1.
d4
Nf6
2.
Nf3
e6
3.
g3
d5
4.
Bg2
a6
5.
O-O
Be7
6.
c4
O-O
7.
Qc2
dxc4
8.
a4
Bd7
9.
Qxc4
Bc6
10.
Bg5
Nbd7
11.
Nc3
Nd5
12.
Bxe7
Qxe7
13.
Nxd5
exd5
14.
Qc2
a5
15.
e3
g6
16.
Rfc1
Rfc8
17.
Bh3
f5
18.
Bg2
Qd6
19.
b3
Nf6
20.
Ne5
Bd7
21.
Qc5
Qxc5
22.
Rxc5
c6
23.
Rac1
Be6
24.
R5c2
Ra7
25.
h3
Kf8
26.
f3
Ke7
27.
Kf2
Ne8
28.
Bf1
Nd6
29.
h4
Raa8
30.
Bd3
Rg8
31.
Rh1
Raf8
32.
Kg2
Nf7
33.
Nxf7
Rxf7
34.
Rc5
Ra8
35.
Rb1
Kd6
36.
b4
b6
37.
Rc3
axb4
38.
Rxb4
Rb7
39.
Rcb3
Kc7
40.
Rb1
Raa7
41.
Rc1
Ra5
42.
Bb5
Bd7
43.
e4
fxe4
44.
fxe4
dxe4
45.
d5
c5
46.
Bxd7
Kxd7
47.
Rxe4
Kd6
48.
Rd1
Re7
49.
Rf4
Kd7
50.
Rb1
Kd6
51.
Rd1
Kd7
52.
Rb1
Kd6
53.
Rd1
1/2-1/2
Opening Explorer
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Event
Site
South Bend
Date
1981.07.11
Round
2
White
Black
Kogan, Boris Markovich
Result
1/2-1/2
WhiteElo
2485
Score
[Event "USA-ch/Zonal"] [Site "South Bend"] [Date "1981.07.11"] [Round "2"] [White "Lein, Anatoly"] [Black "Kogan, Boris Markovich"] [Result "1/2-1/2"] [WhiteElo "2485"] 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 a6 5. O-O Be7 6. c4 O-O 7. Qc2 dxc4 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 Nd5 12. Bxe7 Qxe7 13. Nxd5 exd5 14. Qc2 a5 15. e3 g6 16. Rfc1 Rfc8 17. Bh3 f5 18. Bg2 Qd6 19. b3 Nf6 20. Ne5 Bd7 21. Qc5 Qxc5 22. Rxc5 c6 23. Rac1 Be6 24. R5c2 Ra7 25. h3 Kf8 26. f3 Ke7 27. Kf2 Ne8 28. Bf1 Nd6 29. h4 Raa8 30. Bd3 Rg8 31. Rh1 Raf8 32. Kg2 Nf7 33. Nxf7 Rxf7 34. Rc5 Ra8 35. Rb1 Kd6 36. b4 b6 37. Rc3 axb4 38. Rxb4 Rb7 39. Rcb3 Kc7 40. Rb1 Raa7 41. Rc1 Ra5 42. Bb5 Bd7 43. e4 fxe4 44. fxe4 dxe4 45. d5 c5 46. Bxd7 Kxd7 47. Rxe4 Kd6 48. Rd1 Re7 49. Rf4 Kd7 50. Rb1 Kd6 51. Rd1 Kd7 52. Rb1 Kd6 53. Rd1 1/2-1/2