[Event "Candidates sf Spassky-Portisch +4-2=9"]
[Site "Geneve"]
[Date "1977.07.03"]
[Round "1"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2625"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Bd3 c5 9. O-O cxd4 10. exd4 Bxf3 11. Qxf3 Nc6 12. Ne2 Nb4 13. Bb1 d5 14. a3 Nc6 15. Bxf6 Bxf6 16. cxd5 exd5 17. Ba2 Nxd4 18. Nxd4 Bxd4 19. Bxd5 Rc8 20. Rad1 Qf6 21. Qxf6 Bxf6 1/2-1/2