Event: U.S. Junior Championship
Site: Saint Louis, United States
Date: 2021-07-16
White: Jacobson, Brandon
WhiteElo: 2504
Black: Checa, Nicolas
BlackElo: 2552
Result: 0-1
ECO: A06
Opening: Zukertort Opening
Variant: Standard

1. Nf3 { [%eval 0.13] [%clk 1:30:58] } 1... d5 { [%eval 0.2] [%clk 1:30:51] } 2. e3 { [%eval 0.0] [%clk 1:31:21] } 2... Nf6 { [%eval 0.06] [%clk 1:30:49] } 3. c4 { [%eval 0.07] [%clk 1:31:44] } 3... e6 { [%eval 0.09] [%clk 1:29:43] } 4. Nc3 { [%eval 0.0] [%clk 1:32:04] } 4... Be7 { [%eval 0.04] [%clk 1:26:36] } 5. b3 { [%eval 0.0] [%clk 1:32:13] } 5... O-O { [%eval 0.12] [%clk 1:24:45] } 6. Bb2 { [%eval 0.0] [%clk 1:32:36] } 6... b6 { [%eval 0.4] [%clk 1:22:49] } 7. cxd5 { [%eval 0.12] [%clk 1:32:27] } 7... exd5 { [%eval 0.14] [%clk 1:23:03] } 8. d4 { [%eval 0.2] [%clk 1:32:52] } 8... c5 { [%eval 0.31] [%clk 1:19:03] } 9. Bd3 { [%eval 0.19] [%clk 1:29:30] } 9... Nc6 { [%eval 0.08] [%clk 1:17:27] } 10. dxc5 { [%eval 0.05] [%clk 1:28:54] } 10... bxc5 { [%eval 0.12] [%clk 1:14:50] } 11. O-O { [%eval 0.08] [%clk 1:28:55] } 11... Bb7 { [%eval 0.31] [%clk 1:05:58] } 12. Rc1 { [%eval 0.41] [%clk 1:27:35] } 12... Qa5?! { [%eval 1.1] } { Inaccuracy. d4 was best. } { [%clk 0:58:50] } 13. Na4 { [%eval 0.58] [%clk 1:22:52] } 13... Ne4 { [%eval 0.87] [%clk 0:51:19] } 14. Bxe4 { [%eval 1.16] [%clk 1:13:53] } 14... dxe4 { [%eval 1.32] [%clk 0:51:46] } 15. Ne5? { [%eval 0.25] } { Mistake. Nh4 was best. } { [%clk 1:14:17] } 15... Nxe5 { [%eval 0.14] [%clk 0:46:35] } 16. Bxe5 { [%eval 0.44] [%clk 1:14:39] } 16... c4 { [%eval 0.24] [%clk 0:41:38] } 17. Bc3 { [%eval 0.19] [%clk 1:08:43] } 17... Qg5 { [%eval 0.1] [%clk 0:41:07] } 18. bxc4 { [%eval 0.13] [%clk 1:07:38] } 18... Rad8 { [%eval 0.12] [%clk 0:39:47] } 19. Qc2 { [%eval 0.0] [%clk 1:06:06] } 19... Rd6 { [%eval 0.0] [%clk 0:38:20] } 20. Qe2?? { [%eval -3.06] } { Blunder. Rb1 was best. } { [%clk 0:41:15] } 20... Rg6 { [%eval -2.7] [%clk 0:22:19] } 21. g3 { [%eval -2.7] [%clk 0:41:40] } 21... Rh6?! { [%eval -1.53] } { Inaccuracy. Bc6 was best. } { [%clk 0:20:29] } 22. Rfd1 { [%eval -1.25] [%clk 0:42:04] } 22... Bc8 { [%eval -2.0] [%clk 0:20:48] } 23. Rd5 { [%eval -1.92] [%clk 0:35:14] } 23... Qg6 { [%eval -1.83] [%clk 0:21:16] } 24. f4? { [%eval -3.16] } { Mistake. Bd4 was best. } { [%clk 0:32:25] } 24... exf3 { [%eval -3.2] [%clk 0:21:41] } 25. Qxf3 { [%eval -3.21] [%clk 0:32:52] } 25... Bb7 { [%eval -3.49] [%clk 0:21:59] } 26. e4?! { [%eval -4.64] } { Inaccuracy. Bd4 was best. } { [%clk 0:29:33] } 26... Bxd5 { [%eval -4.79] [%clk 0:20:31] } 27. exd5 { [%eval -5.07] [%clk 0:29:57] } 27... Bg5 { [%eval -4.72] [%clk 0:19:59] } 28. Rf1 { [%eval -5.72] [%clk 0:25:55] } 28... Qc2 { [%eval -5.65] [%clk 0:20:18] } 29. h4 { [%eval -5.46] [%clk 0:26:20] } 29... Bf6 { [%eval -4.44] [%clk 0:16:07] } 30. Qd1 { [%eval -4.82] [%clk 0:20:31] } 30... Qg6 { [%eval -4.72] [%clk 0:16:26] } 31. Qf3 { [%eval -5.04] [%clk 0:17:32] } 31... Qc2 { [%eval -4.87] [%clk 0:16:24] } 32. Qd1 { [%eval -4.9] [%clk 0:17:47] } 32... Qg6 { [%eval -4.65] [%clk 0:16:51] } 33. Qf3 { [%eval -5.09] [%clk 0:18:10] } 33... Bxh4 { [%eval -5.11] [%clk 0:15:42] } 34. Be5 { [%eval -5.85] [%clk 0:18:28] } 34... Bg5 { [%eval -4.87] [%clk 0:15:34] } 35. Nc3 { [%eval -4.69] [%clk 0:17:52] } 35... Qc2 { [%eval -4.89] [%clk 0:14:53] } 36. Rf2 { [%eval -4.57] [%clk 0:16:42] } 36... Qc1+ { [%eval -4.79] [%clk 0:14:49] } 37. Rf1 { [%eval -4.23] [%clk 0:17:06] } 37... Qd2 { [%eval -4.19] [%clk 0:14:18] } 38. Ne2?! { [%eval -5.72] } { Inaccuracy. Qe2 was best. } { [%clk 0:12:56] } 38... Ra6 { [%eval -5.18] [%clk 0:12:25] } 39. a3 { [%eval -6.23] [%clk 0:10:29] } 39... Be3+?! { [%eval -4.82] } { Inaccuracy. Rxa3 was best. } { [%clk 0:10:20] } 40. Kh1 { [%eval -5.47] [%clk 0:39:35] } 40... Bc5 { [%eval -5.4] [%clk 0:37:13] } 41. Qg4 { [%eval -5.32] [%clk 0:32:43] } 41... Rh6+ { [%eval -4.68] [%clk 0:33:36] } 42. Kg2 { [%eval -5.03] [%clk 0:33:07] } 42... Rg6 { [%eval -4.83] [%clk 0:34:04] } 43. Qf3 { [%eval -5.13] [%clk 0:33:12] } 43... Ra6 { [%eval -5.23] [%clk 0:34:22] } 44. Qg4 { [%eval -6.24] [%clk 0:30:40] } 44... g6 { [%eval -6.61] [%clk 0:33:52] } 45. Bc3 { [%eval -6.59] [%clk 0:27:45] } 45... Qd3 { [%eval -6.55] [%clk 0:30:37] } 46. Bb4 { [%eval -6.85] [%clk 0:26:42] } 46... Bxb4 { [%eval -6.92] [%clk 0:29:47] } 47. axb4 { [%eval -6.91] [%clk 0:27:10] } 47... h5 { [%eval -6.84] [%clk 0:29:52] } 0-1