Event: Round 5: Barbosa, Oliver - Jacobson, Aaron
Date: 2025-01-18
White: Barbosa, Oliver
WhiteTitle: GM
WhiteElo: 2451
Black: Jacobson, Aaron
BlackTitle: IM
BlackElo: 2353
Result: 1-0
ECO: D37
Opening: Queen's Gambit Declined: Barmen Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:25:10] } 2. c4 { [%eval 0.18] [%clk 1:31:17] } 2... e6 { [%eval 0.11] [%clk 1:25:30] } 3. Nf3 { [%eval 0.12] [%clk 1:31:38] } 3... d5 { [%eval 0.17] [%clk 1:25:49] } 4. Nc3 { [%eval 0.1] [%clk 1:32:02] } 4... Nbd7 { [%eval 0.27] [%clk 1:26:06] } 5. Bg5 { [%eval 0.21] [%clk 1:32:23] } 5... h6 { [%eval 0.22] [%clk 1:25:44] } 6. Bh4 { [%eval 0.14] [%clk 1:32:45] } 6... Be7 { [%eval 0.22] [%clk 1:25:54] } 7. e3 { [%eval 0.17] [%clk 1:33:09] } 7... O-O { [%eval 0.19] [%clk 1:26:14] } 8. Bd3 { [%eval 0.05] [%clk 1:33:28] } 8... c5 { [%eval -0.01] [%clk 1:22:14] } 9. O-O { [%eval 0.0] [%clk 1:33:15] } 9... b6 { [%eval 0.0] [%clk 1:17:12] } 10. cxd5 { [%eval 0.0] [%clk 1:32:51] } 10... Nxd5 { [%eval 0.04] [%clk 1:16:46] } 11. Bg3 { [%eval 0.0] [%clk 1:32:22] } 11... Bb7 { [%eval 0.02] [%clk 1:13:57] } 12. e4 { [%eval 0.0] [%clk 1:32:21] } 12... Nb4 { [%eval -0.03] [%clk 1:10:04] } 13. Bb5 { [%eval 0.0] [%clk 1:27:59] } 13... cxd4 { [%eval -0.01] [%clk 0:58:01] } 14. Nxd4 { [%eval -0.27] [%clk 1:28:18] } 14... Nc5 { [%eval -0.29] [%clk 0:55:25] } 15. a3 { [%eval -0.29] [%clk 1:18:31] } 15... Nbd3 { [%eval -0.33] [%clk 0:54:59] } 16. Bxd3 { [%eval -0.59] [%clk 0:54:32] } 16... Qxd4 { [%eval -0.66] [%clk 0:55:09] } 17. Bc2 { [%eval -0.66] [%clk 0:54:27] } 17... Qc4 { [%eval -0.52] [%clk 0:46:43] } 18. Be5 { [%eval -0.48] [%clk 0:52:02] } 18... Rfd8 { [%eval -0.38] [%clk 0:41:50] } 19. Qg4 { [%eval -0.45] [%clk 0:51:28] } 19... Bf8 { [%eval -0.52] [%clk 0:38:19] } 20. Rad1 { [%eval -0.48] [%clk 0:49:41] } 20... Nd7 { [%eval -0.17] [%clk 0:14:44] } 21. Bd4 { [%eval -0.28] [%clk 0:46:08] } 21... e5 { [%eval 0.0] [%clk 0:14:59] } 22. Be3 { [%eval 0.0] [%clk 0:45:32] } 22... Nf6 { [%eval 0.0] [%clk 0:15:18] } 23. Qf5 { [%eval 0.0] [%clk 0:44:50] } 23... Bxa3 { [%eval 0.0] [%clk 0:12:59] } 24. Bxh6 { [%eval 0.0] [%clk 0:39:09] } 24... Qe6 { [%eval 0.23] [%clk 0:03:24] } 25. Qg5? { [%eval -1.42] } { Mistake. Qxe6 was best. } { [%clk 0:32:43] } 25... Bf8 { [%eval -1.4] [%clk 0:03:26] } 26. Rxd8 { [%eval -1.55] [%clk 0:30:07] } 26... Rxd8 { [%eval -1.51] [%clk 0:03:50] } 27. Qg3 { [%eval -1.43] [%clk 0:30:34] } 27... Rc8?! { [%eval -0.58] } { Inaccuracy. Rd4 was best. } { [%clk 0:00:32] } 28. Bg5 { [%eval -0.47] [%clk 0:29:32] } 28... b5 { [%eval -0.61] [%clk 0:00:55] } 29. Re1?? { [%eval -4.12] } { Blunder. Bd3 was best. } { [%clk 0:17:28] } 29... b4 { [%eval -4.23] [%clk 0:01:00] } 30. Nd5 { [%eval -3.98] [%clk 0:17:57] } 30... Nxd5?? { [%eval -0.77] } { Blunder. Nh5 was best. } { [%clk 0:00:04] } 1-0