Dutch grandmaster beats world champion Carlsen at Tata Chess

Dutch grandmaster Anish Giri beat world champion Magnus Carlsen in the fourth round of the Tata Steel Masters in Wijk aan Zee on Tuesday. Carlsen, who won the tournament eight times and has been world champion since 2013, made a mistake which allowed Giri to go on the attack using both bishops. It is not the first time Giri has beaten Carlsen. He first defeated the champion in 2011, when he was 16 and Carlsen 20, also at the Wijk

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