Magnus Carlsen, world chess champ, to relinquish crown - Washington Times

World chess champion Magnus Carlsen, the first Norwegian to win the crown and one of the strongest players in history, announced Wednesday he will not defend his title again in an upcoming match.

Magnus Carlsen retains world chess crown in rapid-fire play-off

Norwegian world chess champion Magnus Carlsen relinquishes crown

World chess champion Magnus Carlsen gives up crown

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Magnus Carlsen defends World Chess Championship crown

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Washington Post - Magnus Carlsen, the reigning world chess

Judit Polgár - Wikipedia

Norwegian world chess champion Magnus Carlsen relinquishes

Magnus Carlsen - Wikipedia

Carlsen wins tie-break and remains World Champion!

The Grandmaster: Magnus Carlsen and the Match That Made Chess