Keller, Michael
3rd Prize, Probleemblad, 1981
#3
11 + 12
3752 | FIDE Album (1980-1982) | 1988 |
702 | Phenix | 1989 |
273 | Mat Plus | 1994 |
4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
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