1.
Nf3
Nf6
2.
b3
d6
3.
g3
e5
4.
c4
g6
5.
Bb2
Bg7
6.
Bg2
O-O
7.
O-O
c5
8.
Nc3
Nc6
9.
d3
Rb8
10.
e3
Ne8
11.
Nd2
Nc7
12.
a3
Be6
13.
Nd5
Qd7
14.
f4
Ne7
15.
e4
f6
16.
b4
b6
17.
Bc3
Nc6
18.
b5
Nd4
19.
Bxd4
exd4
1/2-1/2
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Event
Site
Mannheim
Date
1975.03.18
Round
4
White
Ostermeyer, Peter
Black
Result
1/2-1/2
Score
[Event "GER-ch56 International03"] [Site "Mannheim"] [Date "1975.03.18"] [Round "4"] [White "Ostermeyer, Peter"] [Black "Keene, Raymond"] [Result "1/2-1/2"] 1. Nf3 Nf6 2. b3 d6 3. g3 e5 4. c4 g6 5. Bb2 Bg7 6. Bg2 O-O 7. O-O c5 8. Nc3 Nc6 9. d3 Rb8 10. e3 Ne8 11. Nd2 Nc7 12. a3 Be6 13. Nd5 Qd7 14. f4 Ne7 15. e4 f6 16. b4 b6 17. Bc3 Nc6 18. b5 Nd4 19. Bxd4 exd4 1/2-1/2