1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
Nf3
O-O
6.
Be2
e5
7.
O-O
Nc6
8.
d5
Ne7
9.
Ne1
Nd7
10.
f3
f5
11.
g4
Nf6
12.
Nd3
h6
13.
c5
fxg4
14.
fxg4
g5
15.
Be3
Ng6
16.
Nf2
Nf4
17.
cxd6
cxd6
18.
a4
a6
19.
a5
Bd7
20.
Bb6
Qe7
21.
Rc1
Rac8
22.
Re1
h5
23.
gxh5
g4
24.
Kh1
Nxe2
25.
Nxe2
Nxh5
26.
Rxc8
Bxc8
27.
Ng3
Qh4
28.
Nxh5
Qxh5
29.
Rg1
Rf3
30.
Rg2
Qf7
31.
Qc2
Qf8
32.
Nxg4
Rf1+
33.
Bg1
Bd7
34.
Nf2
Bb5
35.
Rg3
Qd8
36.
Qc3
Kf8
37.
Qf3+
Qf6
38.
Qg4
Kg8
39.
Qc8+
Qf8
40.
Qxb7
Re1
41.
Qc7
Be2
42.
Kg2
Bf1+
43.
Kh1
Be2
44.
Kg2
Bf1+
45.
Kh1
1/2-1/2
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Event
Site
Cleveland
Date
1975.??.??
Round
1
White
Grefe, John Alan
Black
Biyiasas, Peter
Result
1/2-1/2
Score
[Event "Cleveland Plain Dealer"] [Site "Cleveland"] [Date "1975.??.??"] [Round "1"] [White "Grefe, John Alan"] [Black "Biyiasas, Peter"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4 Nf6 12. Nd3 h6 13. c5 fxg4 14. fxg4 g5 15. Be3 Ng6 16. Nf2 Nf4 17. cxd6 cxd6 18. a4 a6 19. a5 Bd7 20. Bb6 Qe7 21. Rc1 Rac8 22. Re1 h5 23. gxh5 g4 24. Kh1 Nxe2 25. Nxe2 Nxh5 26. Rxc8 Bxc8 27. Ng3 Qh4 28. Nxh5 Qxh5 29. Rg1 Rf3 30. Rg2 Qf7 31. Qc2 Qf8 32. Nxg4 Rf1+ 33. Bg1 Bd7 34. Nf2 Bb5 35. Rg3 Qd8 36. Qc3 Kf8 37. Qf3+ Qf6 38. Qg4 Kg8 39. Qc8+ Qf8 40. Qxb7 Re1 41. Qc7 Be2 42. Kg2 Bf1+ 43. Kh1 Be2 44. Kg2 Bf1+ 45. Kh1 1/2-1/2