Chess grandmaster Daniel Naroditsky died of an apparent overdose

American chess grandmaster Daniel Naroditsky had several drugs in his system when he unexpectedly died, according to a recently released toxicology report. 

Naroditsky was just 29 years old when he was found dead on his couch at his home in Charlotte, North Carolina, by friend and fellow grandmaster Oleksandr Bortnyk, who went to check on him on October 19.

At the time, police confirmed to the Daily Mail that Naroditsky may have committed suicide or accidentally overdosed, as they did not find signs of foul play or criminal activity. 

According to a toxicology report by the North Carolina Office of the Chief Medical Examiner that was obtained by NBC News, Naroditsky had methamphetamine, amphetamine, 7-hydroxymitragynine and mitragynine in his system when he died.

The first two chemicals are synthetic stimulants, while the latter two are the primary active chemical compounds found in Kratom, a plant native to Southeast Asia with opioid-like effects.

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