[Event "Hungarian Championship"]
[Site "Budapest HUN"]
[Date "1970.12.01"]
[EventDate "?"]
[Round "1"]
[Result "0-1"]
[White "Ferenc Portisch"]
[Black "Istvan Bilek"]
[ECO "E73"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "66"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Be2 O-O 6. Bg5 Nc6 7. Nf3 h6 8. Bxf6  exf6 9. d5 Ne7 10. O-O f5 11. exf5 Nxf5 12. Bd3 a6 13. Qd2 Bd7 14. a4 Nh4 15.  Nxh4 Qxh4 16. b3 Rfe8 17. Rae1 Qd4 18. Ne2 Qb6 19. a5 Qxb3 20. Rb1 Qa4 21. Rxb7  Rab8 22. Rxc7 Rb2 23. Qf4 Rbxe2 24. Bxe2 Rxe2 25. Qxd6 Be8 26. Qf4 Be5 27. Qf3  Qc2 28. Rc8 Bd4 29. h3 Kg7 30. d6 Qd2 31. Rxe8 Rxe8 32. d7 Rd8 33. Rd1 Qb2 0-1