval -3.03] [%clk 0:07:56] } 47. Ba3? { [%eval -5.4] } { Mistake. Nc2 was best. } { [%clk 0:00:36] } 47... a4?! { [%eval -4.08] } { Inaccuracy. Bc3 was best. } { [%clk 0:07:50] } 48. bxa4?! { [%eval -5.32] } { Inaccuracy. Ke2 was best. } { [%clk 0:00:32] } 48... Rb1 { [%eval -5.25] [%clk 0:08:12] } 49. Be7 { [%eval -5.92] [%clk 0:00:33] } 49... Bxe1 { [%eval -5.41] [%clk 0:08:27] } 50. Kg2 { [%eval -6.0] [%clk 0:00:43] } 50... Bb4 { [%eval -5.77] [%clk 0:08:26] } 51. Bf6 { [%eval -6.39] [%clk 0:00:34] } 51... Nc3 { [%eval -6.76] [%clk 0:08:23] } 0-1