Conversation so far:
What did José Raúl Capablanca do after the championship?
After losing the World Championship in late 1927, Capablanca played more often in tournaments, hoping to strengthen his claim for a rematch.
was he able to do a rematch?
From 1928 through 1931, he won six first prizes, also finishing second twice and one joint second.
when did he go into partial retirement?
After winning an event at New York in 1931, he withdrew from serious chess, perhaps disheartened by his inability to secure a return match against Alekhine.

Question: did he do anything while in retirement?
Self-contained rewrite: Did José Raúl Capablanca do anything while in retirement?