Event: Round 3: Alexander Katz - Aaron Jacobson
Site: https://lichess.org
Date: 2023-03-19
White: Alexander Katz
WhiteTitle: IM
Black: Aaron Jacobson
BlackTitle: FM
Result: 1-0
ECO: C11
Opening: French Defense: Steinitz Variation, Boleslavsky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:11] } 1... e6 { [%eval 0.0] [%clk 1:27:08] } 2. d4 { [%eval 0.3] [%clk 1:30:01] } 2... d5 { [%eval 0.25] [%clk 1:27:33] } 3. Nc3 { [%eval 0.18] [%clk 1:29:34] } 3... Nf6 { [%eval 0.0] [%clk 1:27:58] } 4. e5 { [%eval 0.0] [%clk 1:29:06] } 4... Nfd7 { [%eval 0.0] [%clk 1:28:23] } 5. f4 { [%eval 0.38] [%clk 1:29:30] } 5... c5 { [%eval 0.44] [%clk 1:28:50] } 6. Nf3 { [%eval 0.0] [%clk 1:29:53] } 6... Nc6 { [%eval 0.0] [%clk 1:29:16] } 7. Be3 { [%eval 0.0] [%clk 1:30:18] } 7... cxd4 { [%eval 0.4] [%clk 1:28:46] } 8. Nxd4 { [%eval 0.37] [%clk 1:30:42] } 8... Qb6 { [%eval 0.44] [%clk 1:29:14] } 9. Qd2 { [%eval 0.32] [%clk 1:29:48] } 9... Qxb2 { [%eval 0.41] [%clk 1:29:34] } 10. Rb1 { [%eval 0.47] [%clk 1:30:14] } 10... Qa3 { [%eval 0.39] [%clk 1:30:00] } 11. Bb5 { [%eval 0.31] [%clk 1:30:37] } 11... Nxd4 { [%eval 0.39] [%clk 1:30:26] } 12. Bxd4 { [%eval 0.38] [%clk 1:31:01] } 12... a6 { [%eval 0.36] [%clk 1:30:53] } 13. Bxd7+ { [%eval 0.44] [%clk 1:31:24] } 13... Bxd7 { [%eval 0.42] [%clk 1:31:21] } 14. Rb3 { [%eval 0.31] [%clk 1:31:47] } 14... Qe7 { [%eval 0.4] [%clk 1:31:48] } 15. Rxb7 { [%eval 0.3] [%clk 1:32:10] } 15... Rc8 { [%eval 0.51] [%clk 1:32:09] } 16. O-O { [%eval 0.51] [%clk 1:32:23] } 16... Qa3 { [%eval 1.02] [%clk 1:32:36] } 17. h3 { [%eval 0.53] [%clk 1:31:19] } 17... Bc5 { [%eval 0.8] [%clk 1:32:49] } 18. Ne2 { [%eval 0.89] [%clk 1:31:11] } 18... Qa4 { [%eval 1.17] [%clk 1:33:15] } 19. Bxc5 { [%eval 0.83] [%clk 1:30:13] } 19... Rxc5 { [%eval 0.86] [%clk 1:33:39] } 20. Qe3 { [%eval 0.82] [%clk 1:30:33] } 20... Rc8 { [%eval 0.85] [%clk 1:34:04] } 21. Qa7 { [%eval 0.86] [%clk 1:30:04] } 21... Rd8 { [%eval 0.9] [%clk 1:33:56] } 22. Nd4 { [%eval 0.78] [%clk 1:28:44] } 22... O-O { [%eval 0.78] [%clk 1:33:54] } 23. Kh2 { [%eval 0.62] [%clk 1:26:25] } 23... Bc8 { [%eval 0.76] [%clk 1:29:16] } 24. Rc7 { [%eval 0.73] [%clk 1:26:23] } 24... Rd7 { [%eval 0.74] [%clk 1:29:39] } 25. Rxd7 { [%eval 0.72] [%clk 1:25:36] } 25... Bxd7 { [%eval 0.76] [%clk 1:30:03] } 26. Rb1 { [%eval 0.65] [%clk 1:16:32] } 26... Qxa2?! { [%eval 1.25] } { Inaccuracy. Bb5 was best. } { [%clk 1:30:27] } 27. Rb7 { [%eval 1.21] [%clk 1:14:14] } 27... Bc8? { [%eval 2.52] } { Mistake. Qa3 was best. } { [%clk 1:25:25] } 28. Rc7 { [%eval 2.49] [%clk 1:12:44] } 28... a5 { [%eval 3.13] [%clk 0:42:09] } 29. f5 { [%eval 3.52] [%clk 1:04:02] } 29... Qa1 { [%eval 4.27] [%clk 0:38:02] } 30. Qc5 { [%eval 4.12] [%clk 1:00:42] } 30... Ba6 { [%eval 5.09] [%clk 0:35:10] } 31. Rd7? { [%eval 2.94] } { Mistake. fxe6 was best. } { [%clk 0:47:58] } 31... Bb5 { [%eval 2.56] [%clk 0:29:01] } 32. fxe6 { [%eval 2.39] [%clk 0:43:46] } 32... fxe6 { [%eval 3.37] [%clk 0:27:56] } 33. Rxg7+?! { [%eval 2.33] } { Inaccuracy. Re7 was best. } { [%clk 0:43:06] } 33... Kxg7 { [%eval 2.38] [%clk 0:28:20] } 34. Nxe6+ { [%eval 2.58] [%clk 0:43:14] } 34... Kg6 { [%eval 2.69] [%clk 0:27:58] } 35. Nxf8+ { [%eval 2.59] [%clk 0:42:45] } 35... Kf5 { [%eval 2.47] [%clk 0:22:06] } 36. Qxb5 { [%eval 2.44] [%clk 0:37:10] } 36... Qxe5+ { [%eval 2.76] [%clk 0:22:22] } 37. g3 { [%eval 2.78] [%clk 0:36:40] } 37... Qe4 { [%eval 2.84] [%clk 0:19:43] } 38. Qd7+? { [%eval 1.03] } { Mistake. Qf1+ was best. } { [%clk 0:33:56] } 38... Ke5?? { [%eval 4.88] } { Blunder. Kf6 was best. } { [%clk 0:20:04] } 39. Qg7+ { [%eval 4.93] [%clk 0:33:04] } 39... Kd6 { [%eval 4.81] [%clk 0:20:16] } 40. Qf6+ { [%eval 4.85] [%clk 0:33:24] } 40... Kc5 { [%eval 4.89] [%clk 0:18:49] } 41. Nd7+ { [%eval 5.02] [%clk 0:33:33] } 41... Kb4 { [%eval 4.94] [%clk 0:19:12] } 42. Qb6+ { [%eval 4.95] [%clk 0:31:05] } 42... Kc3 { [%eval 4.94] [%clk 0:19:36] } 43. Qxa5+ { [%eval 4.46] [%clk 0:31:26] } 43... Kxc2 { [%eval 4.48] [%clk 0:19:59] } 44. Qa2+ { [%eval 5.01] [%clk 0:31:52] } 44... Kc3 { [%eval 5.16] [%clk 0:16:40] } 45. Nf6 { [%eval 5.23] [%clk 0:31:34] } 45... Qc4? { [%eval 10.26] } { Mistake. Qe6 was best. } { [%clk 0:16:45] } 46. Nxd5+ { [%eval 12.14] [%clk 0:31:47] } 1-0