Huge chess world upset of grandmaster Magnus Carlsen sparks wild claims of cheating with vibrating sex toy Chess scandal: Hans Niemann denies using vibrating beads to cheat : NPR Vibrating crotches, anal beads and suspicious minds: the long, strange history of chess cheats Chess The Guardian Spare me! Chess world abuzz with vibrating anal beads The Anal Beads Cheating Conspiracy About Chess Player Hans Niemann Netflix Explores a Buzzy Chess Cheating Scandal The New York Times