[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.09.10"]
[Round "21"]
[White "Filip, Miroslav"]
[Black "Averbakh, Yuri L"]
[Result "1/2-1/2"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qh4 Ng4 11. Qxd8 Rxd8 12. Nd5 Rd7 13. h3 Nf6 14. Nc3 Ne8 15. Be3 c6 16. Rac1 Re7 17. Rfd1 Be6 18. b3 f5 19. Bd4 h6 20. e3 Kh7 21. Bxg7 Kxg7 22. Ne2 a5 23. Nd4 Nf6 24. c5 dxc5 25. Nxe6+ Rxe6 26. Rxc5 Re7 27. Rc4 Nd7 28. e4 Nb6 29. Rcd4 Rae8 30. exf5 Re1+ 31. Kh2 Rxd1 32. Rxd1 gxf5 33. Bf3 Re7 1/2-1/2