[Event "Linares-03"]
[Site "Linares"]
[Date "1981.01.22"]
[Round "5"]
[White "Christiansen, Larry Mark"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2650"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 e6 4. g3 Nc6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. d4 O-O 9. e4 Nxc3 10. bxc3 cxd4 11. cxd4 Bf6 12. Bb2 b6 13. Rb1 Bb7 14. d5 exd5 15. exd5 Na5 16. Ne5 Bxe5 17. Bxe5 Rc8 18. Rc1 Qd7 19. Bc3 Ba6 20. Re1 Nb7 21. Qd4 f6 22. Bb4 Rxc1 23. Rxc1 Rc8 24. Rxc8+ Qxc8 25. h4 Bb5 26. d6 Nc5 27. Qd5+ Kf8 28. Qe4 Kf7 29. Qe7+ Kg6 30. h5+ Kxh5 31. Qf7+ 1-0