The official report on Daniel Naroditsky’s death was published by The North Carolina Office of the Chief Medical Examiner on January 22. The most probable cause of death for Daniel was arrhythmia.

The report states the arrhythmia may have been caused by heart damage resulting from sarcoidosis found in Daniel — a systemic disease causing inflammation in organs.

All examinations classified Naroditsky’s death as an accident.

The toxicology report for Daniel Naroditsky showed he had taken a mix of drugs, including substances such as methamphetamine and amphetamine, prior to his death. These results were published on January 20.

Daniel Naroditsky’s death was announced on October 20, 2025. Daniel was an American GM, commentator, streamer, educator, and popularizer of chess among young players.