[Event "Niksic International"]
[Site "Niksic"]
[Date "1983.08.31"]
[Round "7"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2605"]
1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. a3 Be6 9. b4 O-O 10. O-O f6 11. Bb2 Qd7 12. Ne4 Rfd8 13. Qc2 Bf8 14. Rac1 Qf7 15. b5 Na5 16. Nfd2 Nb3 17. Nxb3 Bxb3 18. Qxc7 Na4 19. Qxf7+ Bxf7 20. Ba1 Rac8 21. Bh3 Rxc1 22. Rxc1 Bxa3 23. Rc7 Bd5 24. Bf5 Bb4 25. g4 Ba5 26. Rc1 h6 27. h4 Kf8 28. h5 Bb6 29. Kf1 Ke7 30. Nd2 Be6 31. Ne4 Bd5 32. Ng3 Kf8 33. Be4 Nc5 34. Bxd5 Rxd5 35. Bb2 Ne6 36. Ba3+ Kg8 37. Rc8+ Kh7 38. Re8 Nf4 39. Bc1 Rxb5 40. Bxf4 exf4 41. Nf5 a5 42. Rb8 f3 43. exf3 Bc7 44. Rc8 Rc5 45. d4 Rc1+ 46. Kg2 Bf4 47. Rd8 Rc7 48. d5 1-0