1.
d4
Nf6
2.
c4
e6
3.
Nc3
Bb4
4.
Qb3
Nc6
5.
d5
Nd4
6.
Qd1
Bxc3+
7.
bxc3
Nf5
8.
g3
d6
9.
Bg2
e5
10.
e4
Ne7
11.
Ne2
O-O
12.
O-O
Ng6
13.
f4
exf4
14.
Nxf4
Ne5
15.
Qd4
Qe7
16.
Nd3
Nxd3
17.
Qxd3
Nd7
18.
Bf4
Re8
19.
Rae1
Ne5
20.
Bxe5
Qxe5
21.
Qd4
b6
22.
Qxe5
Rxe5
23.
Rd1
a5
24.
a3
Bd7
25.
Rf2
Ba4
26.
Rb1
g6
27.
Rbf1
Re7
1/2-1/2
Opening Explorer
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Event
Site
Pittsburgh
Date
1946.07.17
Round
4
White
Katz, Gerald
Black
Yerhoff, Frank J
Result
1/2-1/2
Score
[Event "US Open-47 Final"] [Site "Pittsburgh"] [Date "1946.07.17"] [Round "4"] [White "Katz, Gerald"] [Black "Yerhoff, Frank J"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. d5 Nd4 6. Qd1 Bxc3+ 7. bxc3 Nf5 8. g3 d6 9. Bg2 e5 10. e4 Ne7 11. Ne2 O-O 12. O-O Ng6 13. f4 exf4 14. Nxf4 Ne5 15. Qd4 Qe7 16. Nd3 Nxd3 17. Qxd3 Nd7 18. Bf4 Re8 19. Rae1 Ne5 20. Bxe5 Qxe5 21. Qd4 b6 22. Qxe5 Rxe5 23. Rd1 a5 24. a3 Bd7 25. Rf2 Ba4 26. Rb1 g6 27. Rbf1 Re7 1/2-1/2