[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.11"]
[Round "1"]
[White "Sanguineti, Raul"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2635"]

1. Nf3 d6 2. d4 Bg4 3. e4 e6 4. c3 c6 5. Be2 Nd7 6. Nbd2 Qc7 7. O-O Ngf6 8. Ng5 Bxe2 9. Qxe2 h6 10. Ngf3 e5 11. b3 Be7 12. Ba3 O-O 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Bxe7 Qxe7 16. a4 Rfd8 17. Nc4 Rd7 18. Rfd1 Rad8 19. Rxd7 Rxd7 20. b4 Qe6 21. a5 Ne8 22. Ne3 Nc7 23. Rd1 Nb5 24. Rxd7 Qxd7 25. c4 Nc3 26. Qh5 Qd3 27. h3 Qb1+ 28. Kh2 Qxe4 29. Ng4 Na2 30. b5 cxb5 31. cxb5 Nc3 32. Qh4 Qf4+ 33. Kg1 f6 34. Qh5 Kf8 35. Ne3 Qg5 36. Qxg5 hxg5 37. a6 b6 0-1