[Event "USA-ch"]
[Site "Estes Park"]
[Date "1986.??.??"]
[Round "?"]
[White "Kogan, Boris Markovich"]
[Black "Wilder, Michael"]
[Result "0-1"]
[WhiteElo "2465"]
[BlackElo "2465"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 e6 7. e4 exd5 8. exd5 d6 9. Qe2+ Be7 10. Bxd6 Nxd5 11. Qe4 Nc6 12. Qxd5 Be6 13. Qxc5 Qxc5 14. Bxc5 Bxc5 15. Nd2 O-O-O 16. Ne4 Be3 17. g4 Ne5 18. Be2 h5 19. g5 f5 20. gxf6 gxf6 21. Nxf6 Rdf8 22. Ne4 Rhg8 23. Nf2 Rg2 24. Nfh3 Bxh3 25. Bf1 Rxg1 26. Rxg1 Nxf3+ 0-1