Agatha Christie’s Arithmetic Dmitry Svetosarov, who likes showy cinema, is not a very consistent director. Now he flashes with European professionalism `a la Claude Lelouch in The Speed (1983), now he sags into dull naturalism with The Dogs (1990). In The Arithmetic of Murder Svetosarov decided to stay with the traditional detective format. The crime in the film is investigated with all rules of the genre: detailed questioning of witnesses and suspects, the appearance of some convincing alibis and so on...