1.
d4
Nf6
2.
e3
g6
3.
Bd3
Bg7
4.
f4
d5
5.
Nd2
b6
6.
Ngf3
Bb7
7.
O-O
O-O
8.
Ne5
Ne4
9.
c3
f6
10.
Ng4
Nd6
11.
Qc2
c5
12.
Qb1
Nc6
13.
f5
Qd7
14.
h3
g5
15.
Rf2
Kf7
16.
a4
a5
17.
dxc5
bxc5
18.
e4
dxe4
19.
Bxe4
Kg8
20.
Bd5+
Kh8
21.
Be6
Qc7
22.
Nf1
Nd8
23.
Ng3
Nxe6
24.
fxe6
Bd5
25.
Nh5
Bxe6
26.
Nxg7
Kxg7
27.
Qd3
Bxg4
28.
hxg4
Rad8
29.
c4
Nf7
30.
Qc2
Ne5
31.
Bxg5
fxg5
32.
Rxf8
Rxf8
33.
Qc3
Rf6
34.
Qg3
Qd6
0-1
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Site
Siegen
Date
1970.09.10
Round
6
White
Potter, William
Black
Schumacher, Helmut
Result
0-1
[Event "Olympiad-19 Preliminaries C"] [Site "Siegen"] [Date "1970.09.10"] [Round "6"] [White "Potter, William"] [Black "Schumacher, Helmut"] [Result "0-1"] 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d5 5. Nd2 b6 6. Ngf3 Bb7 7. O-O O-O 8. Ne5 Ne4 9. c3 f6 10. Ng4 Nd6 11. Qc2 c5 12. Qb1 Nc6 13. f5 Qd7 14. h3 g5 15. Rf2 Kf7 16. a4 a5 17. dxc5 bxc5 18. e4 dxe4 19. Bxe4 Kg8 20. Bd5+ Kh8 21. Be6 Qc7 22. Nf1 Nd8 23. Ng3 Nxe6 24. fxe6 Bd5 25. Nh5 Bxe6 26. Nxg7 Kxg7 27. Qd3 Bxg4 28. hxg4 Rad8 29. c4 Nf7 30. Qc2 Ne5 31. Bxg5 fxg5 32. Rxf8 Rxf8 33. Qc3 Rf6 34. Qg3 Qd6 0-1