[Event "Zuerich op"]
[Site "Zuerich"]
[Date "1984.??.??"]
[Round "7"]
[White "Wirthensohn, Heinz"]
[Black "Spassky, Boris Vasilievich"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2615"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb4 5. e3 Bb7 6. Bd3 O-O 7. O-O c5 8. Na4 cxd4 9. a3
Be7 10. exd4 d6 11. Re1 Nbd7 12. b4 Re8 13. Bb2 Bf8 14. Bf1 Rc8 15. Nc3 Qc7 16. Nd2 Qb8
17. Qb3 d5 18. Rad1 Qf4 19. c5 e5 20. Ne2 Qh6 21. cxb6 axb6 22. dxe5 Nxe5 23. Bxe5 Rxe5
24. Nf3 Ree8 25. Ned4 Ne4 26. Qb2 Qf6 27. Bb5 Red8 28. Re3 g5 29. Rb3 Bg7 30. Rbd3 Rc7 31.
a4 Rdc8 32. h3 h5 33. Ne1 g4 34. hxg4 hxg4 35. f3 Nc3 36. fxg4 Nxd1 37. Rxd1 Rc1 0-1