1.
d4
Nf6
2.
Nf3
e6
3.
g3
b5
4.
Bg2
Bb7
5.
O-O
c5
6.
c3
Be7
7.
Bg5
Qb6
8.
Nbd2
cxd4
9.
cxd4
Nc6
10.
e3
h6
11.
Bxf6
Bxf6
12.
Rc1
d6
13.
Ne4
Be7
14.
Nc3
d5
15.
Ne1
O-O
16.
Nd3
Rac8
17.
Qg4
Bd6
18.
Rfd1
Qa5
19.
a3
b4
20.
axb4
Nxb4
21.
Ra1
Qd8
1/2-1/2
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Event
Site
Estes Park
Date
1987.??.??
Round
8
White
Kogan, Boris Markovich
Black
De Firmian, Nick E
Result
1/2-1/2
WhiteElo
2460
BlackElo
2520
[Event "USA-ch"] [Site "Estes Park"] [Date "1987.??.??"] [Round "8"] [White "Kogan, Boris Markovich"] [Black "De Firmian, Nick E"] [Result "1/2-1/2"] [WhiteElo "2460"] [BlackElo "2520"] 1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. O-O c5 6. c3 Be7 7. Bg5 Qb6 8. Nbd2 cxd4 9. cxd4 Nc6 10. e3 h6 11. Bxf6 Bxf6 12. Rc1 d6 13. Ne4 Be7 14. Nc3 d5 15. Ne1 O-O 16. Nd3 Rac8 17. Qg4 Bd6 18. Rfd1 Qa5 19. a3 b4 20. axb4 Nxb4 21. Ra1 Qd8 1/2-1/2