Benko, Pal C VS Portisch, Lajos 1956.??.??

[Event "Budapest Alekhine"]
[Site "Budapest"]
[Date "1956.??.??"]
[Round "?"]
[White "Benko, Pal C"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. b3 f6 7. Bb2 fxe5 8. dxe5 Be7 9. g3 O-O 10. Bh3 Nc5 11. O-O a5 12. Qe2 a4 13. a3 axb3 14. cxb3 Qe8 15. Nd4 Qg6 16. f4 Nxd4 17. Bxd4 b6 18. b4 Ba6 19. Qg4 Bxf1 20. Rxf1 Qd3 21. Nf3 Nb3 22. Qxe6+ Rf7 23. Bb2 Nd2 24. Nxd2 Qxd2 25. Rf2 Qe1+ 26. Bf1 Rd8 27. Qg4 d4 28. f5 d3 29. f6 d2 30. e6 Rxf6 31. Rxf6 d1=Q 32. Rf3 Qxf1+ 0-1