[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1978.04.08"]
[Round "7"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[WhiteElo "2630"]
[BlackElo "2620"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 9. b4
dxc4 10. Bxc4 Nbd7 11. Bb2 a5 12. b5 e5 13. Re1 e4 14. Nd2 Qe7 15. Be2 Rad8 16. Qc2 Rfe8
17. f3 exf3 18. Bxf3 Bxf3 19. Nxf3 Ne4 20. Nxe4 Qxe4 21. Qxe4 Rxe4 22. Nd2 Re6 23. e4 Nc5
24. Nc4 Nxe4 25. Rac1 Bf8 26. Ne5 Nd6 27. a4 f6 28. Nf3 Rxe1+ 29. Nxe1 Rd7 30. Nf3 Nf5 31.
Kf2 h5 32. Rc2 g5 33. Rc4 Bd6 34. g3 Kf7 35. Ng1 Ne7 36. Ne2 Nd5 37. Bc1 Ke6 38. Rc2 Kf5
39. Kf3 g4+ 40. Kf2 Rh7 41. Rd2 h4 42. Kg2 Ke4 43. Rd1 Ne3+ 44. Bxe3 Kxe3 45. Nc3 h3+ 0-1