[Event "Interpolis-05"]
[Site "Tilburg"]
[Date "1981.10.11"]
[Round "8"]
[White "Petrosian, Tigran V"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2585"]
[BlackElo "2650"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6 11. b3 Bf6 12. Bb2 Qc7 13. Qd2 Rd8 1/2-1/2