How many movies have Igor Efimov and N. Chirskov collaborated on?

They have worked on 11 movies together! Their first movie together was The Adventures of Sherlock Holmes and Dr. Watson: Bloody Inscription (1980) while their highest rated movie together was The Adventures of Sherlock Holmes and Dr. Watson: The Treasures of Agra (1983). They have not worked together since The Adventures of Sherlock Holmes and Dr. Watson: The Twentieth Century Begins, Part 1 (1988). They are most known for their adventure films together.