[Event "HUN-ch11"]
[Site "Budapest"]
[Date "1955.12.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Gereben, Erno"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Be3 c6 8. d5 cxd5 9. cxd5 Ne8 10. Qd2 f5 11. Nc1 Nd7 12. Be2 Ndf6 13. Nd3 Bd7 14. O-O-O a5 15. a4 Nc7 16. Ne1 Na6 17. Kb1 Nb4 18. Nc2 Qe8 19. b3 Qe7 20. Rc1 Rfc8 21. h3 fxe4 22. fxe4 Na6 23. Bxa6 bxa6 24. Ka2 Rab8 25. Qd3 Be8 26. Na3 Qb7 27. Rb1 Nh5 28. Nc4 Qc7 29. Rhc1 Nf4 30. Qd2 Rb4 31. g3 Nh5 32. Nb5 axb5 33. Nb6 Qf7 34. Rxc8 bxa4 35. bxa4 Rxe4 36. Rbc1 Bf8 37. R1c7 Qf3 38. Rc3 Kf7 39. R8c7+ Be7 40. Nc4 Kf8 41. Bh6+ Ng7 1-0