World chess champion Magnus Carlsen defends his title - CBS News

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Magnus Carlsen - Wikipedia

Magnus Carlsen, 22, is First Western-Born World Chess Champion

An Unmotivated Magnus Carlsen Will Give Up World Chess Title - The

Magnus Carlsen retains chess world champion title

Magnus Carlsen retains chess world champion title

Play Magnus - Chess Training, Magnus Carlsen

World's No. 1 chess player Magnus Carlsen holds title - CBS News