[Event "World U20-ch03 Preliminaries A"]
[Site "Antwerp"]
[Date "1955.07.25"]
[Round "5"]
[White "Purdy, John Spencer"]
[Black "Spassky, Boris Vasilievich"]
[Result "0-1"]

1. f4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 c5 6. Be2 Nc6 7. O-O d5 8. Qe1 d4 9. Na3
Nd5 10. Rd1 d3 11. Bxg7 dxe2 12. Bxf8 exd1=Q 13. Qxd1 Qxf8 14. c4 Nf6 15. d4 Bf5 16. d5
Nb4 17. h3 Rd8 18. g4 Bd3 19. Rf2 e6 20. Nb5 Nfxd5 21. a3 0-1