Event: Round 3: Raven Sturt - Aleksandr Ostrovskiy
Date: 2023-05-27
White: Raven Sturt
WhiteTitle: GM
Black: Aleksandr Ostrovskiy
BlackTitle: IM
Result: 1-0
ECO: A03
Opening: Bird Opening: Dutch Variation
Variant: Standard

1. f4 { [%eval -0.31] [%clk 1:30:59] } 1... d5 { [%eval -0.16] [%clk 1:23:04] } 2. Nf3 { [%eval -0.15] [%clk 1:31:22] } 2... Nf6 { [%eval -0.31] [%clk 1:23:14] } 3. d3 { [%eval -0.34] [%clk 1:31:26] } 3... e6 { [%eval -0.2] [%clk 1:16:14] } 4. g3 { [%eval -0.32] [%clk 1:30:57] } 4... b5 { [%eval 0.0] [%clk 1:13:05] } 5. Bg2 { [%eval -0.17] [%clk 1:30:36] } 5... Bb7 { [%eval -0.34] [%clk 1:12:32] } 6. O-O { [%eval -0.45] [%clk 1:30:37] } 6... Bc5+ { [%eval -0.29] [%clk 1:10:21] } 7. e3 { [%eval -0.4] [%clk 1:27:13] } 7... O-O { [%eval -0.38] [%clk 1:10:01] } 8. Qe2 { [%eval -0.26] [%clk 1:26:37] } 8... Bb6 { [%eval 0.04] [%clk 1:08:03] } 9. a4 { [%eval 0.08] [%clk 1:18:44] } 9... a6 { [%eval -0.04] [%clk 1:03:26] } 10. b4 { [%eval -0.26] [%clk 1:13:07] } 10... a5 { [%eval 0.02] [%clk 0:47:11] } 11. axb5 { [%eval -0.03] [%clk 1:13:07] } 11... axb4 { [%eval 0.01] [%clk 0:47:24] } 12. Rxa8 { [%eval -0.04] [%clk 1:13:33] } 12... Bxa8 { [%eval 0.0] [%clk 0:47:51] } 13. Bb2 { [%eval -0.27] [%clk 1:12:10] } 13... c6 { [%eval -0.09] [%clk 0:40:57] } 14. Nbd2 { [%eval -0.21] [%clk 1:04:48] } 14... cxb5 { [%eval -0.18] [%clk 0:35:32] } 15. Nd4 { [%eval -0.21] [%clk 1:04:21] } 15... Nc6 { [%eval -0.25] [%clk 0:33:43] } 16. N2f3 { [%eval -0.32] [%clk 1:03:00] } 16... Qb8 { [%eval -0.21] [%clk 0:21:13] } 17. Rb1 { [%eval -0.29] [%clk 0:53:00] } 17... Re8 { [%eval -0.33] [%clk 0:14:39] } 18. Nxc6 { [%eval -0.37] [%clk 0:47:20] } 18... Bxc6 { [%eval -0.31] [%clk 0:15:02] } 19. Be5 { [%eval -0.32] [%clk 0:47:28] } 19... Qa7 { [%eval -0.26] [%clk 0:13:25] } 20. Bd4 { [%eval -0.26] [%clk 0:42:40] } 20... Bxd4 { [%eval -0.31] [%clk 0:12:05] } 21. Nxd4 { [%eval -0.26] [%clk 0:43:06] } 21... Bd7 { [%eval -0.38] [%clk 0:12:18] } 22. Rxb4 { [%eval -0.29] [%clk 0:38:26] } 22... e5 { [%eval -0.26] [%clk 0:11:15] } 23. fxe5 { [%eval -0.27] [%clk 0:38:48] } 23... Rxe5 { [%eval -0.34] [%clk 0:11:39] } 24. Bf3 { [%eval -0.24] [%clk 0:39:11] } 24... h5 { [%eval -0.29] [%clk 0:10:09] } 25. Kg2 { [%eval -0.37] [%clk 0:31:24] } 25... g5 { [%eval -0.1] [%clk 0:05:47] } 26. Qf2 { [%eval -0.09] [%clk 0:29:38] } 26... Qc5 { [%eval 0.0] [%clk 0:04:16] } 27. Rb1 { [%eval -0.05] [%clk 0:29:41] } 27... Qe7 { [%eval -0.06] [%clk 0:03:13] } 28. Re1 { [%eval -0.5] [%clk 0:29:58] } 28... b4?! { [%eval 0.05] } { Inaccuracy. g4 was best. } { [%clk 0:03:34] } 29. Bd1 { [%eval -0.35] [%clk 0:29:33] } 29... Ng4?! { [%eval 0.43] } { Inaccuracy. g4 was best. } { [%clk 0:01:57] } 30. Bxg4 { [%eval 0.47] [%clk 0:29:44] } 30... hxg4 { [%eval 0.6] [%clk 0:02:26] } 31. Qd2 { [%eval 0.6] [%clk 0:29:22] } 31... Kh7 { [%eval 0.15] [%clk 0:01:48] } 32. Re2 { [%eval 0.3] [%clk 0:25:12] } 32... Kg6 { [%eval 0.38] [%clk 0:02:01] } 33. Qe1 { [%eval 0.27] [%clk 0:25:34] } 33... Kh7 { [%eval 0.45] [%clk 0:01:14] } 34. Qc1 { [%eval 0.36] [%clk 0:25:29] } 34... Kg6 { [%eval 0.33] [%clk 0:01:38] } 35. Kf2 { [%eval 0.43] [%clk 0:25:40] } 35... Qf6+ { [%eval 0.29] [%clk 0:01:41] } 36. Ke1 { [%eval 0.26] [%clk 0:26:05] } 36... Qb6 { [%eval 0.37] [%clk 0:01:39] } 37. Qb2 { [%eval 0.08] [%clk 0:26:09] } 37... Qd6 { [%eval 0.37] [%clk 0:01:22] } 38. Kd2 { [%eval 0.32] [%clk 0:25:28] } 38... Re8 { [%eval 0.32] [%clk 0:01:31] } 39. Qa2 { [%eval 0.43] [%clk 0:21:27] } 39... Qc5 { [%eval 0.47] [%clk 0:01:46] } 40. Qa6+ { [%eval 0.31] [%clk 0:20:51] } 40... Kg7 { [%eval 0.55] [%clk 0:01:35] } 41. Ke1 { [%eval 0.09] [%clk 0:20:32] } 41... Qc3+ { [%eval 0.45] [%clk 0:01:25] } 42. Kf2 { [%eval 0.41] [%clk 0:20:32] } 42... Qc5 { [%eval 0.63] [%clk 0:00:35] } 43. Qa1 { [%eval 0.34] [%clk 0:18:37] } 43... Kg6 { [%eval 0.41] [%clk 0:00:51] } 44. Kg2 { [%eval 0.33] [%clk 0:16:22] } 44... Qb6 { [%eval 0.4] [%clk 0:01:04] } 45. Kf2 { [%eval 0.43] [%clk 0:16:11] } 45... Qf6+ { [%eval 0.22] [%clk 0:01:28] } 46. Ke1 { [%eval 0.2] [%clk 0:16:21] } 46... Qb6 { [%eval 0.32] [%clk 0:01:53] } 47. Kd2 { [%eval 0.24] [%clk 0:16:44] } 47... Qc5 { [%eval 0.28] [%clk 0:01:45] } 48. Nb3 { [%eval 0.07] [%clk 0:17:04] } 48... Qb6 { [%eval 0.08] [%clk 0:01:31] } 49. Qd4 { [%eval 0.0] [%clk 0:14:58] } 49... Qxd4 { [%eval 0.0] [%clk 0:00:57] } 50. Nxd4 { [%eval 0.0] [%clk 0:15:11] } 50... Rh8 { [%eval 0.0] [%clk 0:00:57] } 51. Kc1 { [%eval 0.0] [%clk 0:15:05] } 51... Ba4 { [%eval 0.31] [%clk 0:00:33] } 52. Rf2 { [%eval 0.08] [%clk 0:14:16] } 52... Bd7 { [%eval 0.17] [%clk 0:00:33] } 53. Kb2 { [%eval 0.37] [%clk 0:14:28] } 53... Re8 { [%eval 0.38] [%clk 0:00:58] } 54. Kb3 { [%eval 0.37] [%clk 0:14:52] } 54... Rb8 { [%eval 0.39] [%clk 0:00:33] } 55. Rf1 { [%eval 0.58] [%clk 0:14:52] } 55... Rh8 { [%eval 0.39] [%clk 0:00:48] } 56. Rh1 { [%eval 0.41] [%clk 0:13:38] } 56... Rb8 { [%eval 0.44] [%clk 0:01:18] } 57. Ra1 { [%eval 0.4] [%clk 0:13:57] } 57... Rh8?! { [%eval 1.07] } { Inaccuracy. Kf6 was best. } { [%clk 0:01:32] } 58. Ra6+ { [%eval 1.11] [%clk 0:06:36] } 58... f6?! { [%eval 1.92] } { Inaccuracy. Be6 was best. } { [%clk 0:01:19] } 59. Ra7 { [%eval 2.24] [%clk 0:06:35] } 59... Bf5 { [%eval 2.62] [%clk 0:00:37] } 60. Kxb4 { [%eval 3.01] [%clk 0:06:52] } 60... Rxh2 { [%eval 2.95] [%clk 0:00:52] } 61. Kc5 { [%eval 3.09] [%clk 0:07:14] } 61... Rg2 { [%eval 2.94] [%clk 0:00:33] } 62. Kxd5 { [%eval 3.03] [%clk 0:07:32] } 62... Bc8 { [%eval 3.07] [%clk 0:00:37] } 63. Rc7 { [%eval 3.15] [%clk 0:05:39] } 63... Ba6? { [%eval 5.49] } { Mistake. Rxg3 was best. } { [%clk 0:01:06] } 64. Ke6 { [%eval 4.95] [%clk 0:05:31] } 64... Rxg3 { [%eval 5.08] [%clk 0:00:48] } 65. Nf5 { [%eval 5.05] [%clk 0:05:57] } 65... Rh3?? { [%eval #3] } { Checkmate is now unavoidable. Rxe3+ was best. } { [%clk 0:00:58] } 66. Rg7+ { [%eval #2] [%clk 0:06:20] } 66... Kh5 { [%eval #2] [%clk 0:01:23] } 67. Kxf6 { [%eval #1] [%clk 0:06:46] } 1-0