[Event "Niksic International"]
[Site "Niksic"]
[Date "1983.09.06"]
[Round "11"]
[White "Ivanovic, Bozidar"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2620"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Bxf6 gxf6 11. Be2 Bg7 12. O-O f5 13. Rfd1 O-O 14. Kh1 fxe4 15. f5 exf5 16. Nd5 e3 17. Qe1 Nc6 18. Qg3 Kh8 19. Qh4 Nxd4 20. Rxd4 Qc5 21. c3 Be6 22. Nxe3 Qxc3 23. Rd3 Qf6 24. Qf2 b5 25. Rf1 Rac8 26. Bd1 Rfe8 27. Bb3 Bc4 28. Bxc4 bxc4 29. Rd5 Qe6 30. Re1 f4 0-1