1.
e4
c5
2.
Nf3
e6
3.
d4
cxd4
4.
Nxd4
Nc6
5.
g3
Nf6
6.
Bg2
Qb6
7.
Nb3
Be7
8.
O-O
O-O
9.
c4
d6
10.
Nc3
Ne5
11.
Qe2
Bd7
12.
Bf4
Qc7
13.
Nd2
Rfc8
14.
Rfd1
Be8
15.
Rac1
a6
16.
b3
Qa5
17.
a4
Nfd7
18.
Ncb1
Nc5
19.
Bxe5
dxe5
20.
Rc3
Rd8
21.
f4
Rd4
22.
Nf1
Rad8
23.
Rxd4
exd4
24.
Rf3
d3
25.
Qd2
Nxb3
26.
Qxa5
Nxa5
27.
Nfd2
Bxa4
28.
Kf1
Bc2
0-1
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Event
Site
Amsterdam
Date
1973.??.??
Round
1
White
Van den Berg, Ad
Black
Jansa, Vlastimil
Result
0-1
Score
[Event "IBM-B"] [Site "Amsterdam"] [Date "1973.??.??"] [Round "1"] [White "Van den Berg, Ad"] [Black "Jansa, Vlastimil"] [Result "0-1"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 Nf6 6. Bg2 Qb6 7. Nb3 Be7 8. O-O O-O 9. c4 d6 10. Nc3 Ne5 11. Qe2 Bd7 12. Bf4 Qc7 13. Nd2 Rfc8 14. Rfd1 Be8 15. Rac1 a6 16. b3 Qa5 17. a4 Nfd7 18. Ncb1 Nc5 19. Bxe5 dxe5 20. Rc3 Rd8 21. f4 Rd4 22. Nf1 Rad8 23. Rxd4 exd4 24. Rf3 d3 25. Qd2 Nxb3 26. Qxa5 Nxa5 27. Nfd2 Bxa4 28. Kf1 Bc2 0-1