Event: Round 4: Ezra Chambers - Aaron Jacobson
Date: 2023-08-04
White: Ezra Chambers
WhiteTitle: FM
Black: Aaron Jacobson
BlackTitle: FM
Result: 0-1
ECO: B58
Opening: Sicilian Defense: Boleslavsky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:18:37] } 2. Nf3 { [%eval 0.0] [%clk 1:31:18] } 2... d6 { [%eval 0.0] [%clk 1:18:58] } 3. d4 { [%eval 0.25] [%clk 1:31:43] } 3... cxd4 { [%eval 0.13] [%clk 1:19:24] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:09] } 4... Nf6 { [%eval 0.3] [%clk 1:19:50] } 5. Nc3 { [%eval 0.21] [%clk 1:32:36] } 5... Nc6 { [%eval 0.47] [%clk 1:20:17] } 6. Be2 { [%eval 0.12] [%clk 1:29:30] } 6... e5 { [%eval 0.12] [%clk 1:20:41] } 7. Nf3 { [%eval 0.0] [%clk 1:29:29] } 7... h6 { [%eval 0.16] [%clk 1:21:06] } 8. O-O { [%eval 0.36] [%clk 1:25:37] } 8... Be7 { [%eval 0.27] [%clk 1:20:40] } 9. Re1 { [%eval 0.23] [%clk 1:25:41] } 9... O-O { [%eval 0.31] [%clk 1:20:03] } 10. Bf1 { [%eval 0.0] [%clk 1:25:52] } 10... Be6 { [%eval 0.46] [%clk 1:12:51] } 11. Nd5 { [%eval 0.33] [%clk 1:18:15] } 11... Bg4 { [%eval 0.43] [%clk 1:08:26] } 12. h3 { [%eval 0.41] [%clk 1:08:28] } 12... Bh5 { [%eval 0.51] [%clk 1:08:03] } 13. Nxf6+ { [%eval 0.37] [%clk 0:58:03] } 13... Bxf6 { [%eval 0.49] [%clk 1:08:12] } 14. g4 { [%eval 0.09] [%clk 0:55:32] } 14... Bg6 { [%eval 0.14] [%clk 1:08:37] } 15. c4 { [%eval 0.0] [%clk 0:54:19] } 15... Bg5 { [%eval 0.49] [%clk 1:04:27] } 16. Bxg5 { [%eval 0.26] [%clk 0:44:31] } 16... hxg5 { [%eval 0.29] [%clk 1:04:45] } 17. Qd5 { [%eval 0.22] [%clk 0:44:49] } 17... Qe7 { [%eval 0.49] [%clk 0:57:48] } 18. Rad1 { [%eval 0.48] [%clk 0:44:00] } 18... Rfd8 { [%eval 0.63] [%clk 0:58:03] } 19. Re3 { [%eval 0.39] [%clk 0:39:51] } 19... Kf8 { [%eval 0.6] [%clk 0:54:58] } 20. Qd2 { [%eval 0.49] [%clk 0:36:25] } 20... Bh7 { [%eval 0.54] [%clk 0:35:14] } 21. Bg2 { [%eval 0.46] [%clk 0:30:19] } 21... Rac8 { [%eval 0.47] [%clk 0:34:31] } 22. Rde1 { [%eval 0.14] [%clk 0:24:50] } 22... f6 { [%eval 0.39] [%clk 0:22:29] } 23. Rd3 { [%eval 0.24] [%clk 0:19:35] } 23... Qe6 { [%eval 0.2] [%clk 0:21:18] } 24. b3 { [%eval 0.17] [%clk 0:18:08] } 24... Ne7 { [%eval 0.27] [%clk 0:20:11] } 25. Rd1 { [%eval 0.26] [%clk 0:14:02] } 25... Ng6 { [%eval 0.15] [%clk 0:16:45] } 26. Qb4 { [%eval 0.24] [%clk 0:08:26] } 26... Nf4 { [%eval 0.24] [%clk 0:17:02] } 27. Rxd6 { [%eval 0.33] [%clk 0:07:37] } 27... Rxd6 { [%eval 0.27] } 28. Rxd6 { [%eval 0.32] [%clk 0:08:05] } 28... Qe7 { [%eval 0.21] [%clk 0:17:35] } 29. c5?! { [%eval -0.7] } { Inaccuracy. h4 was best. } { [%clk 0:07:10] } 29... Ne6 { [%eval -0.8] [%clk 0:17:30] } 30. Nd2?! { [%eval -1.44] } { Inaccuracy. Rd1 was best. } { [%clk 0:03:00] } 30... Nxc5 { [%eval -1.51] [%clk 0:14:15] } 31. Nc4 { [%eval -1.63] [%clk 0:03:17] } 31... Bxe4 { [%eval -1.67] [%clk 0:07:57] } 32. Bf1 { [%eval -1.85] [%clk 0:02:36] } 32... Ne6 { [%eval -1.78] [%clk 0:06:38] } 33. Qa3? { [%eval -3.11] } { Mistake. Bg2 was best. } { [%clk 0:00:39] } 33... Nd4 { [%eval -3.17] [%clk 0:06:15] } 34. Bg2?! { [%eval -4.96] } { Inaccuracy. Ne3 was best. } { [%clk 0:00:46] } 34... Bxg2 { [%eval -5.07] [%clk 0:05:46] } 35. Qxa7 { [%eval -5.73] [%clk 0:00:36] } 35... Bc6 { [%eval -5.33] [%clk 0:04:43] } 36. Qb6 { [%eval -5.08] [%clk 0:00:40] } 36... Qc7 { [%eval -5.12] [%clk 0:03:08] } 37. Qb4 { [%eval -5.13] [%clk 0:00:50] } 37... Kg8 { [%eval -5.05] [%clk 0:03:22] } 38. a4 { [%eval -5.13] [%clk 0:01:04] } 38... Be8 { [%eval -5.15] [%clk 0:01:38] } 39. Rb6 { [%eval -5.34] [%clk 0:00:57] } 39... Bc6 { [%eval -5.14] [%clk 0:01:21] } 40. Nd6 { [%eval -5.9] [%clk 0:00:40] } 40... Rd8 { [%eval -5.87] [%clk 0:01:39] } 41. Nxb7?? { [%eval #-11] } { Checkmate is now unavoidable. Qc4+ was best. } { [%clk 0:00:43] } 41... Rb8?? { [%eval -5.2] } { Lost forced checkmate sequence. Nf3+ was best. } { [%clk 0:01:16] } 42. Qc4+ { [%eval -5.04] [%clk 0:00:56] } 42... Kh8 { [%eval -5.19] [%clk 0:01:35] } 0-1