1.
e4
c5
2.
Nf3
d6
3.
Bb5+
Bd7
4.
Bxd7+
Qxd7
5.
O-O
Nc6
6.
c4
e5
7.
Nc3
Nge7
8.
d3
g6
9.
Bg5
Bg7
10.
Bxe7
Nxe7
11.
a3
Bh6
12.
b4
b6
13.
bxc5
bxc5
14.
Rb1
O-O
15.
Qb3
f5
16.
Qb7
Qe6
17.
Rb5
Rae8
18.
Rfb1
Nc8
19.
Qd5
Qxd5
20.
Nxd5
Ne7
21.
Nxe7+
Rxe7
22.
Rb7
Rxb7
23.
Rxb7
Rf7
24.
Rb1
fxe4
25.
dxe4
Rc7
26.
Kf1
Kf7
27.
Ke2
Ke6
28.
h4
Kd7
29.
Kd3
Kc8
30.
Kc2
Rf7
31.
Rb3
Bf8
32.
g3
Be7
33.
Kd2
Bd8
34.
Rd3
Be7
35.
Ke2
Kc7
36.
Rb3
Rf8
37.
Ng5
Bxg5
38.
hxg5
Rb8
39.
Rxb8
Kxb8
40.
f4
Kc7
41.
f5
Kd7
42.
Kd3
a5
1/2-1/2
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Event
Site
Oberlin
Date
1975.??.??
Round
11
White
Black
Grefe, John Alan
Result
1/2-1/2
Score
[Event "USA-ch"] [Site "Oberlin"] [Date "1975.??.??"] [Round "11"] [White "Byrne, Robert Eugene"] [Black "Grefe, John Alan"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c4 e5 7. Nc3 Nge7 8. d3 g6 9. Bg5 Bg7 10. Bxe7 Nxe7 11. a3 Bh6 12. b4 b6 13. bxc5 bxc5 14. Rb1 O-O 15. Qb3 f5 16. Qb7 Qe6 17. Rb5 Rae8 18. Rfb1 Nc8 19. Qd5 Qxd5 20. Nxd5 Ne7 21. Nxe7+ Rxe7 22. Rb7 Rxb7 23. Rxb7 Rf7 24. Rb1 fxe4 25. dxe4 Rc7 26. Kf1 Kf7 27. Ke2 Ke6 28. h4 Kd7 29. Kd3 Kc8 30. Kc2 Rf7 31. Rb3 Bf8 32. g3 Be7 33. Kd2 Bd8 34. Rd3 Be7 35. Ke2 Kc7 36. Rb3 Rf8 37. Ng5 Bxg5 38. hxg5 Rb8 39. Rxb8 Kxb8 40. f4 Kc7 41. f5 Kd7 42. Kd3 a5 1/2-1/2