1.
Nf3
c5
2.
c4
Nc6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
e6
6.
g3
Bb4
7.
Bg2
O-O
8.
O-O
d5
9.
cxd5
exd5
10.
Be3
Be6
11.
Rc1
Qe7
12.
Nxc6
bxc6
13.
Na4
Qb7
14.
Bc5
Bxc5
15.
Nxc5
Qb6
16.
Qd4
Bf5
17.
Rfd1
Rfe8
18.
e3
Rac8
19.
Rd2
h6
20.
f3
Nd7
21.
Nxd7
Bxd7
22.
Rc5
Re7
23.
b4
Rce8
24.
Rd3
Bc8
25.
b5
cxb5
26.
Rxd5
Be6
27.
Qxb6
axb6
28.
Rd6
Bc4
29.
Rc3
Rxe3
30.
Rxe3
Rxe3
31.
Rxb6
Re1+
32.
Kf2
Re2+
33.
Kg1
Rxa2
34.
f4
Kf8
35.
Rb7
Rxg2+
0-1
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Event
Site
Amsterdam
Date
1973.??.??
Round
1
White
Langeweg, Kick
Black
Donner, Jan Hein
Result
0-1
[Event "IBM"] [Site "Amsterdam"] [Date "1973.??.??"] [Round "1"] [White "Langeweg, Kick"] [Black "Donner, Jan Hein"] [Result "0-1"] 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Bb4 7. Bg2 O-O 8. O-O d5 9. cxd5 exd5 10. Be3 Be6 11. Rc1 Qe7 12. Nxc6 bxc6 13. Na4 Qb7 14. Bc5 Bxc5 15. Nxc5 Qb6 16. Qd4 Bf5 17. Rfd1 Rfe8 18. e3 Rac8 19. Rd2 h6 20. f3 Nd7 21. Nxd7 Bxd7 22. Rc5 Re7 23. b4 Rce8 24. Rd3 Bc8 25. b5 cxb5 26. Rxd5 Be6 27. Qxb6 axb6 28. Rd6 Bc4 29. Rc3 Rxe3 30. Rxe3 Rxe3 31. Rxb6 Re1+ 32. Kf2 Re2+ 33. Kg1 Rxa2 34. f4 Kf8 35. Rb7 Rxg2+ 0-1