[Event "USA-ch"]
[Site "Estes Park"]
[Date "1986.??.??"]
[Round "?"]
[White "Kogan, Boris Markovich"]
[Black "Seirawan, Yasser"]
[Result "1/2-1/2"]
[WhiteElo "2465"]
[BlackElo "2580"]

1. Nf3 d5 2. d4 c5 3. e3 Nf6 4. dxc5 e6 5. c4 Bxc5 6. Nc3 a6 7. cxd5 exd5 8. Be2 Nc6 9. O-O O-O 10. b3 Qd6 11. Bb2 Rd8 12. Rc1 Ba7 13. Rc2 h6 14. Rd2 Be6 15. Qa1 Qf8 16. Rfd1 Rac8 17. Bf1 Ne4 1/2-1/2