The trailer for the upcoming Disney film 'Queen of Katwe' has been released. Directed by Indian filmmaker Mira Nair, it stars Lupita Nyong'o, David Oyelowo and Madina Nalwanga. It is a biographical drama based on Phiona Mutesi, a Ugandan chess prodigy who was declared a 'Woman Candidate Master' by the World Chess Federation. The film will release on September 30.