Sergey Alexandrovich Karjakin is a Russian chess grandmaster. A chess prodigy, he previously held the record for the world's youngest ever grandmaster, having qualified for the title at the age of 12 years and 7 months.

A chess prodigy is a young child who possesses an aptitude for the game of chess that far exceeds what might be expected at their age. Their prodigious talent will often enable them to defeat experienced adult players and even titled chess masters. Some chess prodigies have progressed to become World Chess Champions.