[Event "Zuerich"]
[Site "Zuerich"]
[Date "1961.05.31"]
[Round "4"]
[White "Lombardy, William James"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. O-O c5 8. Qe2 cxd4 9. exd4 Ba6 10. Bg5 Bxc3 11. bxc3 Bxc4 12. Bxc4 dxc4 13. Bxf6 Qxf6 14. Qxc4 Nd7 15. Qb5 Rfd8 16. a4 Qf4 17. c4 Rac8 18. a5 Rc7 19. Rfd1 Rdc8 20. h3 h6 21. axb6 axb6 1/2-1/2