Шахматист (Chess)

Not far from the parent's home for his bride Alice Kupriyanova found dead private investigator Boris Melikhov. The taxi driver, driving Melihova from the station, says that near the house of a suspicious vehicle on duty Kupriyanov, and Alice remembers that, together with Boris on the train got weird stranger who followed them around the train. Interviewing the conductor, the investigators can establish the identity of a mysterious stranger.