[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.24"]
[Round "10"]
[White "Diaz Diaz, Joaquin Carlos"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[BlackElo "2625"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Bd2 Nf6 8. Bg2 Nc6 9. Nxc6 bxc6 10. O-O Be7 11. Re1 e5 12. Na4 d6 13. c4 Be6 14. c5 dxc5 15. Be3 Nd7 16. Qc2 Qa5 17. Rec1 Rd8 18. Bf1 O-O 19. Bd2 Qc7 20. Bxa6 Ra8 21. Bf1 Rfb8 22. b3 h6 23. f3 Ra7 24. f4 exf4 25. gxf4 Nf6 26. f5 Bc8 27. Be3 Rxa4 28. bxa4 Ng4 29. Qe2 Nxe3 30. Qxe3 Bf6 31. Qxc5 Rb2 32. Bg2 Qf4 33. Rab1 Rxg2+ 34. Kxg2 Qxe4+ 0-1