[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.08.15"]
[Round "7"]
[White "De Greif, Boris"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 h6 10. Bh4 Nxd4 11. Qxd4 Qa5 12. e5 dxe5 13. Qxe5 Qxe5 14. fxe5 Nd5 15. Bxe7 Nxe7 16. Bd3 Nc6 17. Rhe1 Rd8 18. Be4 Bd7 19. Bf3 Be8 20. Nb5 Rxd1+ 21. Rxd1 Kf8 22. Nd6 Nxe5 23. Bxb7 Rb8 24. b3 1/2-1/2