[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.08.02"]
[Round "16"]
[White "Rogoff, Kenneth"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2380"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 Nd7 8. Bf4 Nc5 9. Nd2 Ne6 10. Be3 h5 11. f4 h4 12. Kc2 Bd7 13. Bd3 O-O-O 14. Nf3 Kb8 15. Rad1 Bg7 16. f5 gxf5 17. exf5 Nf8 18. Ng5 Be8 19. Nxf7 Bxf7 20. Bc4 Ne6 21. Bxe6 Bxe6 22. fxe6 Be5 23. Rxd8+ Rxd8 24. Bg5 Rg8 25. Bxe7 Rxg2+ 26. Kd3 Rg6 27. Bxh4 Rxe6 28. Bg5 Kc8 29. h4 1-0