Event: Round 8: Ostrovskiy, Aleksandr - Kaliksteyn, Alexander
Date: 2024-11-11
White: Ostrovskiy, Aleksandr
WhiteTitle: IM
WhiteElo: 2398
Black: Kaliksteyn, Alexander
BlackTitle: IM
BlackElo: 2344
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:20:42] } 1... c5 { [%eval 0.25] [%clk 1:26:31] } 2. Nf3 { [%eval 0.21] [%clk 1:20:58] } 2... d6 { [%eval 0.21] [%clk 1:26:46] } 3. d4 { [%eval 0.22] [%clk 1:21:10] } 3... cxd4 { [%eval 0.19] [%clk 1:26:37] } 4. Nxd4 { [%eval 0.18] [%clk 1:21:35] } 4... Nf6 { [%eval 0.24] [%clk 1:27:02] } 5. Nc3 { [%eval 0.17] [%clk 1:22:01] } 5... a6 { [%eval 0.2] [%clk 1:27:11] } 6. a4 { [%eval 0.14] [%clk 1:22:26] } 6... e6 { [%eval 0.36] [%clk 1:26:56] } 7. a5 { [%eval 0.17] [%clk 1:22:16] } 7... Nc6 { [%eval 0.29] [%clk 1:14:15] } 8. Nxc6 { [%eval 0.27] [%clk 1:20:56] } 8... bxc6 { [%eval 0.29] [%clk 1:14:43] } 9. Bd3 { [%eval 0.28] [%clk 1:20:50] } 9... Be7 { [%eval 0.38] [%clk 1:12:15] } 10. O-O { [%eval 0.38] [%clk 1:20:26] } 10... Bb7 { [%eval 0.54] [%clk 1:04:28] } 11. Bd2 { [%eval 0.34] [%clk 1:16:49] } 11... c5 { [%eval 0.34] [%clk 0:56:52] } 12. Re1 { [%eval 0.29] [%clk 1:13:10] } 12... O-O { [%eval 0.27] [%clk 0:56:06] } 13. b3 { [%eval 0.09] [%clk 1:06:49] } 13... Nd7 { [%eval 0.17] [%clk 0:44:58] } 14. Na4 { [%eval 0.15] [%clk 1:03:43] } 14... Ne5 { [%eval 0.46] [%clk 0:38:42] } 15. Bf1 { [%eval 0.34] [%clk 1:03:40] } 15... Qc7 { [%eval 0.39] [%clk 0:39:07] } 16. Nb6 { [%eval 0.42] [%clk 0:54:01] } 16... Rad8 { [%eval 0.41] [%clk 0:39:07] } 17. Qh5 { [%eval 0.49] [%clk 0:44:27] } 17... Bf6 { [%eval 0.38] [%clk 0:35:06] } 18. Rad1 { [%eval 0.24] [%clk 0:41:43] } 18... Rfe8 { [%eval 0.49] [%clk 0:25:43] } 19. Bf4 { [%eval 0.26] [%clk 0:32:26] } 19... Ng6 { [%eval 0.67] [%clk 0:24:46] } 20. Bg5 { [%eval 0.76] [%clk 0:24:41] } 20... Qe7 { [%eval 1.04] [%clk 0:22:11] } 21. Bxf6 { [%eval 0.98] [%clk 0:22:22] } 21... Qxf6 { [%eval 1.09] [%clk 0:22:37] } 22. Nc4 { [%eval 0.81] [%clk 0:21:53] } 22... Qe7 { [%eval 0.65] [%clk 0:17:26] } 23. Qh3 { [%eval 0.68] [%clk 0:14:08] } 23... d5?! { [%eval 1.34] } { Inaccuracy. Ne5 was best. } { [%clk 0:13:30] } 24. exd5 { [%eval 1.39] [%clk 0:14:20] } 24... Rxd5 { [%eval 1.67] [%clk 0:13:44] } 25. Rxd5 { [%eval 1.54] [%clk 0:13:00] } 25... Bxd5 { [%eval 1.73] [%clk 0:14:12] } 26. Nb6 { [%eval 1.61] [%clk 0:07:15] } 26... Bb7 { [%eval 1.65] [%clk 0:10:54] } 27. Rd1 { [%eval 1.68] [%clk 0:07:11] } 27... Nf4 { [%eval 1.41] [%clk 0:09:29] } 28. Qg3 { [%eval 1.47] [%clk 0:06:36] } 28... Qf6 { [%eval 1.67] [%clk 0:06:36] } 29. Nd7 { [%eval 1.71] [%clk 0:06:00] } 29... Qf5 { [%eval 1.6] [%clk 0:06:31] } 30. Re1?! { [%eval 0.93] } { Inaccuracy. Rd2 was best. } { [%clk 0:05:51] } 30... f6 { [%eval 0.88] [%clk 0:01:09] } 31. Nxc5?! { [%eval 0.19] } { Inaccuracy. h3 was best. } { [%clk 0:04:04] } 31... Bxg2 { [%eval 0.27] [%clk 0:00:43] } 32. Bxg2 { [%eval 0.23] [%clk 0:02:10] } 32... Nxg2 { [%eval 0.17] [%clk 0:01:07] } 33. Nxe6 { [%eval 0.18] [%clk 0:01:44] } 33... Rxe6 { [%eval 0.26] [%clk 0:01:31] } 34. Qb8+ { [%eval 0.19] [%clk 0:01:02] } 34... Kf7 { [%eval 0.27] [%clk 0:01:44] } 35. Qb7+ { [%eval 0.13] [%clk 0:01:31] } 35... Kg6 { [%eval 0.16] [%clk 0:01:53] } 36. Qxg2+ { [%eval 0.14] [%clk 0:01:45] } 36... Kh6 { [%eval 0.14] [%clk 0:02:18] } 37. Rxe6 { [%eval 0.19] [%clk 0:00:59] } 37... Qxe6 { [%eval 0.15] [%clk 0:02:43] } 38. Qf3 { [%eval 0.1] [%clk 0:00:33] } 38... Qe1+ { [%eval 0.14] [%clk 0:02:50] } 39. Kg2 { [%eval 0.14] [%clk 0:01:02] } 39... Qxa5 { [%eval 0.15] [%clk 0:03:13] } 40. c4 { [%eval 0.12] [%clk 0:01:00] } 40... Qg5+ { [%eval 0.17] [%clk 0:00:39] } 41. Qg3 { [%eval 0.2] [%clk 0:01:11] } 41... Qa5?! { [%eval 0.92] } { Inaccuracy. Qf5 was best. } { [%clk 0:01:02] } 42. Qe3+ { [%eval 0.38] [%clk 0:01:21] } 42... g5?! { [%eval 1.2] } { Inaccuracy. Kg6 was best. } { [%clk 0:01:10] } 43. Qe6 { [%eval 1.2] [%clk 0:01:02] } 43... Kg6?! { [%eval 2.17] } { Inaccuracy. Kg7 was best. } { [%clk 0:01:04] } 44. Qg8+ { [%eval 2.05] [%clk 0:01:01] } 44... Kh6 { [%eval 1.93] [%clk 0:01:27] } 45. Qf8+ { [%eval 2.04] [%clk 0:01:20] } 45... Kg6 { [%eval 2.07] [%clk 0:01:51] } 46. c5 { [%eval 1.81] [%clk 0:01:33] } 46... Qe1?? { [%eval 4.1] } { Blunder. Qb5 was best. } { [%clk 0:01:01] } 47. Qg8+ { [%eval 4.31] [%clk 0:01:43] } 47... Kh6 { [%eval 4.5] [%clk 0:01:21] } 48. Qd5 { [%eval 4.06] [%clk 0:02:08] } 48... Qe2 { [%eval 4.29] [%clk 0:01:24] } 49. c6 { [%eval 4.32] [%clk 0:01:21] } 49... Qg4+ { [%eval 4.2] [%clk 0:01:33] } 50. Kf1 { [%eval 4.43] [%clk 0:01:34] } 50... Qh3+ { [%eval 4.62] [%clk 0:01:47] } 51. Kg1 { [%eval 4.39] [%clk 0:01:21] } 51... Qg4+ { [%eval 3.93] [%clk 0:02:11] } 52. Kf1 { [%eval 4.43] [%clk 0:00:44] } 52... Qh3+ { [%eval 4.4] [%clk 0:02:34] } 53. Ke2 { [%eval 4.09] [%clk 0:00:40] } 53... Qxh2?! { [%eval 5.29] } { Inaccuracy. Qc3 was best. } { [%clk 0:02:31] } 54. Qd7 { [%eval 5.71] [%clk 0:00:48] } 54... Qe5+ { [%eval 5.63] [%clk 0:01:39] } 55. Kf1 { [%eval 5.26] [%clk 0:01:16] } 55... Qb5+ { [%eval 5.96] [%clk 0:01:56] } 56. Kg1 { [%eval 5.72] [%clk 0:01:34] } 56... Qxb3 { [%eval 6.14] [%clk 0:00:41] } 57. c7 { [%eval 5.95] [%clk 0:01:23] } 57... Qb1+ { [%eval 6.37] [%clk 0:00:47] } 58. Kh2 { [%eval 6.28] [%clk 0:01:45] } 58... Qc2 { [%eval 6.1] [%clk 0:00:44] } 59. Qh3+ { [%eval 6.03] [%clk 0:01:12] } 59... Kg6 { [%eval 5.97] [%clk 0:01:08] } 60. c8=Q { [%eval 11.86] [%clk 0:01:12] } 60... Qxf2+?! { [%eval #20] } { Checkmate is now unavoidable. Qxc8 was best. } { [%clk 0:01:30] } 61. Qg2 { [%eval #20] [%clk 0:01:24] } 61... Qf4+ { [%eval 9.2] [%clk 0:01:26] } 62. Kh1 { [%eval 7.82] [%clk 0:00:48] } 62... Qh4+ { [%eval 6.56] [%clk 0:01:23] } 63. Qch3 { [%eval 6.38] [%clk 0:01:10] } 63... Qe1+ { [%eval 6.33] [%clk 0:01:41] } 64. Kh2 { [%eval 6.14] [%clk 0:01:09] } 64... h5 { [%eval 6.86] [%clk 0:00:59] } 65. Qd3+ { [%eval 75.24] [%clk 0:01:00] } 65... Kh6 { [%eval 75.24] [%clk 0:01:19] } 66. Qge4 { [%eval 67.88] [%clk 0:00:51] } 66... Qf2+?! { [%eval #18] } { Checkmate is now unavoidable. Qxe4 was best. } { [%clk 0:01:29] } 67. Kh1 { [%eval #18] [%clk 0:01:12] } 1-0