Event: Round 7: Bustos Acosta, Isauro - Casas Ospina, Favio
Date: 2025-06-08
White: Bustos Acosta, Isauro
WhiteElo: 1848
Black: Casas Ospina, Favio
BlackElo: 1797
Result: 0-1
ECO: A10
Opening: English Opening: Anglo-Dutch Defense
Variant: Standard
TimeControl: 15+10

1. c4 { [%eval 0.12] [%clk 0:15:16] } 1... f5 { [%eval 0.47] [%clk 0:15:27] } 2. Nc3 { [%eval 0.3] [%clk 0:15:21] } 2... e5 { [%eval 0.39] [%clk 0:15:36] } 3. g3 { [%eval 0.23] [%clk 0:15:25] } 3... Nf6 { [%eval 0.24] [%clk 0:15:45] } 4. Bg2 { [%eval 0.25] [%clk 0:15:29] } 4... c6 { [%eval 0.42] [%clk 0:15:51] } 5. d3 { [%eval 0.28] [%clk 0:15:34] } 5... g6 { [%eval 0.74] [%clk 0:15:56] } 6. Qc2 { [%eval 0.45] [%clk 0:15:29] } 6... Bg7 { [%eval 0.47] [%clk 0:16:04] } 7. e3 { [%eval -0.07] [%clk 0:15:31] } 7... O-O { [%eval -0.01] [%clk 0:16:11] } 8. Nge2 { [%eval -0.18] [%clk 0:15:39] } 8... Na6 { [%eval -0.1] [%clk 0:15:53] } 9. a3 { [%eval -0.26] [%clk 0:15:36] } 9... Rb8 { [%eval 0.24] [%clk 0:15:28] } 10. b4 { [%eval 0.27] [%clk 0:15:37] } 10... Nc7 { [%eval 0.27] [%clk 0:15:06] } 11. Bb2 { [%eval 0.19] [%clk 0:15:34] } 11... h5 { [%eval 0.61] [%clk 0:14:28] } 12. d4 { [%eval 0.1] [%clk 0:15:30] } 12... exd4? { [%eval 1.27] } { Mistake. d6 was best. } { [%clk 0:14:21] } 13. Nxd4 { [%eval 1.25] [%clk 0:15:25] } 13... d5 { [%eval 1.73] [%clk 0:14:27] } 14. c5?! { [%eval 0.82] } { Inaccuracy. cxd5 was best. } { [%clk 0:15:11] } 14... Ne4 { [%eval 0.81] [%clk 0:14:14] } 15. f3?! { [%eval 0.0] } { Inaccuracy. Nce2 was best. } { [%clk 0:14:48] } 15... Nxc3 { [%eval 0.24] [%clk 0:12:00] } 16. Bxc3 { [%eval 0.2] [%clk 0:14:52] } 16... Re8 { [%eval 0.14] [%clk 0:12:08] } 17. Kf2 { [%eval 0.2] [%clk 0:14:36] } 17... a6 { [%eval 0.22] [%clk 0:11:40] } 18. Qb2 { [%eval 0.0] [%clk 0:14:34] } 18... h4 { [%eval 0.39] [%clk 0:10:37] } 19. Rae1 { [%eval 0.12] [%clk 0:14:27] } 19... Bd7?! { [%eval 0.83] } { Inaccuracy. Qe7 was best. } { [%clk 0:10:13] } 20. Ne2?! { [%eval -0.07] } { Inaccuracy. f4 was best. } { [%clk 0:14:20] } 20... Bh6?! { [%eval 0.94] } { Inaccuracy. Qe7 was best. } { [%clk 0:09:50] } 21. Bf6?! { [%eval -0.12] } { Inaccuracy. f4 was best. } { [%clk 0:14:08] } 21... Bxe3+ { [%eval -0.13] [%clk 0:09:45] } 22. Kf1 { [%eval -0.21] [%clk 0:14:17] } 22... Qc8 { [%eval -0.17] [%clk 0:09:42] } 23. Bh8 { [%eval -0.49] [%clk 0:13:59] } 23... Bh6 { [%eval -0.6] [%clk 0:09:12] } 24. gxh4?! { [%eval -1.45] } { Inaccuracy. Be5 was best. } { [%clk 0:13:47] } 24... Kh7?? { [%eval 0.79] } { Blunder. b6 was best. } { [%clk 0:09:15] } 25. Be5 { [%eval 0.95] [%clk 0:13:06] } 25... b6 { [%eval 1.13] [%clk 0:09:16] } 26. cxb6?? { [%eval -0.57] } { Blunder. h5 was best. } { [%clk 0:12:27] } 26... Rxb6 { [%eval -0.74] [%clk 0:09:25] } 27. f4 { [%eval -0.92] [%clk 0:12:28] } 27... a5?? { [%eval 0.79] } { Blunder. c5 was best. } { [%clk 0:09:25] } 28. Bd4?? { [%eval -0.97] } { Blunder. h5 was best. } { [%clk 0:11:41] } 28... Rb8?! { [%eval 0.08] } { Inaccuracy. c5 was best. } { [%clk 0:09:22] } 29. Qd2?? { [%eval -1.63] } { Blunder. h5 was best. } { [%clk 0:11:24] } 29... Qa6?! { [%eval -0.72] } { Inaccuracy. Qd8 was best. } { [%clk 0:09:16] } 30. Kf2?! { [%eval -1.68] } { Inaccuracy. h5 was best. } { [%clk 0:10:53] } 30... axb4 { [%eval -1.76] [%clk 0:09:19] } 31. axb4 { [%eval -1.85] [%clk 0:11:00] } 31... Ne6?! { [%eval -1.06] } { Inaccuracy. Bf8 was best. } { [%clk 0:09:12] } 32. Be5?! { [%eval -2.19] } { Inaccuracy. h5 was best. } { [%clk 0:11:05] } 32... Rb7?! { [%eval -1.1] } { Inaccuracy. Qb6+ was best. } { [%clk 0:09:08] } 33. Ng3?? { [%eval -3.69] } { Blunder. Nd4 was best. } { [%clk 0:11:11] } 33... Qb6+ { [%eval -3.5] [%clk 0:09:13] } 34. Kf3 { [%eval -3.48] [%clk 0:10:43] } 34... Qxb4 { [%eval -3.4] [%clk 0:09:22] } 35. Qe3? { [%eval -6.27] } { Mistake. Qxb4 was best. } { [%clk 0:10:39] } 35... d4 { [%eval -6.16] [%clk 0:08:39] } 36. Qe2 { [%eval -7.32] [%clk 0:10:08] } 36... Qc3+ { [%eval -6.23] [%clk 0:07:48] } 37. Kf2 { [%eval -7.05] [%clk 0:10:12] } 37... Rb2 { [%eval -7.08] [%clk 0:07:47] } 0-1