1.
d4
Nf6
2.
c4
e6
3.
g3
Bb4+
4.
Bd2
a5
5.
Bg2
d6
6.
Nc3
e5
7.
Nf3
exd4
8.
Nxd4
Nbd7
9.
Nd5
Bxd2+
10.
Qxd2
c6
11.
Qe3+
Kf8
12.
Nxf6
Qxf6
13.
O-O
h5
14.
Rad1
Ne5
15.
b3
h4
16.
Qf4
hxg3
17.
hxg3
Qg6
18.
f3
Qh6
19.
Kf2
Qxf4
20.
gxf4
Ng6
21.
Kg3
a4
22.
b4
Ke7
23.
Rd3
a3
24.
e4
Ra4
25.
Nc2
Be6
26.
Rc3
f5
27.
Re1
Kd8
28.
Nd4
Bd7
29.
Rb1
Rf8
30.
Bh3
fxe4
31.
Bxd7
Kxd7
32.
f5
Ne5
33.
fxe4
g6
34.
Kf4
Rh8
35.
Nf3
gxf5
36.
exf5
Nxf3
37.
Rxf3
Rh2
38.
Rg1
Rxa2
39.
Rg7+
Ke8
40.
f6
1-0
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Event
Site
Estes Park
Date
1987.??.??
Round
13
White
Kogan, Boris Markovich
Black
Whitehead, Jay E
Result
1-0
WhiteElo
2460
BlackElo
2415
[Event "USA-ch"] [Site "Estes Park"] [Date "1987.??.??"] [Round "13"] [White "Kogan, Boris Markovich"] [Black "Whitehead, Jay E"] [Result "1-0"] [WhiteElo "2460"] [BlackElo "2415"] 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 d6 6. Nc3 e5 7. Nf3 exd4 8. Nxd4 Nbd7 9. Nd5 Bxd2+ 10. Qxd2 c6 11. Qe3+ Kf8 12. Nxf6 Qxf6 13. O-O h5 14. Rad1 Ne5 15. b3 h4 16. Qf4 hxg3 17. hxg3 Qg6 18. f3 Qh6 19. Kf2 Qxf4 20. gxf4 Ng6 21. Kg3 a4 22. b4 Ke7 23. Rd3 a3 24. e4 Ra4 25. Nc2 Be6 26. Rc3 f5 27. Re1 Kd8 28. Nd4 Bd7 29. Rb1 Rf8 30. Bh3 fxe4 31. Bxd7 Kxd7 32. f5 Ne5 33. fxe4 g6 34. Kf4 Rh8 35. Nf3 gxf5 36. exf5 Nxf3 37. Rxf3 Rh2 38. Rg1 Rxa2 39. Rg7+ Ke8 40. f6 1-0