[Event "Candidates sf Huebner-Portisch +2-0=9"]
[Site "Abano Therme"]
[Date "1980.08.09"]
[Round "4"]
[White "Portisch, Lajos"]
[Black "Huebner, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2600"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 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. Be3 b6 13. Qa4 Bb7 14. Qa3 Rc8 15. Rac1 Na5 16. Qd3 Bc6 17. Rfd1 Qd7 18. d5 exd5 19. exd5 Bb5 20. Qb1 Rxc1 21. Rxc1 Bc4 22. Rd1 Qa4 23. Ng5 g6 24. Ne4 Bg7 25. Rd2 Bb5 26. Nd6 Bd7 27. Bf4 Nc4 28. Nxc4 Qxc4 29. Rc2 Qd3 30. Qc1 Bf5 31. Rc7 Re8 32. h3 Bd4 33. Qd2 Qxd2 34. Bxd2 Re2 35. Be3 Bxe3 36. fxe3 h5 37. Bf3 Rxe3 38. Kf2 Ra3 39. g4 hxg4 40. hxg4 Rxa2+ 41. Ke3 Ra3+ 42. Kf2 Ra2+ 43. Kg3 Bb1 44. d6 Rd2 45. d7 Kf8 46. Bc6 Ke7 47. Rxa7 Rd6 48. Ra8 1/2-1/2