[Event "Las Palmas-05"]
[Site "Las Palmas"]
[Date "1976.??.??"]
[Round "1"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2475"]
[BlackElo "2625"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 O-O 10. O-O b6 11. f4 Bb7 12. Bf3 Qc7 13. Be3 Rac8 14. Rc1 Rfe8 15. Rf2 Ba8 16. Rd2 Na5 17. b4 d5 18. c5 bxc5 19. exd5 cxb4 20. d6 Bxf3 21. gxf3 Qb8 22. dxe7 bxc3 23. Rg2 Nc6 24. Rxc3 Nxe7 25. Rb3 Qc7 26. Qa1 Ng6 27. Rc2 Qe7 28. Nc4 Nd5 29. Bd4 Ngxf4 30. Kh1 f6 31. Qb1 e5 32. Bf2 Qe6 33. Bg3 Qh3 0-1