1.
Nf3
Nf6
2.
g3
g6
3.
Bg2
Bg7
4.
c4
c5
5.
O-O
Nc6
6.
Nc3
O-O
7.
d3
Re8
8.
Bg5
d6
9.
Qd2
a6
10.
h3
Be6
11.
Bh6
Rb8
12.
Bxg7
Kxg7
13.
e4
Nd4
14.
Nxd4
cxd4
15.
Ne2
Qc8
16.
Kh2
Qc5
17.
b4
Qa7
18.
Qb2
b5
19.
cxb5
Rxb5
20.
Nxd4
Rb6
21.
a3
Bd7
22.
Nb3
Reb8
23.
Na5
Rb5
24.
Qd2
Rh5
25.
Kg1
Rc8
26.
h4
e5
27.
Nc4
Qd4
28.
Qe3
Rxc4
29.
dxc4
Qxc4
30.
Rfc1
Qe6
31.
Rd1
Bb5
32.
a4
Bc6
33.
b5
axb5
34.
a5
g5
35.
hxg5
Ng4
36.
Qd2
Qg6
37.
Qxd6
Qxg5
38.
Qxc6
Rh2
39.
Qc8
Qh5
40.
Qxg4+
1-0
Opening Explorer
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Site
Siegen
Date
1970.09.13
Round
9
White
Sirkia, Mauri O
Black
Potter, William
Result
1-0
Score
[Event "Olympiad-19 Preliminaries C"] [Site "Siegen"] [Date "1970.09.13"] [Round "9"] [White "Sirkia, Mauri O"] [Black "Potter, William"] [Result "1-0"] 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c5 5. O-O Nc6 6. Nc3 O-O 7. d3 Re8 8. Bg5 d6 9. Qd2 a6 10. h3 Be6 11. Bh6 Rb8 12. Bxg7 Kxg7 13. e4 Nd4 14. Nxd4 cxd4 15. Ne2 Qc8 16. Kh2 Qc5 17. b4 Qa7 18. Qb2 b5 19. cxb5 Rxb5 20. Nxd4 Rb6 21. a3 Bd7 22. Nb3 Reb8 23. Na5 Rb5 24. Qd2 Rh5 25. Kg1 Rc8 26. h4 e5 27. Nc4 Qd4 28. Qe3 Rxc4 29. dxc4 Qxc4 30. Rfc1 Qe6 31. Rd1 Bb5 32. a4 Bc6 33. b5 axb5 34. a5 g5 35. hxg5 Ng4 36. Qd2 Qg6 37. Qxd6 Qxg5 38. Qxc6 Rh2 39. Qc8 Qh5 40. Qxg4+ 1-0