Ospina Ortiz, Oscar Alexander vs Martinez Romero, Martin
3. Ortega Rating · Round 4.11 · 2013.06.08 · 0-1 · D94 Grünfeld Defense: Three Knights Variation
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PGN
[Event "3. Ortega Rating"] [Site "Ortega COL"] [Date "2013.06.08"] [Round "4.11"] [White "Ospina Ortiz, Oscar Alexander"] [Black "Martinez Romero, Martin"] [Result "0-1"] [PlyCount "70"] [WhiteElo "1952"] [WhiteFideId "4411340"] [BlackElo "2405"] [BlackFideId "4404025"] [BlackTitle "IM"] [ECO "D94"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e3 O-O 7. Be2 c5 8. Nxd5 Qxd5 9. dxc5 Qxc5 10. O-O Nc6 11. Qa4 Qb4 12. Qxb4 Nxb4 13. Bd2 Nc6 14. Bc3 Bxc3 15. bxc3 Rd8 16. Rfd1 Rxd1+ 17. Bxd1 b6 18. Bb3 Bb7 19. Ng5 e6 20. Rd1 Rd8 21. Kf1 Rxd1+ 22. Bxd1 Ne5 23. Bc2 Ba6+ 24. Kg1 Bc4 25. Bb3 Bxb3 26. axb3 Nd3 27. c4 Nc1 28. b4 Nd3 29. c5 bxc5 30. bxc5 Nxc5 31. Kf1 a5 32. Ke1 a4 33. Kd1 a3 34. Kc2 Nd3 35. Ne4 a2 0-1