The chess scandal started by the unvoiced, but crystal clear, accusation by the world champion Magnus Carlsen towards GM Hans Niemann after losing to him, has rocked the chess world and world at large.

Accusations have been flying in social media with amateurs bringing all manner of 'data' to either condemn or exonerate the young American player. Others are happy to start throwing stones using mannerisms and attitudes as evidence.

Here is an interview with world renowned expert in cheating detection in chess, Professor Kenneth Regan, who analyzed all of Hans Niemann's games and events from the last two years. These include not only all over-the-board games, but also his online games, including on chess.com, and provides a comprehensive study of the results and renders his verdict.

There is a slightly abridged version of this interview, removing some of the lengthier technical explanations, at    • Is Hans Niemann cheating? - World ren...