[Event "Leiden"]
[Site "Leiden"]
[Date "1970.04.??"]
[Round "1"]
[White "Spassky, Boris Vasilievich"]
[Black "Donner, Jan Hein"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Bd7 8. Qd2 Bc6 9.
Nxf6+ Qxf6 10. Ne5 O-O 11. O-O-O Rd8 12. Qe3 Be8 13. g3 Nd7 14. Bg2 c6 15. f4 Qe7 16. h4
f6 17. Nf3 Bh5 18. Bh3 Bxf3 19. Qxf3 Nf8 20. Rhe1 Qf7 21. Bf1 Rd6 22. Bc4 Rad8 23. f5 Rxd4
24. fxe6 Rxd1+ 25. Rxd1 Rxd1+ 26. Qxd1 1-0