1.
Nf3
c5
2.
c4
Nf6
3.
g3
Nc6
4.
Bg2
d6
5.
O-O
g6
6.
Nc3
Bg7
7.
d4
cxd4
8.
Nxd4
Bd7
9.
Nc2
O-O
10.
b3
Qc8
11.
Bd2
Bh3
12.
e4
Bxg2
13.
Kxg2
Nd7
14.
Qe2
Nc5
15.
b4
Ne6
16.
Rac1
b6
17.
Nd5
Qb7
18.
f3
Rac8
19.
Bc3
Bxc3
20.
Nxc3
Ned4
21.
Nxd4
Nxd4
1/2-1/2
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Event
Site
Amsterdam
Date
1973.??.??
Round
3
White
Hartoch, Robert G
Black
Bellin, Robert
Result
1/2-1/2
[Event "IBM-B"] [Site "Amsterdam"] [Date "1973.??.??"] [Round "3"] [White "Hartoch, Robert G"] [Black "Bellin, Robert"] [Result "1/2-1/2"] 1. Nf3 c5 2. c4 Nf6 3. g3 Nc6 4. Bg2 d6 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4 Bd7 9. Nc2 O-O 10. b3 Qc8 11. Bd2 Bh3 12. e4 Bxg2 13. Kxg2 Nd7 14. Qe2 Nc5 15. b4 Ne6 16. Rac1 b6 17. Nd5 Qb7 18. f3 Rac8 19. Bc3 Bxc3 20. Nxc3 Ned4 21. Nxd4 Nxd4 1/2-1/2