[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.08.05"]
[Round "1"]
[White "Tal, Mihail"]
[Black "De Greif, Boris"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 Be7 5. b3 O-O 6. Bb2 b6 7. d4 Bb7 8. Bd3 Nbd7 9. O-O
Ne4 10. cxd5 exd5 11. Qe2 a6 12. Qc2 f5 13. Ne2 Bd6 14. Ne5 Qe7 15. Rac1 Rac8 16. Nc6 Qh4
17. Nf4 Ndf6 18. g3 Qh6 19. f3 g5 20. Nxd5 Nxd5 21. fxe4 fxe4 22. Bxe4 Nxe3 23. Rxf8+ Rxf8
24. Qe2 Bxc6 25. Bxc6 g4 26. a3 Qg5 27. Re1 Nf5 28. Qe6+ Rf7 29. Bd5 1-0