[Event "Candidates sf Spassky-Portisch +4-2=9"]
[Site "Geneve"]
[Date "1977.08.??"]
[Round "11"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2625"]

1. d4 e6 2. Nf3 Nf6 3. Bg5 c5 4. e3 Be7 5. Bd3 b6 6. c3 Bb7 7. Nbd2 cxd4 8. cxd4 Nd5 9. Nc4 O-O 10. h4 f5 11. a3 Nf6 12. Qe2 Bd5 13. Rc1 Ne4 14. Bxe7 Qxe7 15. g3 Nc6 16. O-O Rf6 17. Ncd2 Nxd2 1/2-1/2