Event: Round 3: Justin Chen - Oliver Barbosa
Date: 2023-05-26
White: Justin Chen
WhiteTitle: FM
Black: Oliver Barbosa
BlackTitle: GM
Result: 1-0
ECO: D12
Opening: Slav Defense: Quiet Variation, Schallopp Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:54] } 1... d5 { [%eval 0.27] [%clk 1:30:23] } 2. c4 { [%eval 0.29] [%clk 1:31:20] } 2... c6 { [%eval 0.3] [%clk 1:30:47] } 3. Nf3 { [%eval 0.32] [%clk 1:31:26] } 3... Nf6 { [%eval 0.38] [%clk 1:31:09] } 4. e3 { [%eval 0.24] [%clk 1:31:49] } 4... Bf5 { [%eval 0.3] [%clk 1:30:29] } 5. Nc3 { [%eval 0.27] [%clk 1:32:13] } 5... e6 { [%eval 0.24] [%clk 1:30:50] } 6. Nh4 { [%eval 0.28] [%clk 1:32:02] } 6... Be4 { [%eval 0.4] [%clk 1:30:57] } 7. f3 { [%eval 0.35] [%clk 1:32:19] } 7... Bg6 { [%eval 0.0] [%clk 1:31:20] } 8. Qb3 { [%eval 0.27] [%clk 1:32:46] } 8... Qc7 { [%eval 0.36] [%clk 1:31:43] } 9. cxd5 { [%eval 0.29] [%clk 1:33:10] } 9... cxd5 { [%eval 0.46] [%clk 1:30:08] } 10. Nxg6 { [%eval 0.39] [%clk 1:33:29] } 10... hxg6 { [%eval 0.44] [%clk 1:30:30] } 11. Bd2 { [%eval 0.36] [%clk 1:33:56] } 11... Nc6 { [%eval 0.47] [%clk 1:28:36] } 12. O-O-O { [%eval 0.37] [%clk 1:34:15] } 12... a6 { [%eval 0.48] [%clk 1:26:37] } 13. Kb1 { [%eval 0.18] [%clk 1:34:32] } 13... Bd6 { [%eval 0.55] [%clk 1:25:46] } 14. h4 { [%eval 0.54] [%clk 1:30:16] } 14... O-O { [%eval 0.41] [%clk 1:23:46] } 15. Rc1 { [%eval 0.42] [%clk 1:29:16] } 15... b5 { [%eval 0.44] [%clk 1:20:28] } 16. Qd1 { [%eval 0.42] [%clk 1:27:26] } 16... Qb6 { [%eval 0.66] [%clk 1:07:53] } 17. g4 { [%eval 0.8] [%clk 1:10:25] } 17... Rfc8 { [%eval 0.77] [%clk 1:01:29] } 18. h5 { [%eval 0.52] [%clk 1:05:46] } 18... Na5?? { [%eval 2.59] } { Blunder. g5 was best. } { [%clk 0:56:59] } 19. hxg6 { [%eval 2.57] [%clk 1:05:19] } 19... fxg6 { [%eval 2.6] [%clk 0:56:54] } 20. Bd3 { [%eval 2.66] [%clk 1:01:18] } 20... Kf7 { [%eval 2.81] [%clk 0:55:59] } 21. Qe2? { [%eval 1.45] } { Mistake. g5 was best. } { [%clk 0:38:54] } 21... Nc4 { [%eval 1.09] [%clk 0:55:39] } 22. f4 { [%eval 1.05] [%clk 0:36:41] } 22... b4 { [%eval 0.96] [%clk 0:46:30] } 23. Na4 { [%eval 0.79] [%clk 0:36:39] } 23... Qb5 { [%eval 1.08] [%clk 0:38:02] } 24. b3 { [%eval 1.09] [%clk 0:33:10] } 24... Ne4 { [%eval 1.19] [%clk 0:38:21] } 25. bxc4 { [%eval 1.01] [%clk 0:32:23] } 25... Qxa4 { [%eval 1.06] [%clk 0:36:10] } 26. Bxe4 { [%eval 1.13] [%clk 0:20:27] } 26... b3 { [%eval 1.25] [%clk 0:35:25] } 27. Bc3 { [%eval 1.13] [%clk 0:19:03] } 27... Rab8 { [%eval 1.26] [%clk 0:33:56] } 28. cxd5?! { [%eval 0.57] } { Inaccuracy. Bxg6+ was best. } { [%clk 0:08:06] } 28... Ba3 { [%eval 0.5] [%clk 0:32:39] } 29. dxe6+ { [%eval 0.24] [%clk 0:08:23] } 29... Ke7 { [%eval 0.57] [%clk 0:33:07] } 30. f5 { [%eval 0.13] [%clk 0:04:12] } 30... Bxc1?? { [%eval 3.16] } { Blunder. gxf5 was best. } { [%clk 0:31:03] } 31. Rxc1 { [%eval 3.47] [%clk 0:03:23] } 31... bxa2+ { [%eval 3.95] [%clk 0:16:04] } 32. Ka1 { [%eval 4.08] [%clk 0:03:51] } 32... Rb3 { [%eval 4.2] [%clk 0:16:28] } 33. Bb2 { [%eval 4.3] [%clk 0:02:48] } 33... Rxc1+ { [%eval 4.31] [%clk 0:15:07] } 34. Bxc1 { [%eval 4.57] [%clk 0:03:17] } 34... Qb4 { [%eval 4.66] [%clk 0:14:44] } 35. Bb2 { [%eval 4.5] [%clk 0:02:58] } 35... a5 { [%eval 5.14] [%clk 0:12:24] } 36. Bd5 { [%eval 5.1] [%clk 0:02:46] } 36... a4 { [%eval 5.43] [%clk 0:09:39] } 37. Bxb3 { [%eval 5.54] [%clk 0:02:58] } 37... Qxb3 { [%eval 5.78] [%clk 0:10:03] } 38. Qe1 { [%eval 5.67] [%clk 0:02:36] } 38... a3 { [%eval 6.86] [%clk 0:08:29] } 39. Bc3 { [%eval 6.28] [%clk 0:03:04] } 1-0