1.
e4
c5
2.
d3
Nc6
3.
g3
g6
4.
Bg2
Bg7
5.
Nd2
e6
6.
Ngf3
Nge7
7.
O-O
O-O
8.
c3
d6
9.
a4
Rb8
10.
h4
a6
11.
Nh2
b5
12.
axb5
axb5
13.
Qc2
b4
14.
Nb3
bxc3
15.
bxc3
Qb6
16.
Rb1
Ba6
17.
Be3
Qc7
18.
Rfd1
c4
19.
dxc4
Bxc4
20.
Nd2
Ne5
21.
Rxb8
Rxb8
22.
Nxc4
Nxc4
23.
Bc1
Qc5
24.
Bf1
d5
25.
h5
Bh6
26.
Ng4
Bxc1
27.
Qxc1
Kh8
28.
Qf4
1-0
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Event
Site
Oklahoma
Date
1956.??.??
Round
9
White
Theodorovich, Ivan
Black
O'Keefe, Jack
Result
1-0
[Event "US Open-57"] [Site "Oklahoma"] [Date "1956.??.??"] [Round "9"] [White "Theodorovich, Ivan"] [Black "O'Keefe, Jack"] [Result "1-0"] 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nd2 e6 6. Ngf3 Nge7 7. O-O O-O 8. c3 d6 9. a4 Rb8 10. h4 a6 11. Nh2 b5 12. axb5 axb5 13. Qc2 b4 14. Nb3 bxc3 15. bxc3 Qb6 16. Rb1 Ba6 17. Be3 Qc7 18. Rfd1 c4 19. dxc4 Bxc4 20. Nd2 Ne5 21. Rxb8 Rxb8 22. Nxc4 Nxc4 23. Bc1 Qc5 24. Bf1 d5 25. h5 Bh6 26. Ng4 Bxc1 27. Qxc1 Kh8 28. Qf4 1-0