[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1985.01.31"]
[Round "11"]
[White "Portisch, Lajos"]
[Black "Timman, Jan H"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2650"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Nbd2 Nbd7 10. O-O 1/2-1/2