[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.24"]
[Round "10"]
[White "Larsen, Bent"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2380"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 c5 7. Rb1 Nc6 8. Qa4 Qc7 9. Ba3 e6 10. Qb5 Bd7 11. Qb2 Qa5 12. Nf3 Bg7 13. O-O O-O 14. d4 b6 15. Rfd1 Rfd8 16. e3 Rac8 17. Nd2 cxd4 18. cxd4 Qh5 19. h3 e5 20. d5 e4 21. Nxe4 Ne5 22. g4 Bxg4 23. hxg4 Qxg4 24. Kf1 f5 25. Nd2 Qh4 26. Qb5 Rc3 27. Rb3 Rc2 28. Qe2 Nc4 29. Qd3 Rc8 30. d6 Ne5 31. Qd5+ Kh8 32. f3 a5 33. Qe6 a4 34. Rb4 Qg3 35. Rc4 Nd3 36. Qxc8+ 1-0