Event: Round 3: Aleksandr Ostrovskiy - Alexander Katz
Site: https://lichess.org/study/CFBfOluC/l6AV2GT8
Date: 2022-12-09
White: Aleksandr Ostrovskiy
WhiteTitle: IM
Black: Alexander Katz
BlackTitle: IM
Result: 0-1
ECO: C50
Opening: Italian Game: Giuoco Piano
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:28:00] } 1... e5 { [%eval 0.32] [%clk 1:30:15] } 2. Nf3 { [%eval 0.29] [%clk 1:28:23] } 2... Nc6 { [%eval 0.21] [%clk 1:30:26] } 3. Bc4 { [%eval 0.21] [%clk 1:25:41] } 3... Bc5 { [%eval 0.2] [%clk 1:29:54] } 4. O-O { [%eval 0.21] [%clk 1:21:43] } 4... Nf6 { [%eval 0.21] [%clk 1:29:59] } 5. d3 { [%eval 0.24] [%clk 1:22:07] } 5... O-O { [%eval 0.29] [%clk 1:29:32] } 6. h3 { [%eval 0.16] [%clk 1:15:22] } 6... d6 { [%eval 0.29] [%clk 1:27:42] } 7. c3 { [%eval 0.07] [%clk 1:14:14] } 7... a6 { [%eval 0.27] [%clk 1:26:55] } 8. a4 { [%eval 0.3] [%clk 1:13:59] } 8... Ba7 { [%eval 0.38] [%clk 1:23:38] } 9. Re1 { [%eval 0.35] [%clk 1:09:59] } 9... Ne7 { [%eval 0.44] [%clk 1:19:36] } 10. Nbd2 { [%eval 0.38] [%clk 0:58:40] } 10... Ng6 { [%eval 0.52] [%clk 1:19:49] } 11. Nf1 { [%eval 0.26] [%clk 0:58:13] } 11... c6 { [%eval 0.35] [%clk 1:19:04] } 12. Bb3 { [%eval 0.1] [%clk 0:53:03] } 12... Nh5 { [%eval 0.4] [%clk 1:12:39] } 13. d4 { [%eval 0.41] [%clk 0:39:54] } 13... Be6 { [%eval 0.19] [%clk 1:05:42] } 14. Be3 { [%eval 0.4] [%clk 0:33:42] } 14... Nhf4 { [%eval 0.65] [%clk 0:52:41] } 15. Bxe6 { [%eval 0.53] [%clk 0:27:04] } 15... Nxe6 { [%eval 0.38] [%clk 0:46:38] } 16. a5 { [%eval 0.31] [%clk 0:17:14] } 16... Qf6?! { [%eval 1.01] } { Inaccuracy. exd4 was best. } { [%clk 0:40:24] } 17. g3 { [%eval 0.47] [%clk 0:07:47] } 17... exd4 { [%eval 0.53] [%clk 0:32:30] } 18. cxd4 { [%eval 0.41] [%clk 0:07:32] } 18... d5 { [%eval 0.18] [%clk 0:31:32] } 19. e5 { [%eval 0.08] [%clk 0:05:37] } 19... Qe7 { [%eval 0.16] [%clk 0:31:08] } 20. h4 { [%eval 0.15] [%clk 0:04:12] } 20... f5 { [%eval 0.13] [%clk 0:28:15] } 21. exf6 { [%eval 0.07] [%clk 0:03:07] } 21... Qxf6 { [%eval 0.15] [%clk 0:28:04] } 22. N1h2 { [%eval 0.0] [%clk 0:03:10] } 22... Qf5 { [%eval 0.04] [%clk 0:24:27] } 23. Qb3 { [%eval 0.0] [%clk 0:01:38] } 23... Rf7 { [%eval -0.15] [%clk 0:22:35] } 24. Rad1 { [%eval -0.25] [%clk 0:01:21] } 24... Raf8 { [%eval -0.26] [%clk 0:21:14] } 25. Ng5?! { [%eval -0.87] } { Inaccuracy. Kh1 was best. } { [%clk 0:00:59] } 25... Nxg5 { [%eval -1.19] [%clk 0:19:24] } 26. hxg5 { [%eval -0.96] [%clk 0:01:28] } 26... Qh3 { [%eval -0.88] [%clk 0:19:06] } 27. Qd3 { [%eval -0.73] [%clk 0:01:44] } 27... Bb8 { [%eval -0.76] [%clk 0:18:26] } 28. Qf1 { [%eval -0.52] [%clk 0:01:41] } 28... Qc8 { [%eval -0.81] [%clk 0:18:11] } 29. Qe2 { [%eval -0.7] [%clk 0:01:28] } 29... Bc7 { [%eval -0.9] [%clk 0:14:27] } 30. b4 { [%eval -0.65] [%clk 0:01:18] } 30... Bd6 { [%eval -0.76] [%clk 0:14:47] } 31. Rb1 { [%eval -0.81] [%clk 0:01:47] } 31... Re8 { [%eval -0.69] [%clk 0:11:05] } 32. Qh5 { [%eval -1.02] [%clk 0:00:33] } 32... Qf5 { [%eval -0.8] [%clk 0:09:13] } 33. Qg4 { [%eval -1.32] [%clk 0:00:35] } 33... Qc2?! { [%eval -0.73] } { Inaccuracy. Ne7 was best. } { [%clk 0:06:12] } 34. Qe2 { [%eval -0.98] [%clk 0:00:39] } 34... Qe4 { [%eval -0.94] [%clk 0:05:33] } 35. Qg4 { [%eval -0.85] [%clk 0:00:49] } 35... Rfe7 { [%eval -0.86] [%clk 0:03:32] } 36. Qxe4 { [%eval -1.07] [%clk 0:00:43] } 36... Rxe4 { [%eval -1.12] [%clk 0:03:57] } 37. Nf1 { [%eval -1.09] [%clk 0:00:40] } 37... Ne7 { [%eval -1.17] [%clk 0:03:36] } 38. f3 { [%eval -1.51] [%clk 0:00:46] } 38... Re6 { [%eval -1.43] [%clk 0:04:00] } 39. g4?? { [%eval -3.62] } { Blunder. Bf4 was best. } { [%clk 0:01:11] } 39... Ng6 { [%eval -3.26] [%clk 0:03:59] } 40. Kf2 { [%eval -3.46] [%clk 0:00:45] } 40... Nf4 { [%eval -3.37] [%clk 0:03:23] } 41. Red1 { [%eval -3.77] [%clk 0:00:38] } 41... Rf8 { [%eval -3.11] [%clk 0:02:43] } 42. Rb3 { [%eval -3.28] [%clk 0:00:42] } 42... Rg6? { [%eval -1.76] } { Mistake. Be7 was best. } { [%clk 0:02:27] } 43. Ng3 { [%eval -2.06] [%clk 0:00:46] } 43... Rxg5?! { [%eval -0.89] } { Inaccuracy. Nh3+ was best. } { [%clk 0:01:14] } 44. Nf5?! { [%eval -2.06] } { Inaccuracy. Ne2 was best. } { [%clk 0:00:40] } 44... Bb8 { [%eval -2.24] [%clk 0:01:26] } 45. Re1?! { [%eval -3.57] } { Inaccuracy. Ng3 was best. } { [%clk 0:00:34] } 45... h5 { [%eval -3.72] [%clk 0:01:20] } 46. Bxf4 { [%eval -3.61] [%clk 0:00:33] } 46... Bxf4 { [%eval -3.56] [%clk 0:01:48] } 47. Ne3?! { [%eval -5.23] } { Inaccuracy. Rg1 was best. } { [%clk 0:00:31] } 47... hxg4 { [%eval -5.71] [%clk 0:01:59] } 48. Nxg4 { [%eval -5.75] [%clk 0:00:33] } 48... Rxg4 { [%eval -5.76] [%clk 0:02:10] } 49. fxg4 { [%eval -5.67] [%clk 0:00:59] } 49... Bd2+ { [%eval -5.74] [%clk 0:02:35] } 50. Ke2 { [%eval -5.81] [%clk 0:01:27] } 50... Bxe1 { [%eval -5.76] [%clk 0:03:01] } 51. Kxe1 { [%eval -5.86] [%clk 0:01:55] } 51... Rf4 { [%eval -5.79] [%clk 0:03:24] } 0-1