Chess world champion Magnus Carlsen, of Norway, studies the board

Download this stock image: Chess world champion Magnus Carlsen, of Norway, studies the board during the fourth round of the World Chess Championship in New York, Tuesday, Nov. 15, 2016. (AP Photo/Seth Wenig) - 2MX20K2 from Alamy's library of millions of high resolution stock photos, illustrations and vectors.

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Chess world champion Magnus Carlsen, of Norway, studies the board during the fourth round of the World Chess Championship in New York, Tuesday, Nov. 15, 2016. (AP Photo/Seth Wenig Stock Photo - Alamy

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