1.
d4
Nf6
2.
c4
g6
3.
g3
Bg7
4.
Bg2
O-O
5.
Nc3
d6
6.
Nf3
Nbd7
7.
O-O
e5
8.
Qc2
Re8
9.
Rd1
c6
10.
b3
Qa5
11.
e4
a6
12.
d5
Qc7
13.
Ne1
Rb8
14.
Bd2
h5
15.
a4
h4
16.
a5
hxg3
17.
hxg3
Ng4
18.
Na4
Rf8
19.
f3
Ngf6
20.
b4
Nh5
21.
Kh2
f5
22.
c5
cxd5
23.
exd5
e4
24.
Ra3
Ne5
25.
Nb6
Bf6
0-1
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Event
Site
Wijk aan Zee
Date
1971.01.15
Round
4
White
Van den Berg, Carel
Black
Result
0-1
Score
[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.15"] [Round "4"] [White "Van den Berg, Carel"] [Black "Andersson, Ulf"] [Result "0-1"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. Qc2 Re8 9. Rd1 c6 10. b3 Qa5 11. e4 a6 12. d5 Qc7 13. Ne1 Rb8 14. Bd2 h5 15. a4 h4 16. a5 hxg3 17. hxg3 Ng4 18. Na4 Rf8 19. f3 Ngf6 20. b4 Nh5 21. Kh2 f5 22. c5 cxd5 23. exd5 e4 24. Ra3 Ne5 25. Nb6 Bf6 0-1