Clausen, Sigurd
1st Prize, Die Schwalbe, 1939
#3
4 + 2
785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1951 |
45 | Schach | 1952 |
114 | Springaren | 1965 |
3773 | FIDE Album (1914-1944) (II) | 1972 |
2012 | Miniature Chess Problems from Many Countries | 1981 |
4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
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