Event: Round 4: Loaiza Cuervo, Santiago - Ospina Castro, Santiago
Date: 2025-04-16
White: Loaiza Cuervo, Santiago
WhiteElo: 1985
Black: Ospina Castro, Santiago
BlackTitle: FM
BlackElo: 2148
Result: 1/2-1/2
ECO: C11
Opening: French Defense: Steinitz Variation, Boleslavsky Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%clk 1:22:08] } 1... e6 { [%clk 1:30:54] } 2. d4 { [%clk 1:22:00] } 2... d5 { [%clk 1:31:19] } 3. Nc3 { [%clk 1:22:24] } 3... Nf6 { [%clk 1:30:53] } 4. e5 { [%clk 1:22:45] } 4... Nfd7 { [%clk 1:31:19] } 5. f4 { [%clk 1:23:09] } 5... c5 { [%clk 1:31:45] } 6. Nf3 { [%clk 1:23:32] } 6... Nc6 { [%clk 1:32:13] } 7. Be3 { [%clk 1:23:56] } 7... a6 { [%clk 1:29:39] } 8. Ne2 { [%clk 1:23:26] } 8... Qb6 { [%clk 1:19:29] } 9. Qc1 { [%clk 1:23:41] } 9... Be7 { [%clk 1:17:56] } 10. c3 { [%clk 1:23:58] } 10... O-O { [%clk 1:18:05] } 11. h4 { [%clk 1:24:19] } 11... f6 { [%clk 1:16:44] } 12. h5 { [%clk 1:17:54] } 12... cxd4 { [%clk 1:13:06] } 13. cxd4 { [%clk 1:08:41] } 13... Qa5+ { [%clk 1:03:12] } 14. Kf2 { [%clk 1:08:56] } 14... fxe5 { [%clk 0:54:37] } 15. fxe5 { [%clk 1:08:35] } 15... Ndxe5 { [%clk 0:54:37] } 16. dxe5 { [%clk 1:08:57] } 16... Nxe5 { [%clk 0:54:59] } 17. Kg1 { [%clk 0:51:01] } 17... Nxf3+ { [%clk 0:45:03] } 18. gxf3 { [%clk 0:46:07] } 18... Rxf3 { [%clk 0:45:15] } 19. Bg2 { [%clk 0:33:20] } 19... Rf7 { [%clk 0:39:28] } 20. Bd4 { [%clk 0:20:51] } 20... Bd7 21. Qe3 { [%clk 0:21:20] } 21... Rc8 22. Nc3 { [%clk 0:21:43] } 22... Bc5 23. h6 { [%clk 0:21:32] } 23... Bxd4 24. Qxd4 { [%clk 0:22:00] } 24... Qc5 25. Qxc5 { [%clk 0:22:26] } 25... Rxc5 26. hxg7 { [%clk 0:22:45] } 26... Rxg7 27. Rh5 Rc4 28. Kh1 Rcg4 29. Nxd5 exd5 30. Bxd5+ Kf8 31. Bg2 Kg8 1/2-1/2