Event: Round 4: Aleksandr Ostrovskiy - David Daniel Camacho Campusano
Date: 2023-05-17
White: Aleksandr Ostrovskiy
WhiteTitle: IM
Black: David Daniel Camacho Campusano
BlackTitle: FM
Result: 0-1
ECO: C96
Opening: Ruy Lopez: Closed, Chigorin Defense
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:26:39] } 1... e5 { [%eval 0.35] [%clk 1:28:03] } 2. Nf3 { [%eval 0.29] [%clk 1:26:58] } 2... Nc6 { [%eval 0.32] [%clk 1:28:04] } 3. Bb5 { [%eval 0.34] [%clk 1:27:19] } 3... a6 { [%eval 0.37] [%clk 1:28:28] } 4. Ba4 { [%eval 0.31] [%clk 1:27:42] } 4... Nf6 { [%eval 0.37] [%clk 1:28:49] } 5. O-O { [%eval 0.29] [%clk 1:27:54] } 5... b5 { [%eval 0.37] [%clk 1:28:44] } 6. Bb3 { [%eval 0.39] [%clk 1:28:17] } 6... d6 { [%eval 0.44] [%clk 1:27:21] } 7. c3 { [%eval 0.4] [%clk 1:09:26] } 7... Be7 { [%eval 0.54] [%clk 1:26:23] } 8. Re1 { [%eval 0.5] [%clk 1:08:38] } 8... O-O { [%eval 0.44] [%clk 1:26:39] } 9. h3 { [%eval 0.5] [%clk 1:08:58] } 9... Na5 { [%eval 0.6] [%clk 1:20:57] } 10. Bc2 { [%eval 0.62] [%clk 1:08:58] } 10... c5 { [%eval 0.54] [%clk 1:21:14] } 11. d4 { [%eval 0.56] [%clk 1:08:17] } 11... exd4 { [%eval 0.63] [%clk 1:15:27] } 12. cxd4 { [%eval 0.57] [%clk 1:08:24] } 12... Nc6 { [%eval 0.82] [%clk 1:13:02] } 13. Nbd2 { [%eval 0.43] [%clk 0:54:58] } 13... Nd7 { [%eval 0.4] [%clk 1:11:44] } 14. d5 { [%eval 0.68] [%clk 0:48:43] } 14... Nce5 { [%eval 0.73] [%clk 1:11:48] } 15. Nxe5 { [%eval 0.45] [%clk 0:49:06] } 15... Nxe5 { [%eval 0.56] [%clk 1:12:03] } 16. f4 { [%eval 0.45] [%clk 0:49:18] } 16... Ng6 { [%eval 0.54] [%clk 1:07:32] } 17. Nf3 { [%eval 0.54] [%clk 0:47:42] } 17... Bh4 { [%eval 0.22] [%clk 1:07:11] } 18. Rf1?! { [%eval -0.58] } { Inaccuracy. Nxh4 was best. } { [%clk 0:40:17] } 18... Bg3 { [%eval -0.55] [%clk 1:04:21] } 19. Nh2 { [%eval -0.57] [%clk 0:21:58] } 19... Qh4 { [%eval -0.43] [%clk 0:58:22] } 20. Nf3 { [%eval -0.32] [%clk 0:16:12] } 20... Qh5 { [%eval -0.4] [%clk 0:54:31] } 21. f5 { [%eval -0.46] [%clk 0:07:46] } 21... Ne5 { [%eval 0.0] [%clk 0:53:57] } 22. b3 { [%eval -0.47] [%clk 0:06:57] } 22... Bd7 { [%eval 0.02] [%clk 0:49:13] } 23. Bb2 { [%eval -0.16] [%clk 0:05:13] } 23... Rfe8 { [%eval -0.01] [%clk 0:48:49] } 24. Rb1 { [%eval -0.33] [%clk 0:04:41] } 24... b4 { [%eval -0.14] [%clk 0:48:02] } 25. Nd2?! { [%eval -1.07] } { Inaccuracy. Nxe5 was best. } { [%clk 0:01:55] } 25... Qxd1 { [%eval -1.08] [%clk 0:46:17] } 26. Rfxd1 { [%eval -1.09] [%clk 0:02:10] } 26... Bb5 { [%eval -1.02] [%clk 0:45:22] } 27. Nf1 { [%eval -1.11] [%clk 0:01:30] } 27... Bh4 { [%eval -0.98] [%clk 0:37:17] } 28. Ne3 { [%eval -1.53] [%clk 0:00:42] } 28... Bf6?! { [%eval -0.93] } { Inaccuracy. Nd7 was best. } { [%clk 0:34:59] } 29. a4 { [%eval -1.43] [%clk 0:00:50] } 29... bxa3 { [%eval -1.27] [%clk 0:33:36] } 30. Bxa3 { [%eval -1.24] [%clk 0:01:19] } 30... a5 { [%eval -1.43] [%clk 0:33:11] } 31. Kf2?! { [%eval -2.21] } { Inaccuracy. Bb2 was best. } { [%clk 0:00:38] } 31... a4 { [%eval -2.04] [%clk 0:29:47] } 32. b4 { [%eval -2.08] [%clk 0:01:07] } 32... c4 { [%eval -2.31] [%clk 0:30:07] } 33. Ng4 { [%eval -2.11] [%clk 0:01:28] } 33... Nxg4+ { [%eval -2.13] [%clk 0:28:18] } 34. hxg4 { [%eval -2.22] [%clk 0:01:56] } 34... Ra7 { [%eval -1.62] [%clk 0:24:28] } 35. Kf3 { [%eval -1.88] [%clk 0:01:52] } 35... h6 { [%eval -1.56] [%clk 0:24:13] } 36. Re1 { [%eval -1.86] [%clk 0:01:24] } 36... Rb7 { [%eval -1.61] [%clk 0:23:47] } 37. Rec1 { [%eval -1.63] [%clk 0:00:48] } 37... Bg5 { [%eval -1.39] [%clk 0:21:20] } 38. Rd1 { [%eval -1.51] [%clk 0:01:09] } 38... Bf6 { [%eval -1.67] [%clk 0:20:28] } 39. Rdc1 { [%eval -1.91] [%clk 0:01:36] } 39... Kf8 { [%eval -1.93] [%clk 0:17:58] } 40. Rd1 { [%eval -2.49] [%clk 0:01:23] } 40... Ra7 { [%eval -2.29] [%clk 0:16:52] } 41. Rdc1 { [%eval -2.39] [%clk 0:01:42] } 41... Ke7?! { [%eval -1.5] } { Inaccuracy. Raa8 was best. } { [%clk 0:16:34] } 42. Re1?! { [%eval -2.64] } { Inaccuracy. Bd1 was best. } { [%clk 0:00:50] } 42... Kd7 { [%eval -2.62] [%clk 0:16:52] } 43. Rec1 { [%eval -2.32] [%clk 0:01:02] } 43... Rc8 { [%eval -2.81] [%clk 0:15:44] } 44. Rh1 { [%eval -2.74] [%clk 0:00:54] } 44... c3 { [%eval -2.45] [%clk 0:15:24] } 45. Rhe1 { [%eval -2.55] [%clk 0:00:53] } 45... Bc4?? { [%eval -0.31] } { Blunder. Rac7 was best. } { [%clk 0:14:45] } 46. Ke3?? { [%eval -2.9] } { Blunder. b5 was best. } { [%clk 0:00:39] } 46... Ba2 { [%eval -2.68] [%clk 0:14:02] } 47. Kf3 { [%eval -3.1] [%clk 0:00:32] } 47... Rc4 { [%eval -2.59] [%clk 0:11:47] } 48. Bd3 { [%eval -3.13] [%clk 0:00:34] } 48... c2 { [%eval -4.21] [%clk 0:11:34] } 49. Rbc1 { [%eval -3.44] [%clk 0:00:34] } 49... Rc3 { [%eval -2.83] [%clk 0:11:44] } 50. Re3 { [%eval -4.1] [%clk 0:01:02] } 50... Bb3?? { [%eval -1.79] } { Blunder. Rxa3 was best. } { [%clk 0:09:00] } 51. b5? { [%eval -3.75] } { Mistake. Bb5+ was best. } { [%clk 0:00:34] } 51... Rb7 { [%eval -3.75] [%clk 0:07:32] } 52. Bb4 { [%eval -4.45] [%clk 0:00:40] } 52... Rxd3 { [%eval -4.43] [%clk 0:07:42] } 53. Rxd3 { [%eval -4.52] [%clk 0:01:09] } 53... Bb2 { [%eval -4.57] [%clk 0:07:56] } 54. Bd2 { [%eval -4.41] [%clk 0:00:57] } 54... Rxb5 { [%eval -4.54] [%clk 0:08:04] } 55. Rh1 { [%eval -4.62] [%clk 0:00:52] } 55... Bc4 { [%eval -4.72] [%clk 0:05:41] } 56. Re3 { [%eval -4.67] [%clk 0:01:21] } 56... Bd4 { [%eval -4.55] [%clk 0:04:00] } 57. Rc1 { [%eval -4.4] [%clk 0:01:04] } 57... Bxe3 { [%eval -4.23] [%clk 0:02:53] } 58. Kxe3 { [%eval -4.09] [%clk 0:00:55] } 58... Rb3+ { [%eval -4.28] [%clk 0:02:35] } 59. Kf4 { [%eval -4.37] [%clk 0:01:14] } 59... Rd3 { [%eval -4.54] [%clk 0:02:17] } 60. Bb4 { [%eval -4.56] [%clk 0:00:40] } 60... Bb3 { [%eval -4.54] [%clk 0:02:04] } 61. g5 { [%eval -4.73] [%clk 0:00:32] } 61... hxg5+ { [%eval -4.92] [%clk 0:01:48] } 62. Kxg5 { [%eval -4.96] [%clk 0:01:00] } 62... Rd4 { [%eval -4.9] [%clk 0:01:38] } 63. Bc3 { [%eval -5.41] [%clk 0:01:17] } 63... Rxe4 { [%eval -5.17] [%clk 0:01:56] } 64. Bxg7 { [%eval -5.66] [%clk 0:01:39] } 64... a3 { [%eval -5.54] [%clk 0:01:36] } 65. g4 { [%eval -5.84] [%clk 0:01:17] } 65... Re3 { [%eval -5.95] [%clk 0:01:22] } 66. Kf6 { [%eval -6.02] [%clk 0:00:36] } 66... Rd3 { [%eval -5.95] [%clk 0:01:45] } 67. Re1 { [%eval -6.45] [%clk 0:00:32] } 67... Bxd5 { [%eval -6.8] [%clk 0:01:36] } 68. Bh6 { [%eval -6.3] [%clk 0:00:43] } 68... Rd1 { [%eval -6.78] [%clk 0:01:46] } 69. Re7+ { [%eval -6.4] [%clk 0:01:09] } 69... Kc6 { [%eval -6.37] [%clk 0:01:31] } 70. Ra7 { [%eval -6.67] [%clk 0:01:29] } 70... a2 { [%eval -6.48] [%clk 0:01:48] } 0-1