Factual error: When Denniston introduces Hugh Alexander he says he (Alexander) is a British chess champion. Alexander says "twice." This is not true. Hugh Alexander had only won the British chess championship once by 1940 (in 1938), his second win was in 1956.
The Imitation Game (2014)
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Directed by: Morten Tyldum
Starring: Keira Knightley, Benedict Cumberbatch, Matthew Goode, Charles Dance
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More mistakes in The Imitation Game
Joan Clarke: Sometimes it is the people no one imagines anything of who do the things that no one can imagine.
Question: When they finally break the code, Turing reads the decrypted message. Wouldn't it have been in German, which he earlier in the film admitted he did not read?
Answer: It is in German; you can see it as it's being written down. Afterwards, Turing doesn't read it out; Cairncross hands it to Alexander, who reads it aloud (in English).