Event: Israeli Open Championship
Site: chess24.com
Date: 2021-12-14
White: Mamantov, Margarita
WhiteElo: 2038
Black: Zalkind, Konstantin
BlackTitle: FM
BlackElo: 2115
Result: 0-1
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Normal System
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:44] } 2. Nf3 { [%eval 0.0] [%clk 1:31:07] } 2... a6 { [%eval 0.5] [%clk 1:31:04] } 3. d4 { [%eval 0.16] [%clk 1:31:19] } 3... cxd4 { [%eval 0.35] [%clk 1:31:12] } 4. Nxd4 { [%eval 0.13] [%clk 1:31:41] } 4... Nf6 { [%eval 0.0] [%clk 1:31:34] } 5. Nc3 { [%eval -0.13] [%clk 1:31:51] } 5... e5 { [%eval 0.0] [%clk 1:31:32] } 6. Nf3 { [%eval -0.25] [%clk 1:30:26] } 6... Bb4 { [%eval -0.08] [%clk 1:29:23] } 7. Qd3?! { [%eval -0.79] } { Inaccuracy. Bc4 was best. } { [%clk 1:22:55] } 7... O-O { [%eval -0.4] [%clk 1:26:41] } 8. Bg5 { [%eval -0.13] [%clk 1:09:50] } 8... Nc6 { [%eval -0.08] [%clk 1:19:27] } 9. Nd2 { [%eval 0.0] [%clk 0:58:57] } 9... h6 { [%eval -0.02] [%clk 1:12:41] } 10. Bxf6 { [%eval -0.1] [%clk 0:57:01] } 10... Qxf6 { [%eval -0.04] [%clk 1:12:58] } 11. Nd5 { [%eval -0.05] [%clk 0:56:27] } 11... Qd8 { [%eval 0.0] [%clk 1:10:56] } 12. Nxb4 { [%eval -0.03] [%clk 0:54:22] } 12... Nxb4 { [%eval -0.08] [%clk 1:11:19] } 13. Qc3 { [%eval -0.26] [%clk 0:54:30] } 13... a5 { [%eval -0.12] [%clk 1:10:17] } 14. Bc4 { [%eval -0.45] [%clk 0:52:44] } 14... d5 { [%eval -0.7] [%clk 1:08:30] } 15. exd5 { [%eval -0.3] [%clk 0:51:09] } 15... Bf5 { [%eval 0.17] [%clk 1:06:52] } 16. O-O { [%eval -0.15] [%clk 0:45:25] } 16... Qd6?! { [%eval 0.61] } { Inaccuracy. Re8 was best. } { [%clk 1:02:17] } 17. Qf3 { [%eval 0.41] [%clk 0:41:47] } 17... Bxc2 { [%eval 0.46] [%clk 1:01:22] } 18. a3 { [%eval 0.37] [%clk 0:39:58] } 18... Na6? { [%eval 1.44] } { Mistake. b5 was best. } { [%clk 1:01:34] } 19. Rfe1 { [%eval 0.96] [%clk 0:38:32] } 19... Rfe8 { [%eval 1.3] [%clk 0:56:19] } 20. Qc3?! { [%eval 0.72] } { Inaccuracy. Ba2 was best. } { [%clk 0:33:39] } 20... Bf5 { [%eval 1.13] [%clk 0:52:57] } 21. Qxa5 { [%eval 1.0] [%clk 0:30:16] } 21... Nc7 { [%eval 0.72] [%clk 0:51:28] } 22. Qc3 { [%eval 0.31] [%clk 0:26:31] } 22... b5 { [%eval 0.77] [%clk 0:47:26] } 23. Bb3? { [%eval -0.31] } { Mistake. Bf1 was best. } { [%clk 0:20:52] } 23... Nxd5 { [%eval -0.07] [%clk 0:46:37] } 24. Qf3 { [%eval -0.16] [%clk 0:20:18] } 24... Nf4 { [%eval -0.43] [%clk 0:44:17] } 25. Ne4 { [%eval -0.15] [%clk 0:18:27] } 25... Qg6 { [%eval -0.29] [%clk 0:42:24] } 26. Ng3 { [%eval -0.13] [%clk 0:17:58] } 26... Bg4 { [%eval -0.11] [%clk 0:41:11] } 27. Qe4 { [%eval 0.02] [%clk 0:16:27] } 27... Qf6 { [%eval 0.02] [%clk 0:36:40] } 28. Rac1 { [%eval -0.09] [%clk 0:13:08] } 28... Rad8 { [%eval 0.0] [%clk 0:32:44] } 29. Rc6 { [%eval 0.0] [%clk 0:10:35] } 29... Rd6 { [%eval 0.25] [%clk 0:31:52] } 30. Rxd6 { [%eval 0.27] [%clk 0:09:46] } 30... Qxd6 { [%eval 0.25] [%clk 0:32:21] } 31. h3 { [%eval 0.17] [%clk 0:09:54] } 31... Bc8 { [%eval 0.14] [%clk 0:31:02] } 32. Nf5 { [%eval 0.0] [%clk 0:08:10] } 32... Qg6? { [%eval 1.33] } { Mistake. Qc7 was best. } { [%clk 0:29:46] } 33. Ng3?! { [%eval 0.38] } { Inaccuracy. Qxf4 was best. } { [%clk 0:08:03] } 33... Qf6 { [%eval 0.44] [%clk 0:29:09] } 34. Rc1 { [%eval 0.38] [%clk 0:07:12] } 34... g6 { [%eval 0.39] [%clk 0:27:29] } 35. Rc6 { [%eval 0.35] [%clk 0:06:17] } 35... Be6 { [%eval 0.65] [%clk 0:26:07] } 36. Ne2?! { [%eval -0.18] } { Inaccuracy. Qe3 was best. } { [%clk 0:04:34] } 36... Qf5 { [%eval 0.16] [%clk 0:24:14] } 37. Qxf5 { [%eval 0.25] [%clk 0:02:33] } 37... Nxe2+ { [%eval 0.14] [%clk 0:21:34] } 38. Kf1 { [%eval 0.12] [%clk 0:03:01] } 38... gxf5 { [%eval 0.11] [%clk 0:14:48] } 39. Bxe6 { [%eval 0.04] [%clk 0:03:12] } 39... Nd4 { [%eval 0.03] [%clk 0:14:55] } 40. Rc8 { [%eval 0.24] [%clk 0:03:24] } 40... Kf8 { [%eval 0.19] [%clk 0:14:26] } 41. Rxe8+ { [%eval 0.19] [%clk 0:03:04] } 41... Kxe8 { [%eval 0.4] [%clk 0:14:55] } 42. Bd5 { [%eval 0.23] [%clk 0:03:00] } 42... f6 { [%eval 0.16] [%clk 0:15:10] } 43. g4 { [%eval 0.16] [%clk 0:02:21] } 43... Ke7 { [%eval 0.14] [%clk 0:14:30] } 44. gxf5 { [%eval 0.22] [%clk 0:02:12] } 44... Nxf5 { [%eval 0.22] [%clk 0:14:57] } 45. Ke2 { [%eval 0.15] [%clk 0:01:51] } 45... Kd6 { [%eval 0.23] [%clk 0:14:46] } 46. Be4 { [%eval 0.27] [%clk 0:01:38] } 46... Ne7 { [%eval 0.31] [%clk 0:15:02] } 47. Bd3 { [%eval 0.18] [%clk 0:00:56] } 47... Kc5 { [%eval 0.22] [%clk 0:14:49] } 48. Ke3 { [%eval 0.09] [%clk 0:00:47] } 48... f5 { [%eval 0.0] [%clk 0:15:06] } 49. f3 { [%eval 0.0] [%clk 0:00:55] } 49... Nd5+ { [%eval 0.0] [%clk 0:14:44] } 50. Kd2 { [%eval 0.0] [%clk 0:00:42] } 50... f4 { [%eval 0.0] [%clk 0:14:50] } 51. Be4 { [%eval 0.12] [%clk 0:00:37] } 51... Nb6 { [%eval 0.0] [%clk 0:14:12] } 52. b3 { [%eval 0.0] [%clk 0:00:50] } 52... b4 { [%eval 0.12] [%clk 0:12:24] } 53. axb4+ { [%eval 0.08] [%clk 0:00:39] } 53... Kxb4 { [%eval 0.11] [%clk 0:12:43] } 54. Bc2 { [%eval 0.0] [%clk 0:00:47] } 54... Nd7 { [%eval 0.0] [%clk 0:12:45] } 55. Kd3 { [%eval 0.0] [%clk 0:00:52] } 55... Nc5+ { [%eval 0.0] [%clk 0:12:58] } 56. Kd2 { [%eval 0.0] [%clk 0:01:06] } 56... Ne6 { [%eval 0.0] [%clk 0:12:41] } 57. Ke2? { [%eval -1.17] } { Mistake. Bd1 was best. } { [%clk 0:00:54] } 57... Kc3 { [%eval -1.02] [%clk 0:12:46] } 58. Bd1?? { [%eval -3.04] } { Blunder. Be4 was best. } { [%clk 0:00:48] } 58... Nd4+ { [%eval -3.29] [%clk 0:13:01] } 59. Kf2?? { [%eval -12.12] } { Blunder. Ke1 was best. } { [%clk 0:00:47] } 59... Kd2 { [%eval -14.4] [%clk 0:13:15] } 0-1