[Event "Dortmunder Schachtage-08"]
[Site "Dortmund"]
[Date "1980.07.04"]
[Round "4"]
[White "Portisch, Ferenc"]
[Black "Hug, Werner"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2455"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 g6 7. O-O Bg7 8. Rb1 O-O 9. Re1 a5 10. Bf1 Re8 11. d5 Nc5 12. b3 Bd7 13. dxc6 bxc6 14. Qxd6 Nfxe4 15. Rxe4 Nxe4 16. Nxe4 Bf5 17. Nfd2 Qxd6 18. Nxd6 Bxb1 19. Nxe8 Bh6 20. Nf6+ Kg7 21. Nxb1 Bxc1 22. Nd7 Bb2 23. Nc5 Bd4 24. Na4 e4 25. Be2 f5 26. Kf1 Kf6 27. c5 g5 28. h3 Kg6 29. Nd2 h5 30. Nc4 g4 31. hxg4 fxg4 32. Nd6 e3 33. Bd3+ Kg5 34. fxe3 Bxe3 35. Be4 Rf8+ 36. Ke2 Bg1 37. Bxc6 h4 38. Bd5 h3 39. gxh3 gxh3 40. c6 Bh2 41. Nc5 1-0