1.
c4
Nf6
2.
Nf3
e6
3.
g3
c5
4.
Bg2
d5
5.
cxd5
exd5
6.
d4
Nc6
7.
O-O
Be7
8.
dxc5
Bxc5
9.
Nbd2
O-O
10.
Ne1
Re8
11.
Nd3
Bb6
12.
Nf4
Bf5
13.
h3
Nd4
14.
Nf3
Bc2
15.
Qe1
Nf5
16.
Kh2
Ne4
17.
g4
Ne7
18.
Nd2
Ba5
19.
f3
Nf6
20.
Kh1
g5
21.
Nh5
Nxh5
22.
gxh5
Nf5
23.
f4
Rxe2
0-1
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Event
Site
Amsterdam
Date
1975.??.??
Round
5
White
Dieks, Dennis
Black
Result
0-1
Score
[Event "IBM-B"] [Site "Amsterdam"] [Date "1975.??.??"] [Round "5"] [White "Dieks, Dennis"] [Black "Nunn, John DM"] [Result "0-1"] 1. c4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 d5 5. cxd5 exd5 6. d4 Nc6 7. O-O Be7 8. dxc5 Bxc5 9. Nbd2 O-O 10. Ne1 Re8 11. Nd3 Bb6 12. Nf4 Bf5 13. h3 Nd4 14. Nf3 Bc2 15. Qe1 Nf5 16. Kh2 Ne4 17. g4 Ne7 18. Nd2 Ba5 19. f3 Nf6 20. Kh1 g5 21. Nh5 Nxh5 22. gxh5 Nf5 23. f4 Rxe2 0-1