1.
d4
Nf6
2.
c4
d6
3.
Nf3
Bg4
4.
Nc3
Nbd7
5.
e4
e5
6.
d5
Nc5
7.
Bd3
Be7
8.
Bc2
O-O
9.
h3
Bh5
10.
Qe2
c6
11.
Bd2
Ne8
12.
g4
Bg6
13.
O-O-O
cxd5
14.
Nxd5
Nc7
15.
h4
Nxd5
16.
cxd5
h6
17.
Rdg1
Rc8
18.
Kb1
Bh7
19.
h5
Bg5
20.
Nxg5
hxg5
21.
Rh3
f6
22.
Ra3
a6
23.
Rc1
Qe7
24.
f3
g6
25.
hxg6
Bxg6
26.
Rc3
a5
27.
Ba4
Kg7
28.
Be3
b6
29.
Bb5
Rh8
30.
a3
Rh3
31.
b4
axb4
32.
axb4
Ra8
33.
bxc5
Qa7
34.
Qb2
bxc5
35.
Be2
Rh2
36.
R1c2
Rh1+
37.
Bc1
Be8
38.
Ra3
Ba4
39.
Rxa4
Qxa4
40.
Bc4
Rhh8
41.
Rc3
Rhb8
42.
Bb3
1/2-1/2
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Event
Site
Amsterdam
Date
1972.??.??
Round
4
White
Van Baarle, John
Black
Jongsma, Alexander
Result
1/2-1/2
Score
[Event "IBM-B"] [Site "Amsterdam"] [Date "1972.??.??"] [Round "4"] [White "Van Baarle, John"] [Black "Jongsma, Alexander"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 d6 3. Nf3 Bg4 4. Nc3 Nbd7 5. e4 e5 6. d5 Nc5 7. Bd3 Be7 8. Bc2 O-O 9. h3 Bh5 10. Qe2 c6 11. Bd2 Ne8 12. g4 Bg6 13. O-O-O cxd5 14. Nxd5 Nc7 15. h4 Nxd5 16. cxd5 h6 17. Rdg1 Rc8 18. Kb1 Bh7 19. h5 Bg5 20. Nxg5 hxg5 21. Rh3 f6 22. Ra3 a6 23. Rc1 Qe7 24. f3 g6 25. hxg6 Bxg6 26. Rc3 a5 27. Ba4 Kg7 28. Be3 b6 29. Bb5 Rh8 30. a3 Rh3 31. b4 axb4 32. axb4 Ra8 33. bxc5 Qa7 34. Qb2 bxc5 35. Be2 Rh2 36. R1c2 Rh1+ 37. Bc1 Be8 38. Ra3 Ba4 39. Rxa4 Qxa4 40. Bc4 Rhh8 41. Rc3 Rhb8 42. Bb3 1/2-1/2