[Event "Ploiesti"]
[Site "Ploiesti"]
[Date "1957.04.21"]
[Round "11"]
[White "Portisch, Lajos"]
[Black "Diaconescu, Paul"]
[Result "1-0"]

1. c4 f5 2. g3 e6 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Qe8 8. Qc2 d5 9. d3 Nbd7 10. Nbd2 Qh5 11. e4 fxe4 12. dxe4 Nxe4 13. Nxe4 dxe4 14. Qxe4 Qf5 15. Qe2 c5 16. Rae1 Nb8 17. Ne5 Bf6 18. f4 Bxe5 19. fxe5 Qg5 20. Rxf8+ Kxf8 21. Qf2+ Kg8 1-0