You might try "The Luzhin Defence (2000) "("The Defense"
book by Nabokov was made into a movie nine years ago or so. Stars J. Turturro and E. Warson.
C. Lambert in "Knight Moves" 1992 or some thing like that-spoilt, narcissistic chess champion that...will let you discover the rest.
Lastly a foreign entry of madness and chess-need to look up name. Danish film I believe.
There are a number of chess motifs in films G. Hackman as a detective(?) who ponders over a famous problem throughout the film...etc. "Night Moves" 1975.