The International Chess Federation is investigating a Russian grandmaster for allegations of cheating he levied at fellow elite players, including 29-year-old U.S. grandmaster and YouTube sensation Daniel Naroditsky, who died earlier this week.

The world governing body for chess, known as FIDE, said Wednesday that it was looking into statements Vladimir Kramnik made "both before and after the tragic death of GM Daniel Naroditsky" to determine if the Russian chess legend should suffer disciplinary actions.

"In recent times, public debate within the chess world has too often moved beyond the boundaries of acceptable, harming not only people's reputation but their very well-being," FIDE President Arkady Dvorkovich said in a statement on the organization's website.

"When this happens, dis

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