Chlubna, Friedrich
1st Prize, Problem (Zagreb), 1968
#3
5 + 7
23 | Die Schwalbe | 1974 |
14730 | Problempalette II (Chlubna/Wenda) | 1991 |
56 | The Problemist | 2005 |
56 | The Problemist | 2012 |
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