Conversation so far:
How did Garry Kasparov rise to the top?
In January 1984, Kasparov became the No. 1 player in the world, with a FIDE rating of 2710.
When did Garry Kasparov start playing competitively
Kasparov won the Soviet Junior Championship in Tbilisi in 1976, scoring 7 points of 9, at age 13.

Question: Did he play in other matches as a teen?
Self-contained rewrite: Did Garry Kasparov play in other matches as a teen?