1.
d4
d5
2.
Nf3
Nf6
3.
c4
e6
4.
g3
Be7
5.
Bg2
O-O
6.
O-O
c6
7.
Qc2
Nbd7
8.
Nbd2
Qc7
9.
e4
Nxe4
10.
Nxe4
dxe4
11.
Qxe4
Nf6
12.
Qc2
c5
13.
Bf4
Bd6
14.
Bxd6
Qxd6
15.
Rfd1
Bd7
16.
Qb3
Bc6
17.
Qa3
b6
18.
dxc5
Qxc5
19.
Qxc5
bxc5
20.
Rd6
Be4
21.
Rad1
a5
22.
Ne5
Bxg2
23.
Kxg2
Rfc8
24.
Kf3
Kf8
25.
Rb6
Rcb8
26.
Rdd6
a4
27.
g4
h6
28.
h4
g5
29.
hxg5
hxg5
30.
Rxb8+
Rxb8
31.
Rd7
Nxd7
32.
Nxd7+
Ke7
33.
Nxb8
Kd6
34.
Ke4
f6
35.
a3
Kc7
36.
Na6+
Kb6
37.
Nb4
cxb4
38.
axb4
Kc6
39.
f3
Kb6
40.
Kd3
Kc6
41.
Kd4
Kd6
42.
b5
Kc7
43.
Kc5
f5
44.
Kd4
Kd6
45.
c5+
Kd7
46.
Ke5
fxg4
47.
fxg4
Ke7
48.
c6
1-0
Opening Explorer
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Event
Site
Chicago
Date
1991.??.??
Round
1
White
Orlov, Georgi
Black
Siwek, Mark
Result
1-0
WhiteElo
2500
Score
[Event "National op"] [Site "Chicago"] [Date "1991.??.??"] [Round "1"] [White "Orlov, Georgi"] [Black "Siwek, Mark"] [Result "1-0"] [WhiteElo "2500"] 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 Qc7 9. e4 Nxe4 10. Nxe4 dxe4 11. Qxe4 Nf6 12. Qc2 c5 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Rfd1 Bd7 16. Qb3 Bc6 17. Qa3 b6 18. dxc5 Qxc5 19. Qxc5 bxc5 20. Rd6 Be4 21. Rad1 a5 22. Ne5 Bxg2 23. Kxg2 Rfc8 24. Kf3 Kf8 25. Rb6 Rcb8 26. Rdd6 a4 27. g4 h6 28. h4 g5 29. hxg5 hxg5 30. Rxb8+ Rxb8 31. Rd7 Nxd7 32. Nxd7+ Ke7 33. Nxb8 Kd6 34. Ke4 f6 35. a3 Kc7 36. Na6+ Kb6 37. Nb4 cxb4 38. axb4 Kc6 39. f3 Kb6 40. Kd3 Kc6 41. Kd4 Kd6 42. b5 Kc7 43. Kc5 f5 44. Kd4 Kd6 45. c5+ Kd7 46. Ke5 fxg4 47. fxg4 Ke7 48. c6 1-0