Event: Round 4: Michael Lee - Aleksandr Ostrovskiy
Date: 2022-03-18
White: Michael Lee
Black: Aleksandr Ostrovskiy
Result: 0-1
ECO: E11
Opening: Bogo-Indian Defense: Nimzowitsch Variation
Variant: Standard

1. d4 { [%eval 0.3] [%clk 1:29:44] } 1... Nf6 { [%eval 0.23] [%clk 1:28:38] } 2. c4 { [%eval 0.27] [%clk 1:30:00] } 2... e6 { [%eval 0.23] [%clk 1:28:59] } 3. Nf3 { [%eval 0.0] [%clk 1:30:17] } 3... Bb4+ { [%eval 0.36] [%clk 1:28:29] } 4. Bd2 { [%eval 0.0] [%clk 1:30:23] } 4... Qe7?! { [%eval 0.54] } { Inaccuracy. Be7 was best. } { [%clk 1:27:39] } 5. Qc2 { [%eval 0.25] [%clk 1:21:17] } 5... Bxd2+ { [%eval 0.17] [%clk 1:23:49] } 6. Nbxd2 { [%eval 0.16] [%clk 1:21:40] } 6... d6 { [%eval 0.13] [%clk 1:24:00] } 7. e4 { [%eval 0.13] [%clk 1:13:11] } 7... e5 { [%eval 0.18] [%clk 1:23:30] } 8. d5?! { [%eval -0.43] } { Inaccuracy. Bd3 was best. } { [%clk 1:13:35] } 8... a5 { [%eval -0.31] [%clk 1:16:41] } 9. c5 { [%eval -0.32] [%clk 1:03:54] } 9... dxc5 { [%eval -0.49] [%clk 1:04:24] } 10. Nc4 { [%eval -0.85] [%clk 0:56:08] } 10... O-O { [%eval -0.79] [%clk 1:02:16] } 11. a4?! { [%eval -1.44] } { Inaccuracy. Be2 was best. } { [%clk 0:49:56] } 11... Nbd7? { [%eval -0.11] } { Mistake. Na6 was best. } { [%clk 0:54:15] } 12. Bd3 { [%eval -0.25] [%clk 0:38:49] } 12... b6 { [%eval -0.08] [%clk 0:36:43] } 13. Ne3?! { [%eval -0.87] } { Inaccuracy. O-O was best. } { [%clk 0:36:39] } 13... Ne8 { [%eval -1.02] [%clk 0:34:18] } 14. h4 { [%eval -0.87] [%clk 0:33:08] } 14... Nd6 { [%eval -0.89] [%clk 0:32:48] } 15. g4?! { [%eval -1.94] } { Inaccuracy. Nd2 was best. } { [%clk 0:26:03] } 15... Nf6 { [%eval -1.83] [%clk 0:21:22] } 16. Rg1 { [%eval -1.81] [%clk 0:23:16] } 16... c4 { [%eval -1.9] [%clk 0:20:06] } 17. Bxc4?! { [%eval -3.12] } { Inaccuracy. Nxc4 was best. } { [%clk 0:22:10] } 17... Nfxe4 { [%eval -3.17] [%clk 0:04:10] } 18. Bd3 { [%eval -3.04] [%clk 0:22:16] } 18... f5?! { [%eval -2.19] } { Inaccuracy. Nc5 was best. } { [%clk 0:03:13] } 19. gxf5?! { [%eval -3.08] } { Inaccuracy. O-O-O was best. } { [%clk 0:21:34] } 19... Nc5 { [%eval -3.0] [%clk 0:03:24] } 20. Bc4?! { [%eval -3.93] } { Inaccuracy. Ng5 was best. } { [%clk 0:15:09] } 20... Kh8 { [%eval -3.94] [%clk 0:03:49] } 21. Ng5 { [%eval -4.33] [%clk 0:15:31] } 21... Nxc4?! { [%eval -3.41] } { Inaccuracy. Bxf5 was best. } { [%clk 0:03:22] } 22. Qxc4 { [%eval -3.72] [%clk 0:15:29] } 22... Ba6 { [%eval -3.48] [%clk 0:01:23] } 23. Qc3 { [%eval -3.69] [%clk 0:14:00] } 23... Nd3+ { [%eval -3.39] [%clk 0:01:15] } 24. Kd2 { [%eval -3.56] [%clk 0:14:24] } 24... Nc5? { [%eval -1.86] } { Mistake. c6 was best. } { [%clk 0:00:41] } 25. Rg4?! { [%eval -2.7] } { Inaccuracy. Rad1 was best. } { [%clk 0:14:32] } 25... Rad8? { [%eval -1.45] } { Mistake. Bd3 was best. } { [%clk 0:00:43] } 26. Ne4 { [%eval -1.54] [%clk 0:10:10] } 26... Nxe4+?! { [%eval -0.77] } { Inaccuracy. c6 was best. } { [%clk 0:00:41] } 27. Rxe4 { [%eval -0.71] [%clk 0:10:38] } 27... Bb7 { [%eval -0.72] [%clk 0:00:38] } 28. Qxe5 { [%eval -1.09] [%clk 0:02:43] } 28... Qf7 { [%eval -1.13] [%clk 0:01:07] } 29. Rd4 { [%eval -1.18] [%clk 0:02:44] } 29... Rfe8 { [%eval -1.2] [%clk 0:01:26] } 30. Qf4 { [%eval -1.04] [%clk 0:02:21] } 30... Bxd5 { [%eval -1.24] [%clk 0:01:47] } 31. Ke1?! { [%eval -2.34] } { Inaccuracy. Ra3 was best. } { [%clk 0:02:24] } 31... c5 { [%eval -2.77] [%clk 0:01:45] } 32. Rd2 { [%eval -2.56] [%clk 0:02:48] } 32... Bb3 { [%eval -2.73] [%clk 0:01:15] } 33. Rxd8 { [%eval -2.49] [%clk 0:02:37] } 33... Rxd8 { [%eval -2.62] [%clk 0:01:44] } 34. Kf1?! { [%eval -3.56] } { Inaccuracy. Ra3 was best. } { [%clk 0:02:30] } 34... Qf6 { [%eval -3.23] [%clk 0:01:20] } 35. Qg5 { [%eval -3.22] [%clk 0:01:26] } 35... Rd2 { [%eval -2.65] [%clk 0:01:24] } 36. Ng4? { [%eval -4.55] } { Mistake. Re1 was best. } { [%clk 0:01:02] } 36... Qxg5? { [%eval -2.65] } { Mistake. Qd4 was best. } { [%clk 0:00:39] } 37. hxg5 { [%eval -2.88] [%clk 0:01:30] } 37... Rd4?! { [%eval -1.98] } { Inaccuracy. Rd1+ was best. } { [%clk 0:00:34] } 38. Ne5 { [%eval -1.79] [%clk 0:01:14] } 38... Bxa4 { [%eval -2.07] [%clk 0:00:36] } 39. Kg2 { [%eval -2.14] [%clk 0:01:01] } 39... Rf4?! { [%eval -1.16] } { Inaccuracy. Bc2 was best. } { [%clk 0:00:34] } 40. Nf7+?? { [%eval -3.9] } { Blunder. Kg3 was best. } { [%clk 0:00:46] } 40... Kg8 { [%eval -3.86] [%clk 0:01:03] } 41. Kg3?! { [%eval -5.23] } { Inaccuracy. Nd6 was best. } { [%clk 0:01:03] } 41... Rxf5 { [%eval -4.7] [%clk 0:00:43] } 42. Nd6?! { [%eval -7.14] } { Inaccuracy. g6 was best. } { [%clk 0:01:27] } 42... Rxg5+ { [%eval -6.92] [%clk 0:00:42] } 43. Kf4 { [%eval -7.09] [%clk 0:01:52] } 43... Rg6 { [%eval -7.0] [%clk 0:00:43] } 44. Nf5 { [%eval -7.76] [%clk 0:02:14] } 44... Rf6 { [%eval -7.73] [%clk 0:01:09] } 45. Ke5 { [%eval -7.51] [%clk 0:02:14] } 45... Bd7 { [%eval -7.23] [%clk 0:01:18] } 46. Ne7+ { [%eval -7.12] [%clk 0:02:30] } 46... Kf7 { [%eval -7.83] [%clk 0:01:42] } 47. Nd5 { [%eval -8.15] [%clk 0:02:55] } 47... Re6+ { [%eval -7.51] [%clk 0:00:53] } 48. Kf4 { [%eval -8.12] [%clk 0:03:20] } 48... g5+ { [%eval -8.08] [%clk 0:01:03] } 49. Kg3 { [%eval -8.0] [%clk 0:03:31] } 49... h5 { [%eval -8.02] [%clk 0:01:22] } 50. f4 { [%eval -8.76] [%clk 0:03:37] } 50... h4+ { [%eval -8.75] [%clk 0:01:28] } 0-1