[Event "HUN-ch13"]
[Site "Budapest"]
[Date "1958.02.07"]
[Round "12"]
[White "Portisch, Lajos"]
[Black "Koberl, Ferenc"]
[Result "1-0"]

1. c4 c5 2. g3 g6 3. Bg2 Nc6 4. Nf3 Bg7 5. O-O d6 6. Nc3 Rb8 7. Rb1 Nf6 8. a3 Bd7 9. b4 b6 10. d4 O-O 11. d5 Nd4 12. Nxd4 cxd4 13. Nb5 Bxb5 14. cxb5 Qd7 15. a4 Rfc8 16. Qxd4 Rc2 17. Qd3 Rbc8 18. Bd2 R8c4 19. Rfc1 Qc7 20. Rxc2 Rxc2 21. h3 h5 22. e3 Qc8 23. Kf1 Rc7 24. Rb3 Nd7 25. f4 Rc4 26. Ke1 Kh7 27. Kd1 Rc7 28. Bf1 Kg8 29. Rb1 Kf8 30. Rc1 Rxc1+ 31. Bxc1 Qc3 32. Qc2 f5 33. Bd2 Qxc2+ 34. Kxc2 Nf6 35. Bg2 Kf7 36. Kd3 Nd7 37. e4 Bf6 38. Bf3 fxe4+ 39. Bxe4 Kg7 40. Be3 Kh7 41. a5 Kg7 42. Bg2 Kf7 43. h4 1-0