In this file photo, Sergey Karjakin, of Russia, reaches in to take a white piece from his opponent, Magnus Carlsen, of Norway, in Game 12 of the World Chess Championship, Monday, Nov. 28, 2016, in New York. U.S. chess grandmaster Hans Moke Niemann, the target of cheating allegations at the highest level of the game, has made a counter-move against his accusers, filing a $100 million-plus lawsuit accusing world champion Magnus Carlsen of Norway, top U.S. grandmaster Hikaru Nakamura and one of the biggest online chess-playing services of "colluding to blacklist" him from competing. (AP Photo/Mark Lennihan) ** FILE **
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