1.
e4
c5
2.
Nf3
e6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
d6
6.
g4
Nc6
7.
g5
Nd7
8.
Be3
Nb6
9.
Rg1
a6
10.
Qd2
Bd7
11.
f4
Rc8
12.
Nb3
d5
13.
exd5
Nxd5
14.
Nxd5
exd5
15.
c3
Be6
16.
Bd3
g6
17.
Qf2
Ne7
18.
Bd4
Rg8
19.
O-O-O
h5
20.
Rge1
Rc6
21.
Bf6
Bg4
22.
Nd4
Re6
23.
Nxe6
fxe6
24.
Rd2
Bg7
1-0
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Event
Site
USA
Date
1970.??.??
White
Black
Grefe, John Alan
Result
1-0
Score
[Event "USA"] [Site "USA"] [Date "1970.??.??"] [Round "?"] [White "Byrne, Robert Eugene"] [Black "Grefe, John Alan"] [Result "1-0"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 Nc6 7. g5 Nd7 8. Be3 Nb6 9. Rg1 a6 10. Qd2 Bd7 11. f4 Rc8 12. Nb3 d5 13. exd5 Nxd5 14. Nxd5 exd5 15. c3 Be6 16. Bd3 g6 17. Qf2 Ne7 18. Bd4 Rg8 19. O-O-O h5 20. Rge1 Rc6 21. Bf6 Bg4 22. Nd4 Re6 23. Nxe6 fxe6 24. Rd2 Bg7 1-0