[Event "Montreal International"]
[Site "Montreal"]
[Date "1979.05.03"]
[Round "17"]
[White "Timman, Jan H"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2640"]
1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5 d6 8. Nxf6+ gxf6 9. Qh5 d5 10. cxd5 Qxd5 11. Be2 Be6 12. a3 Be7 13. d3 Kh8 14. O-O Rg8 15. Ne1 Na5 16. Bd2 Nb3 17. Rd1 Nxd2 18. Rxd2 f5 19. Nf3 Rad8 20. d4 e4 21. Ne5 b5 22. Rc2 c5 23. Bxb5 Qb3 24. Qe2 cxd4 25. exd4 Qh3 26. f4 Rxg2+ 27. Qxg2 Rg8 28. Bd7 Bd5 29. Bc6 Qe3+ 30. Kh1 Rxg2 31. Rxg2 Qxd4 32. Bxd5 Qxd5 33. Rc1 h6 34. Rc7 e3 35. Rxe7 Qd1+ 36. Rg1 Qd5+ 37. Rg2 Qd1+ 1/2-1/2