1.
d4
f5
2.
g3
g6
3.
Bg2
Bg7
4.
Nf3
Nf6
5.
O-O
O-O
6.
c4
d6
7.
Nc3
c6
8.
Qc2
Qc7
9.
b3
e5
10.
dxe5
dxe5
11.
Rd1
Re8
12.
Ba3
Na6
13.
Bd6
Qa5
14.
a3
e4
15.
b4
Qb6
16.
c5
Nxb4
17.
axb4
Qxb4
18.
Ra4
Qxa4
19.
Qxa4
exf3
20.
Bxf3
Ng4
21.
Nd5
1-0
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Event
Site
Ventura
Date
1971.??.??
Round
4
White
Leidner, Michael I
Black
Ocipoff, Nicholas
Result
1-0
Score
[Event "US Open-72"] [Site "Ventura"] [Date "1971.??.??"] [Round "4"] [White "Leidner, Michael I"] [Black "Ocipoff, Nicholas"] [Result "1-0"] 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nf6 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. Qc2 Qc7 9. b3 e5 10. dxe5 dxe5 11. Rd1 Re8 12. Ba3 Na6 13. Bd6 Qa5 14. a3 e4 15. b4 Qb6 16. c5 Nxb4 17. axb4 Qxb4 18. Ra4 Qxa4 19. Qxa4 exf3 20. Bxf3 Ng4 21. Nd5 1-0