[Event "Montreal International"]
[Site "Montreal"]
[Date "1979.04.21"]
[Round "9"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2640"]
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Ngf6 8. Bxg6 hxg6 9. O-O e6 10. c4 Be7 11. b3 O-O 12. Bb2 Qb6 13. Re1 Rfe8 14. Qc2 c5 15. a3 a5 16. dxc5 Nxc5 17. Rab1 Red8 18. Bd4 Qc6 19. Qe2 Ncd7 20. Bb2 Nc5 21. Ne5 Qe8 22. b4 axb4 23. axb4 Ncd7 24. Nd3 Rac8 25. Rec1 Nb8 26. h3 Nc6 27. Ba1 Qd7 28. Rd1 Qc7 1/2-1/2