[Event "Marshall CC"]
[Site "New York"]
[Date "1977.??.??"]
[Round "?"]
[White "Stean, Michael F"]
[Black "Diesen, Mark C"]
[Result "1/2-1/2"]
[BlackElo "2360"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. Nc3 Bg7 6. d4 Ne4 7. Bd2 O-O 8. O-O c5 9. d5 Nxd2 10. Qxd2 d6 11. h4 h6 12. Nh2 Nd7 13. f4 f5 14. e4 Nf6 15. Rfe1 Nh5 16. Nf1 Bd4+ 17. Kh2 e5 18. dxe6 Nf6 19. exf5 Ng4+ 20. Kh1 Nf2+ 21. Kh2 Ng4+ 22. Kh1 Nf2+ 1/2-1/2