Event: Round 3: Rafael Felipe Prasca Sosa - Santiago Ospina Castro
Date: 2023-06-29
White: Rafael Felipe Prasca Sosa
Black: Santiago Ospina Castro
Result: 1-0
ECO: B50
Opening: Sicilian Defense: Delayed Alapin Variation, with d6
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:14] } 1... c5 { [%eval 0.32] [%clk 1:25:39] } 2. Nf3 { [%eval 0.0] [%clk 1:25:43] } 2... d6 { [%eval 0.0] [%clk 1:26:03] } 3. c3 { [%eval 0.0] [%clk 1:25:00] } 3... Nf6 { [%eval 0.0] [%clk 1:25:08] } 4. h3 { [%eval 0.0] [%clk 1:24:57] } 4... Nc6 { [%eval 0.0] [%clk 1:16:47] } 5. Bd3 { [%eval 0.03] [%clk 1:24:25] } 5... g6 { [%eval 0.09] [%clk 1:13:26] } 6. Bc2 { [%eval 0.0] [%clk 1:23:44] } 6... Bg7 { [%eval 0.0] [%clk 1:10:43] } 7. O-O { [%eval 0.0] [%clk 1:23:51] } 7... O-O { [%eval 0.0] [%clk 1:10:28] } 8. Re1 { [%eval -0.07] [%clk 1:24:04] } 8... e5 { [%eval 0.0] [%clk 1:09:43] } 9. d4 { [%eval -0.21] [%clk 1:23:41] } 9... cxd4 { [%eval -0.13] [%clk 1:05:47] } 10. cxd4 { [%eval -0.16] [%clk 1:24:03] } 10... exd4 { [%eval -0.17] [%clk 1:02:25] } 11. Nxd4 { [%eval -0.1] [%clk 1:22:14] } 11... d5 { [%eval 0.12] [%clk 0:49:50] } 12. e5 { [%eval 0.16] [%clk 1:19:39] } 12... Nd7 { [%eval 0.38] [%clk 0:47:39] } 13. f4 { [%eval 0.4] [%clk 1:04:42] } 13... Qb6?! { [%eval 1.46] } { Inaccuracy. Nxd4 was best. } { [%clk 0:45:52] } 14. Be3 { [%eval 0.85] [%clk 1:04:37] } 14... Qxb2 { [%eval 1.34] [%clk 0:45:56] } 15. Nb3 { [%eval 1.45] [%clk 1:04:44] } 15... Nb4 { [%eval 1.84] [%clk 0:40:11] } 16. Re2 { [%eval 1.91] [%clk 1:04:56] } 16... Nxe5 { [%eval 1.95] [%clk 0:35:27] } 17. fxe5 { [%eval 2.05] [%clk 1:00:49] } 17... Nxc2? { [%eval 3.52] } { Mistake. Qxe5 was best. } { [%clk 0:22:31] } 18. Bd4 { [%eval 3.56] [%clk 0:51:44] } 1-0