Event: 16th Annual Philadelphia International International
Site: ChessKast.com
Date: 2023-06-25
White: Norman Rogers
Black: David Aizenberg
Result: 1-0
ECO: B47
Opening: Sicilian Defense: Taimanov Variation, Bastrikov Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:30] } 1... c5 { [%eval 0.32] [%clk 1:30:29] } 2. Nf3 { [%eval 0.0] [%clk 1:30:55] } 2... e6 { [%eval 0.34] [%clk 1:30:58] } 3. d4 { [%eval 0.42] [%clk 1:31:19] } 3... cxd4 { [%eval 0.37] [%clk 1:31:27] } 4. Nxd4 { [%eval 0.4] [%clk 1:31:48] } 4... Nc6 { [%eval 0.5] [%clk 1:31:56] } 5. Nc3 { [%eval 0.33] [%clk 1:32:11] } 5... Qc7 { [%eval 0.56] [%clk 1:32:25] } 6. Nxc6 { [%eval 0.22] [%clk 1:32:40] } 6... bxc6 { [%eval 0.23] [%clk 1:32:54] } 7. Bd3 { [%eval 0.01] [%clk 1:33:02] } 7... Nf6 { [%eval 0.0] [%clk 1:33:22] } 8. O-O { [%eval 0.09] [%clk 1:33:04] } 8... Be7 { [%eval 0.32] [%clk 1:31:40] } 9. f4 { [%eval -0.03] [%clk 1:33:04] } 9... e5?! { [%eval 0.72] } { Inaccuracy. d5 was best. } { [%clk 1:23:03] } 10. Kh1 { [%eval 0.47] [%clk 1:33:33] } 10... Bd6 { [%eval 0.74] [%clk 1:21:46] } 11. f5 { [%eval 0.38] [%clk 1:33:02] } 11... Bb7 { [%eval 0.52] [%clk 1:20:07] } 12. Be3 { [%eval 0.36] [%clk 1:32:39] } 12... h5 { [%eval 0.47] [%clk 1:16:57] } 13. Bg5 { [%eval 0.49] [%clk 1:30:46] } 13... Ng4 { [%eval 0.81] [%clk 1:15:18] } 14. Be2 { [%eval 0.67] [%clk 1:30:42] } 14... f6 { [%eval 0.71] [%clk 1:14:12] } 15. Bd2 { [%eval 0.75] [%clk 1:26:15] } 15... O-O-O?! { [%eval 1.41] } { Inaccuracy. Bc5 was best. } { [%clk 1:13:20] } 16. Bxg4?! { [%eval 0.5] } { Inaccuracy. Na4 was best. } { [%clk 1:25:45] } 16... hxg4 { [%eval 0.44] [%clk 1:11:09] } 17. Qxg4 { [%eval 0.39] [%clk 1:26:14] } 17... Rh7?! { [%eval 0.97] } { Inaccuracy. Be7 was best. } { [%clk 1:04:13] } 18. Rf3 { [%eval 0.71] [%clk 1:25:49] } 18... Rdh8?! { [%eval 1.34] } { Inaccuracy. Bf8 was best. } { [%clk 1:02:36] } 19. h3 { [%eval 1.2] [%clk 1:26:05] } 19... Bc5 { [%eval 1.22] [%clk 0:57:55] } 20. Na4 { [%eval 0.97] [%clk 1:26:32] } 20... Bd4 { [%eval 1.2] [%clk 0:57:01] } 21. c3 { [%eval 1.08] [%clk 1:26:45] } 21... Bb6 { [%eval 1.16] [%clk 0:56:42] } 22. c4 { [%eval 1.25] [%clk 1:24:32] } 22... Bd4 { [%eval 1.08] [%clk 0:55:19] } 23. Re1 { [%eval 0.68] [%clk 1:21:17] } 23... d6 { [%eval 0.65] [%clk 0:48:35] } 24. Nc3 { [%eval 0.83] [%clk 1:18:43] } 24... Qf7 { [%eval 0.75] [%clk 0:42:29] } 25. b3 { [%eval 0.68] [%clk 1:19:11] } 25... Kb8 { [%eval 1.0] [%clk 0:41:47] } 26. Kh2 { [%eval 0.48] [%clk 1:18:18] } 26... Bc8?! { [%eval 1.08] } { Inaccuracy. Rh4 was best. } { [%clk 0:30:10] } 27. Qg3 { [%eval 0.62] [%clk 1:18:47] } 27... Bd7?! { [%eval 1.73] } { Inaccuracy. Rg8 was best. } { [%clk 0:26:04] } 28. Rd3 { [%eval 1.51] [%clk 1:18:45] } 28... Rh4?! { [%eval 2.48] } { Inaccuracy. Ka8 was best. } { [%clk 0:20:15] } 29. Rxd4 { [%eval 2.47] [%clk 1:17:02] } 29... exd4 { [%eval 2.5] [%clk 0:20:42] } 30. Qxd6+ { [%eval 2.62] [%clk 1:17:18] } 30... Ka8 { [%eval 2.63] [%clk 0:19:40] } 31. Nd1 { [%eval 2.83] [%clk 1:14:43] } 31... g5 { [%eval 3.23] [%clk 0:04:01] } 32. Nf2 { [%eval 3.17] [%clk 1:13:16] } 32... g4 { [%eval 3.35] [%clk 0:02:34] } 33. Bf4 { [%eval 3.26] [%clk 1:11:52] } 33... gxh3 { [%eval 3.39] [%clk 0:01:35] } 34. g3 { [%eval 3.49] [%clk 1:12:21] } 34... R4h7 { [%eval 3.34] [%clk 0:00:36] } 35. Qxd4 { [%eval 3.49] [%clk 1:08:38] } 35... Rg7 { [%eval 3.95] [%clk 0:04:17] } 36. Nd3 { [%eval 3.77] [%clk 1:06:53] } 36... Qh5 { [%eval 4.21] [%clk 0:03:45] } 37. Qe3?? { [%eval 1.86] } { Blunder. Rf1 was best. } { [%clk 1:04:52] } 37... Re8 { [%eval 2.88] [%clk 0:02:03] } 38. Qf2?? { [%eval 0.05] } { Blunder. Qd2 was best. } { [%clk 1:04:02] } 38... Rge7 { [%eval 0.0] [%clk 0:04:47] } 39. Nc5 { [%eval 0.0] [%clk 1:04:31] } 39... Qg4?? { [%eval 3.62] } { Blunder. Bxf5 was best. } { [%clk 0:01:59] } 40. Na6?? { [%eval 0.01] } { Blunder. Qd2 was best. } { [%clk 1:01:01] } 40... Kb7?? { [%eval 3.41] } { Blunder. Bc8 was best. } { [%clk 0:00:59] } 41. Nc5+ { [%eval 3.22] [%clk 1:01:30] } 41... Ka8 { [%eval 3.44] [%clk 0:03:59] } 42. Na6?? { [%eval 0.0] } { Blunder. Qd2 was best. } { [%clk 1:01:59] } 42... Kb7 { [%eval 0.21] [%clk 0:03:42] } 43. Nc5+ { [%eval 0.0] [%clk 1:02:28] } 43... Ka8 { [%eval 3.36] [%clk 0:04:04] } 44. Bd6?? { [%eval 0.0] } { Blunder. Qd2 was best. } { [%clk 1:01:46] } 44... Rf7?? { [%eval 2.91] } { Blunder. Rxe4 was best. } { [%clk 0:03:18] } 45. b4 { [%eval 2.31] [%clk 1:02:15] } 45... Bc8 { [%eval 1.89] [%clk 0:06:28] } 46. a4 { [%eval 2.61] [%clk 0:58:10] } 46... a6? { [%eval 4.72] } { Mistake. Rg7 was best. } { [%clk 0:03:58] } 47. b5 { [%eval 4.49] [%clk 0:58:34] } 47... cxb5 { [%eval 4.88] [%clk 0:01:55] } 48. axb5 { [%eval 5.31] [%clk 0:58:54] } 48... Bb7?! { [%eval 7.91] } { Inaccuracy. Rd8 was best. } { [%clk 0:01:29] } 49. Ra1 { [%eval 6.63] [%clk 0:58:05] } 49... Rxe4 { [%eval 6.07] [%clk 0:00:39] } 50. Ra2 { [%eval 5.22] [%clk 0:41:43] } 50... Rd4 { [%eval 6.69] [%clk 0:14:40] } 51. Nxb7 { [%eval 5.87] [%clk 0:40:43] } 51... Rxb7?? { [%eval #4] } { Checkmate is now unavoidable. Kxb7 was best. } { [%clk 0:15:08] } 52. Rxa6+ { [%eval #3] [%clk 0:41:11] } 52... Ra7 { [%eval #3] [%clk 0:15:29] } 53. Rxa7+ { [%eval #2] [%clk 0:41:40] } 53... Kxa7 { [%eval #2] [%clk 0:15:42] } 54. Bc5+? { [%eval 8.24] } { Lost forced checkmate sequence. Qa2+ was best. } { [%clk 0:42:09] } 54... Kb7 { [%eval 10.49] [%clk 0:15:49] } 55. Bxd4 { [%eval 10.05] [%clk 0:42:38] } 55... Qe4 { [%eval 10.56] [%clk 0:15:51] } 56. Bxf6 { [%eval 11.37] [%clk 0:43:07] } 56... Qg4 { [%eval 12.18] [%clk 0:14:12] } 57. Bh4 { [%eval 14.77] [%clk 0:43:34] } 57... Kc8?! { [%eval #9] } { Checkmate is now unavoidable. Qxc4 was best. } { [%clk 0:14:21] } 58. f6 { [%eval #9] [%clk 0:43:59] } 58... Kd8 { [%eval #5] [%clk 0:14:49] } 59. f7+ { [%eval #4] [%clk 0:44:28] } 59... Kd7 { [%eval #3] [%clk 0:13:13] } 1-0