1.
d4
Nf6
2.
c4
e5
3.
dxe5
Ne4
4.
a3
d6
5.
Qc2
Bf5
6.
Nc3
Nxf2
7.
Qxf5
Nxh1
8.
e6
fxe6
9.
Qxe6+
Be7
10.
Nf3
Qd7
11.
Qxd7+
Kxd7
12.
g3
c6
13.
Bh3+
Kc7
14.
Bg2
Nxg3
15.
hxg3
Nd7
16.
Bf4
h6
17.
O-O-O
g5
18.
Bd2
Rae8
19.
Nd4
Bf6
20.
Nf5
Re5
21.
Rf1
Ree8
22.
Ne4
Be5
23.
Rh1
Re6
24.
Bf3
a6
25.
Kc2
Nf6
26.
Nxg5
1-0
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Event
Site
San Francisco
Date
1961.08.21
Round
7
White
Dahlberg, Ivars A
Black
Groenig, David
Result
1-0
Score
[Event "US Open-62"] [Site "San Francisco"] [Date "1961.08.21"] [Round "7"] [White "Dahlberg, Ivars A"] [Black "Groenig, David"] [Result "1-0"] 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. a3 d6 5. Qc2 Bf5 6. Nc3 Nxf2 7. Qxf5 Nxh1 8. e6 fxe6 9. Qxe6+ Be7 10. Nf3 Qd7 11. Qxd7+ Kxd7 12. g3 c6 13. Bh3+ Kc7 14. Bg2 Nxg3 15. hxg3 Nd7 16. Bf4 h6 17. O-O-O g5 18. Bd2 Rae8 19. Nd4 Bf6 20. Nf5 Re5 21. Rf1 Ree8 22. Ne4 Be5 23. Rh1 Re6 24. Bf3 a6 25. Kc2 Nf6 26. Nxg5 1-0