Carlsen v Niemann: the cheating row that is rocking chess – explained | Sean Ingle

An American teenager's victory against the world champion has sent chess into uproar. We answer the key questions

Allegations of cheating - including wild speculation involving vibrating anal beads - have rocked chess to its core. A fortnight ago, the world champion, Magnus Carlsen, pulled out of a tournament for the first time in his career and then, on Monday he stunned the sport again by resigning a game after just one move. Both times Carlsen was faced with the same opponent, the 19-year-old American Hans Niemann.