Tragic US chess grandmaster Daniel Naroditsky was tormented by the unfounded cheating allegations leveled against him in the year before his death, his heartbroken mom said — as the ex-world champ who fueled them is now being investigated for possible disciplinary action.

Naroditsky, whose shock death was announced Monday, had been engaged in a bitter feud with former grandmaster Vladimir Kramnik after the Russian rival started accusing him of cheating in online chess.

The California-born pro — who became a grandmaster at just 18 — had strenuously denied cheating and accused Kramnik of trying to ruin his life. 3

“There was nothing more important to Daniel than his dignity and his name as a chess player,” Naroditsky’s grieving mom, Elena Naroditsky, told the Daily Mail .

“Daniel

See Full Page