[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.08.06"]
[Round "19"]
[White "Petrosian, Tigran V"]
[Black "Diaz Diaz, Joaquin Carlos"]
[Result "1-0"]
[WhiteElo "2635"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Nge2 Nc6 7. Be3 e5 8. Qd2 Nd7 9. d5
Ne7 10. g4 f5 11. g5 a6 12. h4 Rb8 13. Nc1 c6 14. Nb3 c5 15. Qh2 Rf7 16. h5 gxh5 17. Qxh5
Nf8 18. O-O-O f4 19. Bf2 Bd7 20. Bh3 Bxh3 21. Qxh3 b5 22. Qf1 Qb6 23. Rd2 Neg6 24. Rc2
Rfb7 25. Rh5 Qd8 26. Bg1 Ne7 27. Rch2 Neg6 28. Kb1 bxc4 29. Qxc4 a5 30. Qf1 a4 31. Nxa4 c4
32. Nbc5 dxc5 33. Nxc5 Rb5 34. Qxc4 Qb6 35. b3 Rb4 36. Qa6 Qc7 37. Rc2 Qf7 38. Bf2 Ne7 39.
Rh1 Nxd5 40. exd5 Qxd5 41. Qd3 Qf7 42. Kc1 e4 43. Nxe4 Kh8 44. Nd6 Qd7 45. Bc5 R4b7 46.
Rd1 Ne6 47. Nxb7 Qxb7 48. Qd5 Nxc5 49. Rxc5 Qa6 50. Kb1 Qa3 51. Rc2 Re8 52. Rh2 1-0