[Event "Siegen ol (Men) fin-A"]
[Site "Siegen FRG"]
[Date "1970.09.23"]
[EventDate "?"]
[Round "9"]
[Result "1/2-1/2"]
[White "Viktor Korchnoi"]
[Black "Oscar Panno"]
[ECO "B42"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Be3 Nf6
7. O-O Qc7 8. Nxc6 bxc6 9. c4 c5 10. Nc3 Bb7 11. f4 d6 12. Qe2
Be7 13. Rae1 g6 14. Bd2 O-O 15. f5 exf5 16. exf5 Rae8 17. fxg6
hxg6 18. Bg5 Bd8 19. Qc2 Rxe1 20. Rxe1 Ng4 21. Bxd8 Qxd8
22. Bxg6 Qh4 23. g3 Qf6 24. Be4 Qd4+ 25. Kg2 Bxe4+ 26. Nxe4
Ne3+ 27. Rxe3 Qxe3 28. Nf6+ Kg7 29. Nh5+ Kh8 30. Nf6 Kg7
31. Nh5+ 1/2-1/2