1.
e4
c6
2.
d3
d5
3.
Nd2
Na6
4.
Ngf3
Nc7
5.
g3
Bg4
6.
Bg2
e6
7.
h3
Bxf3
8.
Bxf3
Nf6
9.
O-O
Be7
10.
Qe2
O-O
11.
c3
Nd7
12.
Bg2
Re8
13.
f4
Rb8
14.
Kh2
Nc5
15.
e5
d4
16.
c4
a5
17.
Ne4
Nxe4
18.
Bxe4
g6
19.
Bd2
Bb4
20.
a3
Bxd2
21.
Qxd2
Ra8
22.
b4
1/2-1/2
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Event
Site
Amsterdam
Date
1966.07.22
Round
1
White
Hartoch, Robert G
Black
Mueller, Hans
Result
1/2-1/2
[Event "IBM-B"] [Site "Amsterdam"] [Date "1966.07.22"] [Round "1"] [White "Hartoch, Robert G"] [Black "Mueller, Hans"] [Result "1/2-1/2"] 1. e4 c6 2. d3 d5 3. Nd2 Na6 4. Ngf3 Nc7 5. g3 Bg4 6. Bg2 e6 7. h3 Bxf3 8. Bxf3 Nf6 9. O-O Be7 10. Qe2 O-O 11. c3 Nd7 12. Bg2 Re8 13. f4 Rb8 14. Kh2 Nc5 15. e5 d4 16. c4 a5 17. Ne4 Nxe4 18. Bxe4 g6 19. Bd2 Bb4 20. a3 Bxd2 21. Qxd2 Ra8 22. b4 1/2-1/2