Carlsen was regarded as a chess prodigy as a youngster, and became a Grandmaster in 2004, at the age of 13 years, 148 days.
Carlsen was regarded as a chess prodigy as a youngster. This was at the age of 13 years. Carlsen became a Grandmaster in 2004. This was at the age of 13 years.13 years were 148 days.