[Event "Clare Benedict Cup-11"]
[Site "Lenzerheide"]
[Date "1964.07.12"]
[Round "2"]
[White "Barendregt, Johan"]
[Black "Mohrlok, Dieter A"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O a6 5. Bxc6+ bxc6 6. d4 cxd4 7. Qxd4 e5 8. Qd3 Qc7 9. Nbd2 Nf6 10. Nc4 Be7 11. Bg5 Be6 12. Bxf6 Bxc4 13. Qxc4 Bxf6 14. Rad1 O-O 15. Rd3 Rfb8 16. Rb3 Rb5 17. Qd3 d5 18. exd5 Rxd5 19. Qf5 Rad8 20. Ng5 Bxg5 21. Qxg5 1/2-1/2