Event: Round 8: Sergio Barrientos - Osvaldo Zambrana
Date: 2023-09-21
White: Sergio Barrientos
WhiteTitle: GM
Black: Osvaldo Zambrana
BlackTitle: GM
Result: 0-1
ECO: D30
Opening: Queen's Gambit Declined
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:27:19] } 1... d5 { [%eval 0.27] [%clk 1:30:47] } 2. c4 { [%eval 0.29] [%clk 1:27:27] } 2... e6 { [%eval 0.3] [%clk 1:31:11] } 3. Nf3 { [%eval 0.0] [%clk 1:27:25] } 3... h6 { [%eval 0.54] [%clk 1:31:32] } 4. g3 { [%eval 0.52] [%clk 1:25:15] } 4... Nf6 { [%eval 0.5] [%clk 1:31:47] } 5. Bg2 { [%eval 0.43] [%clk 1:25:36] } 5... Bd6 { [%eval 0.5] [%clk 1:32:07] } 6. O-O { [%eval 0.43] [%clk 1:25:48] } 6... O-O { [%eval 0.31] [%clk 1:32:19] } 7. Nc3 { [%eval 0.1] [%clk 1:26:06] } 7... Nc6 { [%eval 0.28] [%clk 1:32:15] } 8. e3 { [%eval -0.15] [%clk 1:18:17] } 8... dxc4 { [%eval -0.11] [%clk 1:29:22] } 9. Nd2 { [%eval -0.15] [%clk 1:16:55] } 9... e5 { [%eval -0.23] [%clk 1:28:29] } 10. d5 { [%eval -0.57] [%clk 1:14:49] } 10... Na5 { [%eval -0.45] [%clk 1:28:46] } 11. Qe2 { [%eval -0.79] [%clk 1:13:05] } 11... Bg4 { [%eval -0.77] [%clk 1:28:41] } 12. f3 { [%eval -0.81] [%clk 1:10:00] } 12... Bd7 { [%eval -0.88] [%clk 1:28:51] } 13. Nxc4 { [%eval -0.89] [%clk 1:02:04] } 13... Nxc4 { [%eval -0.82] [%clk 1:29:17] } 14. Qxc4 { [%eval -0.92] [%clk 1:02:28] } 14... c6 { [%eval -0.9] [%clk 1:29:34] } 15. Rd1 { [%eval -1.1] [%clk 0:59:04] } 15... cxd5 { [%eval -0.9] [%clk 1:19:18] } 16. Nxd5 { [%eval -0.81] [%clk 0:59:28] } 16... Rc8 { [%eval -0.92] [%clk 1:18:24] } 17. Qd3 { [%eval -1.11] [%clk 0:56:11] } 17... Be6?! { [%eval -0.44] } { Inaccuracy. Nxd5 was best. } { [%clk 1:16:29] } 18. e4?! { [%eval -1.0] } { Inaccuracy. Nf4 was best. } { [%clk 0:51:07] } 18... Bxd5 { [%eval -1.25] [%clk 1:09:46] } 19. exd5 { [%eval -1.14] [%clk 0:51:31] } 19... Qb6+ { [%eval -1.32] [%clk 1:09:58] } 20. Kh1 { [%eval -1.26] [%clk 0:49:15] } 20... Rfe8 { [%eval -1.27] [%clk 1:00:46] } 21. Qf5 { [%eval -1.39] [%clk 0:41:12] } 21... Bc5 { [%eval -1.37] [%clk 0:56:40] } 22. Bd2 { [%eval -1.73] [%clk 0:26:51] } 22... Rcd8 { [%eval -1.67] [%clk 0:48:30] } 23. f4 { [%eval -2.17] [%clk 0:25:06] } 23... g6 { [%eval -2.44] [%clk 0:48:35] } 24. Qh3 { [%eval -2.86] [%clk 0:23:06] } 24... h5 { [%eval -3.23] [%clk 0:48:27] } 25. f5 { [%eval -3.74] [%clk 0:18:36] } 25... Ng4 { [%eval -2.97] [%clk 0:47:46] } 26. Be1 { [%eval -4.02] [%clk 0:16:31] } 26... Bb4 { [%eval -4.04] [%clk 0:38:39] } 27. Bf3 { [%eval -4.34] [%clk 0:09:48] } 27... Bxe1 { [%eval -4.2] [%clk 0:38:56] } 28. Bxg4 { [%eval -4.17] [%clk 0:10:14] } 28... hxg4 { [%eval -4.2] [%clk 0:38:50] } 29. Qxg4 { [%eval -4.26] [%clk 0:10:40] } 29... Bf2 { [%eval -4.3] [%clk 0:38:26] } 30. Rf1 { [%eval -4.47] [%clk 0:09:57] } 30... Rxd5 { [%eval -4.62] [%clk 0:33:20] } 31. fxg6 { [%eval -4.38] [%clk 0:05:06] } 31... fxg6 { [%eval -4.83] [%clk 0:33:46] } 32. Qc4 { [%eval -5.22] [%clk 0:05:28] } 32... Rd8 { [%eval -4.98] [%clk 0:33:47] } 0-1