diagonal: Nicolas Giffard was the creator of the games and chess consultant of <La diagonal du fou>
Film extract: https://www.youtube.com/watch?v=0Nn...
<Dangerous Moves> (english film title), in French: La Diagonale du fou is a 1984 French-language film about chess, directed by Richard Dembo, produced by Arthur Cohn, starring Michel Piccoli, Alexandre Arbatt, as well as Liv Ullmann, Leslie Caron, and Bernhard Wicki in prominent supporting roles.
Its original French title is "La diagonale du fou" ("The Fool's Diagonal"), referring to the chess piece called the bishop in English - but the fool in French, and in this language <fou> means also <crazy>, <mad>, <lunatic>, <raving>, <insane>, <loco> ..
The movie was a co-production between companies in France and Switzerland. It tells the story of two very different men competing in the final match of the World Chess Championship.
Critical reviews: http://www.imdb.com/title/tt0087144...
The film won the Academy Award for Best Foreign Language Film in 1985 (for the year 1984); it was submitted by the Swiss government, and gave that nation its first Oscar win.
It also won the Louis Delluc Prize, the Prix de l'Académie du Cinema, the César Award for Best Debut. Amongst others, the film was nominated for the Golden Globe, USA in 1985, and Michel Piccoli was nominated for the César Award as Best Actor.