Hans Niemann, the 19-year-old Grandmaster embroiled in a cheating scandal, filed a lawsuit against world champion Magnus Carlsen, Chess.com, grandmaster Hikaru Nakamura, and others, seeking $100 million in damages. The lawsuit accuses the defendants of slander, libel, unlawful group boycott, tortious interference with business, and civil conspiracy. Niemann defeated Carlsen in an over-the-board match at the Sinquefield Cup in Missouri in early September. Afterward, Carlsen withdrew from the tournament, posting a vague tweet that implied he couldn't say more about his reasons for withdrawing. Weeks later, during an online match against Niemann at the Julius Baer Cup, Carlsen quit after...