1.
Nf3
c5
2.
e4
e6
3.
Nc3
Nc6
4.
Bb5
Nge7
5.
O-O
a6
6.
Bxc6
Nxc6
7.
d4
cxd4
8.
Nxd4
Be7
9.
Nxc6
dxc6
10.
e5
O-O
11.
Qe2
Qc7
12.
Bf4
c5
13.
Ne4
Qc6
14.
Rad1
b6
15.
Bg5
Bxg5
16.
Rd6
Qc7
17.
Nxg5
Bb7
18.
Qd3
g6
19.
Rd1
Bd5
20.
c4
Bc6
21.
Qh3
h5
22.
Nxe6
1-0
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Event
Site
Petropolis
Date
1973.08.15
Round
16
White
Biyiasas, Peter
Black
Hug, Werner
Result
1-0
Score
[Event "Interzonal-09b"] [Site "Petropolis"] [Date "1973.08.15"] [Round "16"] [White "Biyiasas, Peter"] [Black "Hug, Werner"] [Result "1-0"] 1. Nf3 c5 2. e4 e6 3. Nc3 Nc6 4. Bb5 Nge7 5. O-O a6 6. Bxc6 Nxc6 7. d4 cxd4 8. Nxd4 Be7 9. Nxc6 dxc6 10. e5 O-O 11. Qe2 Qc7 12. Bf4 c5 13. Ne4 Qc6 14. Rad1 b6 15. Bg5 Bxg5 16. Rd6 Qc7 17. Nxg5 Bb7 18. Qd3 g6 19. Rd1 Bd5 20. c4 Bc6 21. Qh3 h5 22. Nxe6 1-0