So Kramnik, being a chess player and not a statistician, invented various methods of "detecting" cheating which seemed convincing for for a layman but questionable mathematically. Then he started attacking Daniel, Hikaru and some other players online. This all led to pretty tragic consequences. Kramnik still believes that he's in the right. The only good thing out of this is numerous funny videos by chess players try…
A lot of people imagine chess players to he smart, but there's a video of asking grandmasters very simple (imho) general knowledge questions that they did absolutely abysmally at. It's probably safe to assume that someone who is really good at chess is actually bad at anything that isn't chess
The nature of the questions and why they are expected to know the answers matters a lot here.