[Event "Reggio Emilia-20 1977/78"]
[Site "Reggio Emilia"]
[Date "1977.12.??"]
[Round "?"]
[White "Wirthensohn, Heinz"]
[Black "Niklasson, Christer"]
[Result "1-0"]
[WhiteElo "2390"]
[BlackElo "2380"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O Nc6 7. Nc3 Be7 8. a3 cxd4 9. exd4 O-O 10. Re1 b6 11. Qd3 Bb7 12. Ba2 Rc8 13. Bf4 Re8 14. Rad1 Bf8 15. d5 exd5 16. Rxe8 Qxe8 17. Re1 Qd8 18. Nxd5 h6 19. Bg5 hxg5 20. Nxg5 Ne4 21. Nxf7 Nc5 22. Ng5 1-0