Keller, Michael
Kutzborski, Dieter
3rd HM., Freie Presse, 1992
#3
9 + 6
4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
6113 | Problemschach-Jahrbuch (1993) | 1994 |
3666 | Problem Paradise | 2000 |
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