In 2009 , Munoz wrote and produced his second feature film , '' Under Jakob 's Ladder '' . Directed by Mann Munoz , it stars Jeff Stewart and Christopher Elliott , and also features Ken Jennings . This film is based on the experiences of his maternal great-grandfather , who was one of the Germans from Russia who survived the Holodomor and was arrested and thrown into prison during Stalin 's Great Terror in the late 1930s . One of the chess endgames in the movie was created by grandmaster Susan Polgar
Great Terror
Great Purge
Roberto Muñoz (producer)