How many movies have Eugen Sokolovský ml. and Jiří Pecha collaborated on?

They have worked on 6 movies together! Their first movie together was Potulné pohádkové divadlo I. (1975) while their highest rated movie together was O chytrém šachovi (1983). They have not worked together since O Držgrešlovi a Drždukátovi (1998). They are most known for their family films together.