1.
Nf3
Nf6
2.
g3
g6
3.
Bg2
Bg7
4.
c4
O-O
5.
Nc3
d6
6.
d4
Nbd7
7.
O-O
e5
8.
e4
c6
9.
h3
Qe7
10.
Re1
Re8
11.
d5
c5
12.
a4
Nf8
13.
g4
h6
14.
Bd2
Kh8
15.
Nh2
Ng8
16.
a5
f5
17.
f4
Qd8
18.
exf5
gxf5
19.
g5
e4
20.
h4
Bd7
21.
Nf1
Ng6
22.
Qh5
Kh7
23.
Kh1
Rf8
24.
gxh6
Bxh6
25.
Nxe4
fxe4
26.
Bxe4
Be8
27.
Bc3
Nf6
28.
Bxf6
Qxf6
29.
Nh2
Qxf4
30.
Ng4
Kg7
0-1
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Event
Site
Hamburg
Date
1997.??.??
Round
7
White
Ottenburg, Ralph
Black
Claas, Marco
Result
0-1
Score
[Event "Wichern op 4th"] [Site "Hamburg"] [Date "1997.??.??"] [Round "7"] [White "Ottenburg, Ralph"] [Black "Claas, Marco"] [Result "0-1"] 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. Nc3 d6 6. d4 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qe7 10. Re1 Re8 11. d5 c5 12. a4 Nf8 13. g4 h6 14. Bd2 Kh8 15. Nh2 Ng8 16. a5 f5 17. f4 Qd8 18. exf5 gxf5 19. g5 e4 20. h4 Bd7 21. Nf1 Ng6 22. Qh5 Kh7 23. Kh1 Rf8 24. gxh6 Bxh6 25. Nxe4 fxe4 26. Bxe4 Be8 27. Bc3 Nf6 28. Bxf6 Qxf6 29. Nh2 Qxf4 30. Ng4 Kg7 0-1