1.
e4
c6
2.
d4
d5
3.
Nc3
dxe4
4.
Nxe4
Nd7
5.
Bc4
Ngf6
6.
Ng5
e6
7.
Qe2
Nb6
8.
Bd3
h6
9.
N5f3
c5
10.
dxc5
Bxc5
11.
Ne5
O-O
12.
Ngf3
Nbd5
13.
a3
a5
14.
O-O
b6
15.
c4
Ne7
16.
b3
Bb7
17.
Bb2
Nf5
18.
Qc2
Nd4
19.
Nxd4
Bxd4
20.
Rad1
Bxb2
21.
Qxb2
Qe7
1/2-1/2
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Event
Site
Amsterdam
Date
1965.??.??
Round
4
White
Zuidema, Coen
Black
Bouwmeester, Hans
Result
1/2-1/2
[Event "IBM"] [Site "Amsterdam"] [Date "1965.??.??"] [Round "4"] [White "Zuidema, Coen"] [Black "Bouwmeester, Hans"] [Result "1/2-1/2"] 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 O-O 12. Ngf3 Nbd5 13. a3 a5 14. O-O b6 15. c4 Ne7 16. b3 Bb7 17. Bb2 Nf5 18. Qc2 Nd4 19. Nxd4 Bxd4 20. Rad1 Bxb2 21. Qxb2 Qe7 1/2-1/2