Hans Niemann pooh-poohs a chess cheating theory that's based on vibrating beads

"Obviously, it's very disheartening to be accused of cheating," chess grandmaster Hans Niemann said. Asked about a bizarre idea that vibrating anal beads could signal players about the best moves, he replied, "That is not a serious theory." (Tim Vizer/AFP via Getty Images)

Chess prodigy Hans Niemann says he is "unfazed, perspicacious, and composed" as he competes in the World Junior Chess Championship. But Niemann is also answering questions about an improbable method of cheating, one year after controversy took over the chess world.

"Have you ever used anal beads while playing chess?" Piers Morgan asked Niemann on Monday's episode of his talk show.