How can playing chess nude prove you didn't cheat — and why did a world champion pull out after just one move?
Norwegian grandmaster Magnus Carlsen pulled the most "disrespectful" move there is this week when he resigned from a game against teen star Hans Niemann, Dr David Smerdon, an Australian grandmaster, said.
The 19-year-old Niemann had been accused of cheating in an earlier game against Carlsen, who had tweeted an allusion that the US player had not been above board.