How many movies have Karel Cop and Rudolf Beneš collaborated on?

They have worked on 11 movies together! Their first movie together was Four Murders Are Enough, Darling (1971) while their highest rated movie together was Příště budeme chytřejší, staroušku! (1982). They have not worked together since Příště budeme chytřejší, staroušku! (1982). They are most known for their drama films together.