[Event "Debrecen"]
[Site "Debrecen"]
[Date "1956.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Cseh, Andor"]
[Result "1-0"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nf6 7. Nge2 O-O 8. O-O Bd7 9. h3 Qc8 10. Kh2 Ne5 11. Nf4 Nc6 12. Qd2 e6 13. Nfe2 Ne5 14. f4 Nc6 15. g4 Nd4 16. Ng3 Ne8 17. f5 Bc6 18. Rae1 Qd7 19. Nd1 exf5 20. gxf5 b6 21. c3 Nb5 22. Bh6 a6 23. Bxg7 Kxg7 24. Ne3 Nbc7 25. Ng4 g5 26. d4 Kh8 27. e5 dxe5 28. Bxc6 Qxc6 29. dxe5 Qd5 30. Qxd5 Nxd5 31. Rd1 Nf4 32. e6 h5 33. Ne3 Ng7 34. Rd7 Rfe8 35. Rfd1 Ngxe6 36. fxe6 Nxe6 37. Ngf5 a5 38. Rb7 Rg8 39. Rdd7 Rg6 40. Nh6 1-0