1.
d4
Nf6
2.
c4
e6
3.
Nc3
Bb4
4.
Qc2
c5
5.
dxc5
Na6
6.
Bd2
O-O
7.
a3
Bxc3
8.
Bxc3
Nxc5
9.
Nf3
Re8
10.
e3
b6
11.
Be2
Bb7
12.
O-O
Rc8
13.
Nd2
d5
14.
Qd1
Nce4
15.
Bxf6
Nxf6
16.
cxd5
Bxd5
17.
Ba6
Rc7
18.
Rc1
1/2-1/2
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Event
Site
Amsterdam
Date
1962.08.17
Round
4
White
Dunkelblum, Arthur
Black
Rellstab, Ludwig Sr
Result
1/2-1/2
[Event "IBM"] [Site "Amsterdam"] [Date "1962.08.17"] [Round "4"] [White "Dunkelblum, Arthur"] [Black "Rellstab, Ludwig Sr"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Na6 6. Bd2 O-O 7. a3 Bxc3 8. Bxc3 Nxc5 9. Nf3 Re8 10. e3 b6 11. Be2 Bb7 12. O-O Rc8 13. Nd2 d5 14. Qd1 Nce4 15. Bxf6 Nxf6 16. cxd5 Bxd5 17. Ba6 Rc7 18. Rc1 1/2-1/2