[Event "Zuerich"]
[Site "Zuerich"]
[Date "1961.06.08"]
[Round "9"]
[White "Keres, Paul"]
[Black "Christoffel, Martin"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. exd5 Qxd5 6. Ngf3 Bg4 7. Bc4 Bxf3 8. Qb3 Qd7 9.
Nxf3 exd4 10. O-O Na5 11. Bxf7+ Kd8 12. Qe6 Qxe6 13. Bxe6 dxc3 14. Ng5 Nh6 15. Bh3 Bd6 16.
Re1 b5 17. bxc3 Rg8 18. a4 Nb3 19. Ne6+ 1-0