[Event "IBM"]
[Site "Amsterdam"]
[Date "1963.??.??"]
[Round "9"]
[White "Barendregt, Johan"]
[Black "Milic, Borislav"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. b4 cxb4 4. d4 d6 5. Bd3 Be7 6. e5 dxe5 7. dxe5 Bd7 8. O-O Bc6 9. a3 Nd7 10. axb4 Bxb4 11. Na3 Ne7 12. Nc4 Ng6 13. Ng5 Ndxe5 14. Nxe5 Nxe5 15. Nxe6 fxe6 16. Qh5+ Nf7 17. Rb1 Bc3 18. Rb3 Qf6 19. Ba3 g6 20. Qh3 Bd4 21. Bc4 Ng5 22. Qg3 O-O-O 23. Ba6 Ne4 24. Rxb7 Bxb7 0-1