1.
e4
g6
2.
d4
Bg7
3.
c4
d6
4.
Nc3
e5
5.
Nf3
Nd7
6.
Be2
Ne7
7.
O-O
O-O
8.
Re1
a5
9.
Bf1
exd4
10.
Nxd4
Nc5
11.
Bf4
Ne6
12.
Be3
Nc6
13.
Nxe6
Bxe6
14.
Qd2
Ne5
15.
Nd5
f5
16.
Bg5
Qd7
17.
exf5
Bxf5
18.
Kh1
Rf7
19.
f3
a4
20.
Rad1
Kh8
21.
Bh6
Raf8
22.
Bxg7+
Kxg7
23.
Qc3
Kg8
24.
c5
Qc6
25.
cxd6
cxd6
26.
Qd4
Be6
27.
Nb4
Qc8
28.
Qxd6
Nxf3
29.
gxf3
Rxf3
30.
Bg2
Bg4
31.
Nd5
Qc2
32.
Ne7+
Kg7
33.
Qd4+
1-0
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Event
Site
Chicago
Date
1979.07.31
Round
3
White
Biyiasas, Peter
Black
O'Donnell, Robert
Result
1-0
WhiteElo
2514
BlackElo
2062
[Event "US Open-80"] [Site "Chicago"] [Date "1979.07.31"] [Round "3"] [White "Biyiasas, Peter"] [Black "O'Donnell, Robert"] [Result "1-0"] [WhiteElo "2514"] [BlackElo "2062"] 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 e5 5. Nf3 Nd7 6. Be2 Ne7 7. O-O O-O 8. Re1 a5 9. Bf1 exd4 10. Nxd4 Nc5 11. Bf4 Ne6 12. Be3 Nc6 13. Nxe6 Bxe6 14. Qd2 Ne5 15. Nd5 f5 16. Bg5 Qd7 17. exf5 Bxf5 18. Kh1 Rf7 19. f3 a4 20. Rad1 Kh8 21. Bh6 Raf8 22. Bxg7+ Kxg7 23. Qc3 Kg8 24. c5 Qc6 25. cxd6 cxd6 26. Qd4 Be6 27. Nb4 Qc8 28. Qxd6 Nxf3 29. gxf3 Rxf3 30. Bg2 Bg4 31. Nd5 Qc2 32. Ne7+ Kg7 33. Qd4+ 1-0