[Event "Match Najdorf-Valvo +5-1=0"]
[Site "New York"]
[Date "1968.??.??"]
[Round "6"]
[White "Valvo, Michael Joseph"]
[Black "Najdorf, Miguel"]
[Result "0-1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d3 e5 7. Nc3 Nc6 8. Rb1 a5 9. a3 Be6
10. b4 axb4 11. axb4 h6 12. b5 Ne7 13. Qb3 Qc8 14. d4 exd4 15. Nxd4 Bh3 16. Ba3 Bxg2 17.
Kxg2 Nf5 18. Nxf5 Qxf5 19. b6 Qa5 20. Bc1 cxb6 21. Nb5 Ne4 22. Rd1 Qa2 23. Nxd6 Nc3 0-1