[Event "Niksic International"]
[Site "Niksic"]
[Date "1983.08.25"]
[Round "2"]
[White "Andersson, Ulf"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2620"]

1. Nf3 c5 2. c4 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. d4 Nf6 7. Be3 e6 8. O-O Ng4 9. Nc3 Nxe3 10. fxe3 Be7 11. dxc5 Bxc5 12. Qxd8+ Kxd8 13. Kf2 Ke7 14. Rfd1 Rd8 15. Rxd8 Kxd8 16. Rc1 Bd7 17. Na4 Be7 18. Nc5 Bxc5 19. Rxc5 Ke7 20. Nd4 Kd6 21. Rc3 Nd8 22. Rd3 Kc7 23. Rc3+ Kd6 24. Rd3 Kc7 25. Rc3+ 1/2-1/2