[Event "Interzonal-03"]
[Site "Gothenburg"]
[Date "1955.09.01"]
[Round "11"]
[White "Filip, Miroslav"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 Be7 7. O-O O-O 8. d4 Rb8 9. Nc3 a6 10. a4 Nb6 11. Qd3 Nbd5 12. e4 Nb4 13. Qe2 a5 14. Rd1 b6 15. Ne5 Ba6 16. Nc4 Qc8 17. Bf4 Rd8 18. Nb5 c6 19. Nc3 Rb7 20. b3 Rbd7 21. Be3 Qc7 22. Rac1 Qa7 23. f3 Nfd5 24. exd5 cxd5 25. Nb5 Bxb5 26. axb5 dxc4 27. bxc4 e5 28. dxe5 Nd3 29. Rb1 Nxe5 30. Rxd7 Nxd7 31. Rd1 Qc7 32. Kh1 Nc5 1/2-1/2