In the period between the matches Botvinnik had thoroughly analyzed Tal 's style , and turned most of the return match 's games into slow wars of maneuver or endgames , rather than the complicated tactical melees which were Tal 's happy hunting ground .
Between the matches Botvinnik thoroughly analyzed Tal 's style , and turned most of the return match 's games into close maneuvers and endgames , rather than the complicated tactical melées which were Tal 's preference .