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.

Question: when did he go into partial retirement?
Self-contained rewrite: When did José Raúl Capablanca go into partial retirement?