[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1968.01.12"]
[Round "3"]
[White "Van Geet, Dick Daniel"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. g3 e6 6. Bg2 Nf6 7. O-O Be7 8. Bf4 O-O 9. Nxc6 bxc6 10. Bd6 Ne8 11. Bxe7 Qxe7 12. Na4 Bb7 13. Qd4 d6 14. Qb6 Rc8 15. Rfd1 f5 16. Rd3 Rf7 17. Rad1 e5 18. Rc3 e4 19. e3 Nf6 20. Rb3 Ng4 1/2-1/2