Conversation so far:
Did Bobby Fischer start out playing chess with his family?
In March 1949, 6-year-old Bobby Fischer and his sister Joan learned how to play chess using the instructions from a set bought at a candy store.
When was Bobby Fischer born?
Bobby Fischer was born at Michael Reese Hospital in Chicago, Illinois, on March 9, 1943.

Question: How did he start playing chess?
Self-contained rewrite: How did Bobby Fischer start playing chess?