T he American grandmaster Hans Niemann had not left his apartment for four days before our lunch on a cold afternoon in the Flatiron District in New York City. He’d been playing with his table ...

Hans Niemann withdrew from the lie-detector polygraph after losing to Russian GM Daniil Dubov. He accused Dubov of ‘child-like’ behaviour. Hans Niemann recently lost to GM Daniil Dubov in a 18 ...