Studies composed by
Heinrich Cordes
(Germany, 10.10.1852 - 24.4.1917)
On ChesscomposeBlogspot we can read:
Heinrich Cordes was a writer, chess solver and composer.
More can be read on several places like German Wikipedia.
(All his studies, more exact dates, possible corrections or cooks and exact details about sources can be found in the
Harold van der Heijden database V (31-12-2015) ).
The endgame that made him famous was the following reciprocal zugzwang: