[Event "IBM"]
[Site "Amsterdam"]
[Date "1965.??.??"]
[Round "2"]
[White "Zuidema, Coen"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Bb3 d6 10. f3 Bd7 11. Nde2 Rac8 12. Qe1 Rfe8 13. Rd1 Ne5 14. Qf2 b6 15. Bd4 Nc6 16. Be3 Ne5 17. Bd4 1/2-1/2