[Event "Maribor"]
[Site "Maribor YUG"]
[Date "1967.07.11"]
[EventDate "?"]
[Round "4"]
[Result "1/2-1/2"]
[White "Laszlo Lengyel"]
[Black "Wolfgang Unzicker"]
[ECO "E17"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "46"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 O-O 8. O-O  d6 9. d5 Nxd2 10. Qxd2 e5 11. e4 Nd7 12. Qc2 Bf6 13. b4 Qe7 14. Nd2 g6 15. Nb3  Bg7 16. Bh3 Nf6 17. a4 a5 18. bxa5 bxa5 19. Rfb1 c5 20. Nxc5 Bc8 21. Bxc8 Rfxc8  22. Nb3 Rxc4 23. Nd2 1/2-1/2