Mikhail Botvinnik defended his title in 1951 against the Soviet chess grandmaster David Bronstein, who was a chess writer and tactical genius. He qualified by winning the Candidates Tournament of 1950 in Budapest.
The match lasted 24 games and ended 12:12 and Botvinnik retained his title. Both players won five games each and 14 games were drawn.
Bronstein lost his games because of insufficient endgame technique.
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