Event: Round 8: Arias Gaviria, Mario Alexis - Ossa, Vladimir
Date: 2024-06-02
White: Arias Gaviria, Mario Alexis
WhiteTitle: FM
WhiteElo: 2245
Black: Ossa, Vladimir
BlackElo: 1963
Result: 1-0
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard

1. Nf3 { [%eval 0.14] [%clk 0:15:20] } 1... c5 { [%eval 0.38] [%clk 0:15:11] } 2. g3 { [%eval 0.13] [%clk 0:15:26] } 2... Nc6 { [%eval 0.08] [%clk 0:15:19] } 3. Bg2 { [%eval 0.11] [%clk 0:15:25] } 3... d6 { [%eval 0.39] [%clk 0:15:28] } 4. O-O { [%eval 0.2] [%clk 0:15:29] } 4... g6 { [%eval 0.51] [%clk 0:15:36] } 5. c3 { [%eval 0.24] [%clk 0:15:34] } 5... Bg7 { [%eval 0.49] [%clk 0:15:42] } 6. d4 { [%eval 0.48] [%clk 0:15:43] } 6... Qc7?! { [%eval 1.12] } { Inaccuracy. cxd4 was best. } { [%clk 0:15:46] } 7. Be3 { [%eval 0.79] [%clk 0:15:35] } 7... b6 { [%eval 0.89] [%clk 0:15:41] } 8. Qa4?! { [%eval 0.0] } { Inaccuracy. b4 was best. } { [%clk 0:15:11] } 8... Bd7 { [%eval 0.0] [%clk 0:15:45] } 9. Qc2 { [%eval 0.0] [%clk 0:14:52] } 9... Nf6 { [%eval -0.02] [%clk 0:15:45] } 10. h3 { [%eval -0.33] [%clk 0:14:31] } 10... O-O { [%eval -0.42] [%clk 0:15:50] } 11. Na3 { [%eval -0.34] [%clk 0:14:12] } 11... Rac8 { [%eval -0.35] [%clk 0:15:54] } 12. Rac1 { [%eval -0.57] [%clk 0:13:32] } 12... Qb7 { [%eval -0.34] [%clk 0:15:42] } 13. Qd1 { [%eval -0.4] [%clk 0:11:17] } 13... Qa6 { [%eval -0.32] [%clk 0:15:23] } 14. d5 { [%eval -0.35] [%clk 0:11:08] } 14... Nd8 { [%eval -0.32] [%clk 0:15:10] } 15. Nh4 { [%eval -0.55] [%clk 0:10:27] } 15... b5 { [%eval -0.64] [%clk 0:14:39] } 16. Qd2 { [%eval -0.7] [%clk 0:09:54] } 16... Re8 { [%eval -0.47] [%clk 0:14:40] } 17. Ra1 { [%eval -0.85] [%clk 0:09:26] } 17... Nb7?! { [%eval -0.28] } { Inaccuracy. e6 was best. } { [%clk 0:12:58] } 18. Nc2 { [%eval -0.24] [%clk 0:09:25] } 18... Na5 { [%eval -0.26] [%clk 0:12:53] } 19. b3 { [%eval -0.25] [%clk 0:09:23] } 19... e6 { [%eval -0.25] [%clk 0:11:08] } 20. dxe6 { [%eval -0.42] [%clk 0:08:56] } 20... Bxe6 { [%eval -0.41] [%clk 0:11:16] } 21. Rad1 { [%eval -0.5] [%clk 0:08:59] } 21... d5 { [%eval -0.52] [%clk 0:11:25] } 22. Bh6 { [%eval -0.36] [%clk 0:08:59] } 22... Bh8?! { [%eval 0.44] } { Inaccuracy. Nb7 was best. } { [%clk 0:11:30] } 23. f4 { [%eval 0.38] [%clk 0:08:46] } 23... Rcd8? { [%eval 1.61] } { Mistake. Bf5 was best. } { [%clk 0:09:21] } 24. f5 { [%eval 1.61] [%clk 0:07:41] } 24... Bc8 { [%eval 1.49] [%clk 0:09:29] } 25. Qg5 { [%eval 1.53] [%clk 0:05:52] } 25... Re5 { [%eval 1.57] [%clk 0:07:55] } 26. e4?! { [%eval 0.72] } { Inaccuracy. Ne3 was best. } { [%clk 0:05:01] } 26... Qb6 { [%eval 1.07] [%clk 0:04:34] } 27. exd5?! { [%eval 0.34] } { Inaccuracy. Qf4 was best. } { [%clk 0:04:17] } 27... c4+? { [%eval 1.73] } { Mistake. Rde8 was best. } { [%clk 0:04:09] } 28. Kh1? { [%eval 0.3] } { Mistake. Kh2 was best. } { [%clk 0:04:26] } 28... Nh5? { [%eval 1.63] } { Mistake. cxb3 was best. } { [%clk 0:03:51] } 29. d6? { [%eval 0.0] } { Mistake. Nd4 was best. } { [%clk 0:01:54] } 29... Bf6 { [%eval -0.06] [%clk 0:03:58] } 30. Qg4 { [%eval 0.0] [%clk 0:01:25] } 30... Rxd6 { [%eval 0.0] [%clk 0:03:51] } 31. Nd4 { [%eval 0.0] [%clk 0:00:47] } 31... cxb3 { [%eval -0.01] [%clk 0:02:53] } 32. axb3 { [%eval -0.06] [%clk 0:00:55] } 32... b4 { [%eval -0.06] [%clk 0:02:51] } 33. Ndf3?? { [%eval -3.58] } { Blunder. cxb4 was best. } { [%clk 0:00:28] } 33... Bxf5?? { [%eval 0.0] } { Blunder. Rxd1 was best. } { [%clk 0:02:32] } 34. Nxf5 { [%eval 0.0] [%clk 0:00:38] } 34... Rxf5 { [%eval 0.0] [%clk 0:02:41] } 35. cxb4 { [%eval -0.01] [%clk 0:00:43] } 35... Nxb3?! { [%eval 0.78] } { Inaccuracy. Rxd1 was best. } { [%clk 0:02:42] } 36. Kh2?! { [%eval 0.08] } { Inaccuracy. Rxd6 was best. } { [%clk 0:00:34] } 36... Qc7?? { [%eval 2.17] } { Blunder. Qd8 was best. } { [%clk 0:01:41] } 37. Qe4 { [%eval 2.12] [%clk 0:00:19] } 37... Nxg3 { [%clk 0:01:07] } 38. Qe8# { [%clk 0:00:27] } 1-0