1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
g6
6.
Be3
Bg7
7.
Be2
Nc6
8.
O-O
O-O
9.
Qd2
d5
10.
exd5
Nxd5
11.
Nxc6
bxc6
12.
Rfd1
Be6
13.
Bd4
Bxd4
14.
Qxd4
Nxc3
15.
Qxc3
Qb6
16.
Rd4
c5
17.
Ra4
Rfd8
18.
Ra6
Qb4
19.
Qxb4
cxb4
20.
a3
Rac8
21.
Bd1
bxa3
22.
R6xa3
Bf5
23.
c3
Rd2
24.
b4
a6
25.
Bf3
Rc2
26.
h4
Bd3
27.
Bb7
1/2-1/2
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Event
Site
Oklahoma
Date
1956.??.??
Round
3
White
Mednis, Edmar John
Black
O'Keefe, Jack
Result
1/2-1/2
[Event "US Open-57"] [Site "Oklahoma"] [Date "1956.??.??"] [Round "3"] [White "Mednis, Edmar John"] [Black "O'Keefe, Jack"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Qd2 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Rfd1 Be6 13. Bd4 Bxd4 14. Qxd4 Nxc3 15. Qxc3 Qb6 16. Rd4 c5 17. Ra4 Rfd8 18. Ra6 Qb4 19. Qxb4 cxb4 20. a3 Rac8 21. Bd1 bxa3 22. R6xa3 Bf5 23. c3 Rd2 24. b4 a6 25. Bf3 Rc2 26. h4 Bd3 27. Bb7 1/2-1/2