1.
e4
c5
2.
Nf3
e6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
d6
6.
Be2
a6
7.
O-O
Qc7
8.
f4
Be7
9.
a4
Nc6
10.
Be3
O-O
11.
Kh1
Bd7
12.
Nb3
b6
13.
Bf3
Rfd8
14.
g4
Be8
15.
g5
Nd7
16.
Bg2
Nc5
17.
Rf3
Rab8
18.
Rh3
g6
19.
Qg4
b5
20.
axb5
axb5
21.
Qh4
h5
22.
Bf3
Bf8
23.
f5
Nxb3
24.
f6
1-0
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Event
Site
Oberlin
Date
1975.??.??
Round
6
White
Grefe, John Alan
Black
Result
1-0
Score
[Event "USA-ch"] [Site "Oberlin"] [Date "1975.??.??"] [Round "6"] [White "Grefe, John Alan"] [Black "Benko, Pal C"] [Result "1-0"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Be7 9. a4 Nc6 10. Be3 O-O 11. Kh1 Bd7 12. Nb3 b6 13. Bf3 Rfd8 14. g4 Be8 15. g5 Nd7 16. Bg2 Nc5 17. Rf3 Rab8 18. Rh3 g6 19. Qg4 b5 20. axb5 axb5 21. Qh4 h5 22. Bf3 Bf8 23. f5 Nxb3 24. f6 1-0