Event: Round 4: Bijan TAHMASSEBI - Andrew SAMUELSON
Date: 2023-05-27
White: Bijan TAHMASSEBI
Black: Andrew SAMUELSON
BlackTitle: FM
Result: 0-1
ECO: B94
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:30:56] } 2. Nf3 { [%eval 0.0] [%clk 1:31:24] } 2... d6 { [%eval 0.0] [%clk 1:31:22] } 3. d4 { [%eval 0.25] [%clk 1:31:51] } 3... cxd4 { [%eval 0.13] [%clk 1:31:48] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:17] } 4... Nf6 { [%eval 0.3] [%clk 1:32:11] } 5. Nc3 { [%eval 0.21] [%clk 1:32:44] } 5... a6 { [%eval 0.39] [%clk 1:32:34] } 6. Bg5 { [%eval 0.0] [%clk 1:33:10] } 6... Nbd7 { [%eval 0.18] [%clk 1:32:56] } 7. Qe2 { [%eval 0.29] [%clk 1:33:33] } 7... e6 { [%eval 0.49] [%clk 1:33:21] } 8. f4 { [%eval 0.31] [%clk 1:33:52] } 8... h6 { [%eval 0.6] [%clk 1:33:47] } 9. Bh4 { [%eval 0.4] [%clk 1:33:51] } 9... e5 { [%eval 0.55] [%clk 1:34:11] } 10. fxe5 { [%eval 0.28] [%clk 1:33:17] } 10... dxe5 { [%eval 0.49] [%clk 1:34:36] } 11. Nf5 { [%eval 0.4] [%clk 1:20:12] } 11... Nb6 { [%eval 0.43] [%clk 1:34:19] } 12. Bxf6?! { [%eval -0.44] } { Inaccuracy. Qf3 was best. } { [%clk 1:14:21] } 12... Qxf6 { [%eval -0.47] [%clk 1:34:11] } 13. O-O-O { [%eval -0.42] [%clk 1:14:25] } 13... Bb4 { [%eval -0.51] [%clk 1:29:19] } 14. Qd3 { [%eval -0.9] [%clk 0:59:09] } 14... O-O { [%eval -0.63] [%clk 1:29:04] } 15. Ne3 { [%eval -0.65] [%clk 0:58:55] } 15... Be6 { [%eval -0.56] [%clk 1:25:56] } 16. Ncd5 { [%eval -0.67] [%clk 0:57:28] } 16... Bxd5 { [%eval -0.84] [%clk 1:25:39] } 17. exd5 { [%eval -1.01] [%clk 0:55:30] } 17... Rfd8?! { [%eval -0.13] } { Inaccuracy. Rae8 was best. } { [%clk 1:24:23] } 18. c4? { [%eval -1.8] } { Mistake. Qe4 was best. } { [%clk 0:28:37] } 18... Rac8 { [%eval -1.27] [%clk 1:24:31] } 19. Kb1 { [%eval -1.26] [%clk 0:28:07] } 19... Bc5 { [%eval -1.26] [%clk 1:24:19] } 20. Nc2 { [%eval -1.24] [%clk 0:22:41] } 20... Re8 { [%eval -0.86] [%clk 1:21:11] } 21. Qe4 { [%eval -0.82] [%clk 0:22:25] } 21... Qf4?? { [%eval 1.05] } { Blunder. Na4 was best. } { [%clk 1:19:10] } 22. Qxf4 { [%eval 1.18] [%clk 0:20:57] } 22... exf4 { [%eval 1.13] [%clk 1:19:39] } 23. Bd3? { [%eval -0.36] } { Mistake. b4 was best. } { [%clk 0:18:44] } 23... a5?! { [%eval 0.27] } { Inaccuracy. Bd6 was best. } { [%clk 1:19:22] } 24. Rhe1 { [%eval -0.24] [%clk 0:17:25] } 24... g6 { [%eval -0.21] [%clk 1:17:22] } 25. b3 { [%eval -0.17] [%clk 0:14:16] } 25... Nd7?! { [%eval 0.78] } { Inaccuracy. Rxe1 was best. } { [%clk 1:16:55] } 26. a3?! { [%eval -0.15] } { Inaccuracy. Rxe8+ was best. } { [%clk 0:12:18] } 26... b6?! { [%eval 0.94] } { Inaccuracy. Rxe1 was best. } { [%clk 1:16:53] } 27. b4?! { [%eval 0.0] } { Inaccuracy. Rxe8+ was best. } { [%clk 0:11:19] } 27... axb4?! { [%eval 0.84] } { Inaccuracy. Rxe1 was best. } { [%clk 1:17:18] } 28. axb4?! { [%eval -0.06] } { Inaccuracy. Rxe8+ was best. } { [%clk 0:11:44] } 28... Bd6?! { [%eval 0.81] } { Inaccuracy. Rxe1 was best. } { [%clk 1:17:13] } 29. Rxe8+ { [%eval 0.86] [%clk 0:07:26] } 29... Rxe8 { [%eval 0.95] [%clk 1:17:39] } 30. Kb2 { [%eval 0.77] [%clk 0:07:41] } 30... Ne5?! { [%eval 1.45] } { Inaccuracy. f3 was best. } { [%clk 1:16:45] } 31. Kc3?! { [%eval 0.52] } { Inaccuracy. Kb3 was best. } { [%clk 0:07:36] } 31... Rc8?! { [%eval 1.59] } { Inaccuracy. Nxd3 was best. } { [%clk 1:16:07] } 32. Nd4 { [%eval 1.77] [%clk 0:06:56] } 32... Ng4 { [%eval 1.89] [%clk 1:16:11] } 33. Nb5 { [%eval 1.83] [%clk 0:05:20] } 33... Be5+ { [%eval 1.79] [%clk 1:16:00] } 34. Kb3 { [%eval 2.07] [%clk 0:05:34] } 34... Ne3 { [%eval 2.15] [%clk 1:15:48] } 35. Rd2 { [%eval 2.51] [%clk 0:05:35] } 35... f5 { [%eval 2.81] [%clk 1:14:24] } 36. Ra2? { [%eval 1.05] } { Mistake. d6 was best. } { [%clk 0:02:53] } 36... Kg7? { [%eval 2.4] } { Mistake. Kf7 was best. } { [%clk 1:14:24] } 37. Ra7+? { [%eval 1.11] } { Mistake. d6 was best. } { [%clk 0:02:45] } 37... Kf6 { [%eval 0.89] [%clk 1:14:46] } 38. d6?! { [%eval 0.03] } { Inaccuracy. Rb7 was best. } { [%clk 0:01:44] } 38... Nxg2 { [%eval 0.63] [%clk 1:13:06] } 39. d7 { [%eval 0.43] [%clk 0:00:40] } 39... Rd8 { [%eval 0.23] [%clk 1:13:22] } 40. c5 { [%eval 0.5] [%clk 0:00:44] } 40... bxc5 { [%eval 0.27] [%clk 1:13:49] } 41. bxc5 { [%eval 0.17] [%clk 0:01:11] } 41... f3 { [%eval 0.52] [%clk 1:13:30] } 42. c6 { [%eval 0.03] [%clk 0:01:08] } 42... Nf4 { [%eval 0.48] [%clk 1:12:40] } 43. Bc4 { [%eval 0.26] [%clk 0:00:51] } 43... Ne6 { [%eval 0.23] [%clk 1:10:12] } 44. Bxe6 { [%eval -0.24] [%clk 0:00:38] } 44... Kxe6 { [%eval -0.21] [%clk 1:10:38] } 45. Nd4+?? { [%eval -3.65] } { Blunder. Ra2 was best. } { [%clk 0:00:35] } 45... Bxd4 { [%eval -3.92] [%clk 1:10:16] } 46. c7 { [%eval -3.13] [%clk 0:00:53] } 46... Kxd7 { [%eval -3.47] [%clk 1:10:12] } 47. cxd8=Q+ { [%eval -4.21] [%clk 0:01:13] } 47... Kxd8 { [%eval -3.77] [%clk 1:10:39] } 48. Ra4 { [%eval -3.67] [%clk 0:01:10] } 48... Be5 { [%eval -4.54] [%clk 1:10:45] } 49. Ra2 { [%eval -3.68] [%clk 0:01:32] } 49... g5 { [%eval -4.62] [%clk 1:10:46] } 50. Kc4 { [%eval -4.41] [%clk 0:01:58] } 50... Ke7 { [%eval -3.67] [%clk 1:10:27] } 51. Kd3 { [%eval -4.49] [%clk 0:02:00] } 51... g4 { [%eval -4.54] [%clk 1:10:00] } 52. Ke3 { [%eval -4.72] [%clk 0:02:09] } 52... Kf6 { [%eval -4.56] [%clk 1:10:16] } 53. h3 { [%eval -3.58] [%clk 0:01:00] } 53... h5 { [%eval -4.82] [%clk 1:10:41] } 54. hxg4?! { [%eval -6.36] } { Inaccuracy. Ra4 was best. } { [%clk 0:00:39] } 54... hxg4 { [%eval -5.29] [%clk 1:11:04] } 55. Ra6+?! { [%eval -6.97] } { Inaccuracy. Rd2 was best. } { [%clk 0:00:32] } 55... Kg5 { [%eval -7.44] [%clk 1:11:26] } 56. Ra5 { [%eval -8.83] [%clk 0:00:51] } 56... Bf4+?! { [%eval -5.12] } { Inaccuracy. Bd4+ was best. } { [%clk 1:10:21] } 57. Kf2 { [%eval -5.06] [%clk 0:01:16] } 57... Bd6 { [%eval -5.63] [%clk 1:10:08] } 58. Rd5 { [%eval -5.41] [%clk 0:01:36] } 58... Bc7 { [%eval -5.27] [%clk 1:10:09] } 59. Rb5 { [%eval -5.71] [%clk 0:02:01] } 59... Kf6?! { [%eval -4.14] } { Inaccuracy. Bd6 was best. } { [%clk 1:08:57] } 60. Rb7?! { [%eval -5.59] } { Inaccuracy. Rb4 was best. } { [%clk 0:02:17] } 60... Be5 { [%eval -5.65] [%clk 1:09:14] } 61. Rd7 { [%eval -6.95] [%clk 0:01:36] } 61... f4 { [%eval -9.54] [%clk 1:09:26] } 62. Rd8 { [%eval -11.12] [%clk 0:01:48] } 62... Kf5 { [%eval -10.19] [%clk 1:09:51] } 63. Rd1 { [%eval -14.04] [%clk 0:01:46] } 0-1