C.H.O’D. Alexander / The Imitation Game




Conel Hugh O’Donel Alexander, CMG, CBE (19 April 1909 – 15 February 1974), was an Irish-born British cryptanalyst, chess player, and chess writer. He worked on the German Enigma machine at Bletchley Park during World War II, and was later the head of the cryptanalysis division at GCHQ for over 20 years. In chess, he was twice British chess champion and earned the title of International Master. He was usually referred to as C.H.O’D. Alexander.



His character, played by Mathew Goode (above), and was featured in the recent Oscar nominated film “The Immitation Game”.


Alexander defeated Mikhail Botvinnik in one game of a team radio match against the Soviet Union in 1946, at a time when Botvinnik was probably the world’s top player.


Alexander, Conel Hughes vs. Botvinnik, Mikhail,  Soviet Union,  Source1999.07.01,  Round s2Alexander versus Botvinnik


Click on the Diagram to step through the game (PGN).

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