1.
Nf3
d5
2.
g3
Nd7
3.
Bg2
e5
4.
O-O
Ngf6
5.
d3
Bd6
6.
Nbd2
O-O
7.
e4
c6
8.
b3
Re8
9.
Bb2
dxe4
10.
dxe4
Nb6
11.
Qe2
Qe7
12.
a4
a5
13.
Ne1
Bc5
14.
Nd3
Bg4
15.
Qe1
Bd4
16.
Bxd4
exd4
17.
f4
Bc8
18.
h3
Qc7
19.
Qf2
c5
20.
Rfe1
Rd8
21.
f5
c4
22.
bxc4
Nxc4
23.
e5
Ne8
24.
Nxc4
Qxc4
25.
g4
Ra6
26.
Nf4
Rb6
27.
Qh4
f6
28.
exf6
Nxf6
29.
g5
Qc5
30.
gxf6
Rxf6
31.
Nh5
Rff8
32.
f6
g6
33.
f7+
Kh8
34.
Qf6#
1-0
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Event
IBM-B
Site
Amsterdam
Date
1970.07.22
Round
8
White
Black
Prins, Lodewijk
Result
1-0
Score
[Event "IBM-B"] [Site "Amsterdam"] [Date "1970.07.22"] [Round "8"] [White "Timman, Jan H"] [Black "Prins, Lodewijk"] [Result "1-0"] 1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. O-O Ngf6 5. d3 Bd6 6. Nbd2 O-O 7. e4 c6 8. b3 Re8 9. Bb2 dxe4 10. dxe4 Nb6 11. Qe2 Qe7 12. a4 a5 13. Ne1 Bc5 14. Nd3 Bg4 15. Qe1 Bd4 16. Bxd4 exd4 17. f4 Bc8 18. h3 Qc7 19. Qf2 c5 20. Rfe1 Rd8 21. f5 c4 22. bxc4 Nxc4 23. e5 Ne8 24. Nxc4 Qxc4 25. g4 Ra6 26. Nf4 Rb6 27. Qh4 f6 28. exf6 Nxf6 29. g5 Qc5 30. gxf6 Rxf6 31. Nh5 Rff8 32. f6 g6 33. f7+ Kh8 34. Qf6# 1-0