1.
d4
Nf6
2.
c4
e6
3.
g3
d5
4.
Bg2
dxc4
5.
Qa4+
Nbd7
6.
Nd2
a6
7.
Nxc4
b5
8.
Qc2
Nd5
9.
Ne3
Bb4+
10.
Bd2
Nxe3
11.
fxe3
Bxd2+
12.
Qxd2
Rb8
13.
Rc1
O-O
14.
Nh3
Nf6
15.
Nf2
Bb7
16.
Bxb7
Rxb7
17.
e4
Rb6
18.
e5
Nd5
19.
O-O
f5
20.
Nd3
Rf7
21.
Rc5
g5
22.
Nb4
Nxb4
23.
Qxb4
f4
24.
Qc3
b4
25.
Qd3
Rb5
26.
Rxb5
axb5
27.
Qe4
Rd7
28.
gxf4
Rxd4
29.
Qc6
Rxf4
30.
Qxe6+
Kh8
31.
Rxf4
gxf4
32.
Qf5
Qd4+
33.
Kg2
Kg7
34.
Qf6+
Kg8
35.
Qe6+
Kf8
36.
Qc8+
Ke7
37.
Qxc7+
Ke6
38.
Qxh7
Qxe5
39.
Qg6+
Ke7
40.
Qh7+
Ke6
41.
Qg6+
Ke7
42.
Qc2
Qd5+
43.
Kf2
Qd4+
44.
Kf1
Kf6
45.
Qc6+
Kg7
46.
Qxb5
Qe4
47.
Qc5
Qb1+
48.
Kf2
Qxb2
49.
Qg5+
Kh7
50.
Qf5+
Kh8
51.
Qf8+
Kh7
52.
Qf7+
Kh8
53.
Qxf4
Qxa2
54.
Qf8+
Kh7
55.
Qxb4
Qa7+
56.
Kf3
Qf7+
57.
Qf4
Qh5+
58.
Kf2
Qc5+
59.
Kf1
Qc2
60.
Kf2
Qc5+
61.
e3
Qc1
62.
Kg3
Qg1+
63.
Kh4
Qb1
64.
e4
Qe1+
65.
Kg5
Qg1+
66.
Kh5
Qd1+
67.
Qg4
Qd6
68.
Qf5+
Kg7
69.
h4
Qh6+
70.
Kg4
Kh8
71.
Qh5
1-0
Opening Explorer
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Event
Site
South Bend
Date
1981.??.??
Round
7
White
Kogan, Boris Markovich
Black
Kudrin, Sergey
Result
1-0
BlackElo
2425
Score
[Event "USA-ch/Zonal"] [Site "South Bend"] [Date "1981.??.??"] [Round "7"] [White "Kogan, Boris Markovich"] [Black "Kudrin, Sergey"] [Result "1-0"] [BlackElo "2425"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 a6 7. Nxc4 b5 8. Qc2 Nd5 9. Ne3 Bb4+ 10. Bd2 Nxe3 11. fxe3 Bxd2+ 12. Qxd2 Rb8 13. Rc1 O-O 14. Nh3 Nf6 15. Nf2 Bb7 16. Bxb7 Rxb7 17. e4 Rb6 18. e5 Nd5 19. O-O f5 20. Nd3 Rf7 21. Rc5 g5 22. Nb4 Nxb4 23. Qxb4 f4 24. Qc3 b4 25. Qd3 Rb5 26. Rxb5 axb5 27. Qe4 Rd7 28. gxf4 Rxd4 29. Qc6 Rxf4 30. Qxe6+ Kh8 31. Rxf4 gxf4 32. Qf5 Qd4+ 33. Kg2 Kg7 34. Qf6+ Kg8 35. Qe6+ Kf8 36. Qc8+ Ke7 37. Qxc7+ Ke6 38. Qxh7 Qxe5 39. Qg6+ Ke7 40. Qh7+ Ke6 41. Qg6+ Ke7 42. Qc2 Qd5+ 43. Kf2 Qd4+ 44. Kf1 Kf6 45. Qc6+ Kg7 46. Qxb5 Qe4 47. Qc5 Qb1+ 48. Kf2 Qxb2 49. Qg5+ Kh7 50. Qf5+ Kh8 51. Qf8+ Kh7 52. Qf7+ Kh8 53. Qxf4 Qxa2 54. Qf8+ Kh7 55. Qxb4 Qa7+ 56. Kf3 Qf7+ 57. Qf4 Qh5+ 58. Kf2 Qc5+ 59. Kf1 Qc2 60. Kf2 Qc5+ 61. e3 Qc1 62. Kg3 Qg1+ 63. Kh4 Qb1 64. e4 Qe1+ 65. Kg5 Qg1+ 66. Kh5 Qd1+ 67. Qg4 Qd6 68. Qf5+ Kg7 69. h4 Qh6+ 70. Kg4 Kh8 71. Qh5 1-0