[Event "Montreal International"]
[Site "Montreal"]
[Date "1979.05.06"]
[Round "18"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2640"]
1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Be7 5. Bg5 h6 6. Bh4 Ne4 7. Bxe7 Qxe7 8. Qc2 Nxc3 9. Qxc3 O-O 10. e3 c6 11. Bd3 dxc4 12. Bxc4 b6 13. O-O Bb7 14. Be2 Nd7 15. Rac1 c5 16. Rfd1 1/2-1/2