Event: Round 7: Sergio E Barrientos - Roberto Carlos Sanchez Alvarez
Date: 2022-03-24
White: Sergio E Barrientos
WhiteTitle: GM
Black: Roberto Carlos Sanchez Alvarez
BlackTitle: IM
Result: 0-1
ECO: D41
Opening: Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation
Variant: Standard

1. d4 { [%eval 0.3] [%clk 1:24:37] } 1... Nf6 { [%eval 0.23] [%clk 1:14:07] } 2. c4 { [%eval 0.27] [%clk 1:25:01] } 2... e6 { [%eval 0.23] [%clk 1:14:30] } 3. Nf3 { [%eval 0.0] [%clk 1:25:26] } 3... d5 { [%eval 0.17] [%clk 1:14:50] } 4. Nc3 { [%eval 0.0] [%clk 1:25:47] } 4... c5 { [%eval 0.25] [%clk 1:14:43] } 5. cxd5 { [%eval 0.15] [%clk 1:25:35] } 5... Nxd5 { [%eval 0.42] [%clk 1:15:04] } 6. e4 { [%eval 0.0] [%clk 1:19:04] } 6... Nxc3 { [%eval 0.13] } 7. bxc3 { [%eval 0.33] [%clk 1:19:32] } 7... cxd4 { [%eval 0.5] [%clk 1:15:28] } 8. cxd4 { [%eval 0.6] [%clk 1:19:57] } 8... Bb4+ { [%eval 0.47] [%clk 1:15:53] } 9. Bd2 { [%eval 0.22] [%clk 1:20:21] } 9... Bxd2+ { [%eval 0.37] [%clk 1:16:15] } 10. Qxd2 { [%eval 0.23] [%clk 1:20:45] } 10... O-O { [%eval 0.34] [%clk 1:16:34] } 11. Bc4 { [%eval 0.47] [%clk 1:21:11] } 11... Nd7 { [%eval 0.49] [%clk 1:16:57] } 12. O-O { [%eval 0.54] [%clk 1:21:35] } 12... b6 { [%eval 0.61] [%clk 1:17:24] } 13. a4 { [%eval 0.32] [%clk 1:19:42] } 13... Bb7 { [%eval 0.38] [%clk 1:17:38] } 14. Rfe1 { [%eval 0.06] [%clk 1:16:12] } 14... h6 { [%eval 0.2] [%clk 1:17:51] } 15. h3 { [%eval 0.46] [%clk 1:14:49] } 15... Nf6 { [%eval 0.05] [%clk 1:12:40] } 16. Bd3 { [%eval 0.4] [%clk 1:14:13] } 16... Qc7 { [%eval 0.49] [%clk 1:00:45] } 17. a5 { [%eval 0.21] [%clk 1:08:29] } 17... a6?! { [%eval 1.19] } { Inaccuracy. bxa5 was best. } { [%clk 0:57:56] } 18. Rec1 { [%eval 1.36] [%clk 0:58:49] } 18... Qd8 { [%eval 1.25] [%clk 0:58:13] } 19. axb6 { [%eval 1.41] [%clk 0:58:07] } 19... Nxe4 { [%eval 1.55] [%clk 0:47:07] } 20. Qb2 { [%eval 1.52] [%clk 0:29:35] } 20... Nf6 { [%eval 1.19] [%clk 0:36:51] } 21. Ne5 { [%eval 1.34] [%clk 0:29:24] } 21... Nd5 { [%eval 1.28] [%clk 0:37:01] } 22. Be4 { [%eval 1.17] [%clk 0:25:19] } 22... Rb8 { [%eval 1.51] [%clk 0:36:19] } 23. Bxd5 { [%eval 1.39] [%clk 0:21:02] } 23... Bxd5 { [%eval 1.86] [%clk 0:28:48] } 24. Rxa6 { [%eval 1.89] [%clk 0:19:21] } 24... Qg5 { [%eval 2.02] [%clk 0:28:55] } 25. Ng4 { [%eval 1.57] [%clk 0:11:34] } 25... f5 { [%eval 1.9] [%clk 0:27:04] } 26. Ne3 { [%eval 2.03] [%clk 0:11:56] } 26... Bb7 { [%eval 2.56] [%clk 0:27:01] } 27. Ra5 { [%eval 1.51] [%clk 0:11:18] } 27... Qg6? { [%eval 3.11] } { Mistake. Rf6 was best. } { [%clk 0:16:21] } 28. f4?! { [%eval 2.06] } { Inaccuracy. d5 was best. } { [%clk 0:11:35] } 28... Be4 { [%eval 1.45] [%clk 0:16:39] } 29. Rb5 { [%eval 1.31] [%clk 0:10:52] } 29... Rb7?! { [%eval 2.4] } { Inaccuracy. Kh7 was best. } { [%clk 0:09:29] } 30. Rc7 { [%eval 1.56] [%clk 0:10:28] } 30... Rfb8 { [%eval 1.6] [%clk 0:09:39] } 31. Kh2 { [%eval 1.5] [%clk 0:06:12] } 31... Qe8?! { [%eval 2.28] } { Inaccuracy. Kh7 was best. } { [%clk 0:09:36] } 32. Rxb7 { [%eval 1.84] [%clk 0:06:12] } 32... Rxb7 { [%eval 1.87] [%clk 0:09:55] } 33. Nc4 { [%eval 1.8] [%clk 0:04:35] } 33... Bd3? { [%eval 3.12] } { Mistake. Qb8 was best. } { [%clk 0:07:57] } 34. Qb3?? { [%eval 0.0] } { Blunder. Nd6 was best. } { [%clk 0:02:54] } 34... Qc6 { [%eval 0.0] [%clk 0:07:34] } 35. Rc5 { [%eval 0.0] [%clk 0:01:00] } 35... Qe4 { [%eval 0.0] [%clk 0:07:24] } 36. Qb2?? { [%eval -2.11] } { Blunder. Ne5 was best. } { [%clk 0:00:51] } 36... Qxf4+ { [%eval -1.94] [%clk 0:03:37] } 37. g3 { [%eval -1.94] [%clk 0:01:20] } 37... Qf1 { [%eval -1.86] [%clk 0:03:59] } 38. Ne3? { [%eval -3.5] } { Mistake. Qg2 was best. } { [%clk 0:00:51] } 38... Rxb6?? { [%eval -1.12] } { Blunder. Qf3 was best. } { [%clk 0:03:53] } 39. Qg2?? { [%eval -7.34] } { Blunder. Qxb6 was best. } { [%clk 0:00:33] } 39... Qb1 { [%eval -7.55] [%clk 0:01:52] } 40. Qa8+ { [%eval -7.89] [%clk 0:30:40] } 40... Kh7 { [%eval -7.73] [%clk 0:32:09] } 41. Rc8 { [%eval -8.12] [%clk 0:28:46] } 41... Rb2+ { [%eval -8.25] [%clk 0:31:18] } 42. Ng2 { [%eval -8.01] [%clk 0:29:15] } 42... Rxg2+ { [%eval -8.06] [%clk 0:31:37] } 0-1