Event: Round 4: Justin Lee - Aaron Jacobson
Date: 2021-12-28
White: Justin Lee
Black: Aaron Jacobson
BlackTitle: FM
Result: 1/2-1/2
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard

1. d4 { [%eval 0.3] [%clk 1:24:49] } 1... Nf6 { [%eval 0.22] [%clk 1:30:50] } 2. c4 { [%eval 0.23] [%clk 1:25:15] } 2... e6 { [%eval 0.28] [%clk 1:31:14] } 3. Nc3 { [%eval 0.05] [%clk 1:25:40] } 3... Bb4 { [%eval 0.25] [%clk 1:31:21] } 4. f3 { [%eval 0.0] [%clk 1:26:03] } 4... c5 { [%eval 0.0] [%clk 1:30:09] } 5. d5 { [%eval 0.0] [%clk 1:26:10] } 5... b5 { [%eval 0.0] [%clk 1:30:25] } 6. e4 { [%eval 0.05] [%clk 1:26:31] } 6... O-O { [%eval 0.22] [%clk 1:30:48] } 7. e5 { [%eval 0.0] [%clk 1:24:31] } 7... Ne8 { [%eval 0.0] [%clk 1:29:27] } 8. f4 { [%eval 0.49] [%clk 1:24:43] } 8... exd5 { [%eval 0.48] [%clk 1:27:41] } 9. cxd5 { [%eval 0.34] [%clk 1:24:06] } 9... d6 { [%eval 0.35] [%clk 1:27:54] } 10. Nf3 { [%eval 0.45] [%clk 1:23:12] } 10... Bg4?! { [%eval 1.15] } { Inaccuracy. c4 was best. } { [%clk 1:26:41] } 11. Bxb5?! { [%eval 0.44] } { Inaccuracy. Be2 was best. } { [%clk 1:01:10] } 11... dxe5 { [%eval 0.26] [%clk 1:14:53] } 12. fxe5 { [%eval 0.55] [%clk 0:58:53] } 12... Nc7 { [%eval 0.36] [%clk 1:15:12] } 13. Bd3 { [%eval 0.42] [%clk 0:48:52] } 13... Nxd5? { [%eval 1.7] } { Mistake. Nd7 was best. } { [%clk 1:07:34] } 14. Bd2?? { [%eval -1.26] } { Blunder. O-O was best. } { [%clk 0:41:59] } 14... Nxc3 { [%eval -0.79] [%clk 0:48:51] } 15. Bxc3 { [%eval -0.75] [%clk 0:42:05] } 15... Bxc3+ { [%eval -0.8] [%clk 0:49:15] } 16. bxc3 { [%eval -0.75] [%clk 0:42:31] } 16... Nd7 { [%eval -0.84] [%clk 0:49:04] } 17. Be4 { [%eval -0.58] [%clk 0:37:15] } 17... Bxf3 { [%eval -0.18] [%clk 0:41:55] } 18. Qxf3 { [%eval -0.2] [%clk 0:31:55] } 18... Rb8 { [%eval 0.0] [%clk 0:36:22] } 19. Rd1? { [%eval -1.46] } { Mistake. O-O was best. } { [%clk 0:28:44] } 19... Qh4+ { [%eval -1.48] [%clk 0:30:06] } 20. g3 { [%eval -1.62] [%clk 0:21:53] } 20... Qh3 { [%eval -1.72] [%clk 0:28:32] } 21. Rd5 { [%eval -2.06] [%clk 0:18:29] } 21... Rbe8?! { [%eval -1.11] } { Inaccuracy. Rfe8 was best. } { [%clk 0:21:38] } 22. Bf5 { [%eval -0.79] [%clk 0:15:21] } 22... Nxe5 { [%eval -0.94] [%clk 0:19:19] } 23. Bxh3 { [%eval -1.1] [%clk 0:15:37] } 23... Nxf3+ { [%eval -0.79] [%clk 0:19:43] } 24. Kf2 { [%eval -0.87] [%clk 0:16:00] } 24... Ne5 { [%eval -0.91] [%clk 0:18:58] } 25. Rb1 { [%eval -0.88] [%clk 0:14:25] } 25... f6 { [%eval -0.62] [%clk 0:18:40] } 26. Bf1 { [%eval -0.48] [%clk 0:11:22] } 26... Rd8 { [%eval -0.6] [%clk 0:12:34] } 27. Rxc5 { [%eval -0.89] [%clk 0:08:24] } 27... Rd2+ { [%eval -0.9] [%clk 0:12:48] } 28. Ke3 { [%eval -1.08] [%clk 0:08:46] } 28... Rxh2 { [%eval -0.84] [%clk 0:09:08] } 29. Rb7?! { [%eval -1.68] } { Inaccuracy. Rc7 was best. } { [%clk 0:07:34] } 29... Ng4+ { [%eval -2.02] [%clk 0:06:08] } 30. Ke4?! { [%eval -3.11] } { Inaccuracy. Kf3 was best. } { [%clk 0:04:18] } 30... Re8+ { [%eval -3.55] [%clk 0:02:57] } 31. Kf4? { [%eval -5.67] } { Mistake. Kd4 was best. } { [%clk 0:02:32] } 31... h5 { [%eval -5.33] [%clk 0:02:33] } 32. Bc4+ { [%eval -5.72] [%clk 0:02:06] } 32... Kh7?? { [%eval -0.51] } { Blunder. Kh8 was best. } { [%clk 0:01:51] } 33. Rxh5+ { [%eval -0.51] [%clk 0:01:43] } 33... Rxh5 { [%eval -0.58] [%clk 0:02:18] } 34. Bf7 { [%eval -0.5] [%clk 0:02:10] } 34... Rc8 { [%eval -0.47] [%clk 0:00:39] } 35. Bxh5 { [%eval -0.57] [%clk 0:02:34] } 35... Rc4+ { [%eval -0.35] [%clk 0:01:04] } 36. Kf3 { [%eval -0.52] [%clk 0:02:38] } 36... Ne5+ { [%eval -0.5] [%clk 0:01:24] } 37. Kg2 { [%eval -0.62] [%clk 0:02:44] } 37... Ra4 { [%eval -0.49] [%clk 0:01:01] } 38. Rb2 { [%eval -0.51] [%clk 0:02:58] } 38... Nc4 { [%eval -0.74] [%clk 0:00:43] } 39. Re2 { [%eval -0.81] [%clk 0:03:22] } 39... Ra3 { [%eval -1.16] [%clk 0:00:38] } 40. Bf7 { [%eval -0.83] [%clk 0:03:44] } 40... Rxc3 { [%eval -0.91] [%clk 0:00:35] } 41. Re4 { [%eval -0.87] [%clk 0:04:07] } 41... Ne3+ { [%eval -0.88] [%clk 0:00:50] } 42. Kf2 { [%eval -0.9] [%clk 0:02:32] } 42... Nf5 { [%eval -0.87] [%clk 0:01:05] } 43. Rf4?! { [%eval -1.49] } { Inaccuracy. Ra4 was best. } { [%clk 0:02:27] } 43... Nh6 { [%eval -1.5] [%clk 0:00:44] } 44. Bb3 { [%eval -1.29] [%clk 0:02:50] } 44... Kg6 { [%eval -1.12] [%clk 0:00:34] } 45. Rb4 { [%eval -1.26] [%clk 0:02:44] } 45... Nf5 { [%eval -1.04] [%clk 0:00:32] } 46. Be6 { [%eval -1.03] [%clk 0:02:00] } 46... Nd6? { [%eval 0.0] } { Mistake. Rc2+ was best. } { [%clk 0:00:32] } 47. Rg4+ { [%eval 0.0] [%clk 0:02:18] } 47... Kh6 { [%eval 0.0] [%clk 0:00:33] } 48. Rh4+ { [%eval 0.0] [%clk 0:02:42] } 1/2-1/2