World's best chess player loses tournament after 'horror mouseslip

World Chess Champion Magnus Carlsen exited an online tournament on Thursday after accidentally moving his queen to the wrong square, allowing rival Hikaru Nakamura to take it with his king and ultimat

Magnus Carlsen loses thanks to dramatic mouse slip in last

World's best chess player loses tournament after 'horror mouseslip

World's best chess player loses tournament after 'horror mouseslip

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Magnus Carlsen: How the World's Best Chess Player Lost His Motivation

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Nakamura faces Caruana after mouse-slip thwarts Magnus