Schachnovelle (1960)
Werner von Basil (a Austrian intellectual) was captured by the Nazi in 1938. The want to break him to confess smuggling. Without any mental sustenance, the only thing left to keep his mind busy is an old tactics book for chess.
Directed by: Gerd Oswald
Starring: Curd Jürgens, Claire Bloom, Hansjörg Felmy, Mario Adorf, Hans Söhnker, Rudolf Forster
Links: IMDb, Movie posters, Movie stills