[Event "New York GHI"]
[Site "New York"]
[Date "1977.12.14"]
[Round "11"]
[White "Diesen, Mark C"]
[Black "Benjamin, Joel"]
[Result "1-0"]
[WhiteElo "2360"]
[ECO "A34"]
[Opening "English Opening: Symmetrical Variation, Normal Variation"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. g3 Bb7 5. Bg2 d6 6. O-O g6 7. d3 Bg7 8. e4 O-O 9. Nh4 Ne8 10. f4 e6 11. Be3 Nc6 12. f5 Nd4 13. Qd2 Rb8 14. Rf2 Nf6 15. Bg5 Qd7 16. h3 b5 17. Raf1 exf5 18. exf5 Bxg2 19. Kxg2 b4 20. fxg6 fxg6 21. Bxf6 bxc3 22. bxc3 Bxf6 23. Rxf6 Rxf6 24. Rxf6 Rb1 25. Kh2 Nc6 26. Qg2 Ne5 27. Qa8+ 1-0