Agdestein: How Magnus Carlsen Became the Youngest Chess GrandmasterThe Story and the Games At the age of 13 years, 4 months and 26 days, Magnus Carlsen became the youngest chess grandmaster in the world. The international press raved about the Norwegian prodigy. ''The Washington Post'' even called him the Mozart of chess. Ten years on Magnus Carlsen is the number one in the world rankings and a household name far beyond chess circles. ''Time Magazine'' listed him as one of the 100 most influential people in the world