Complex sentence: Its first title was to be "Bobby Fischer's Best Games of Chess" and first announced it would appear "after my match with Botvinnik", an event first suggested for 1962 and again in the the mid 1960s but which never took place.
Split into simpler sentences: Its first title was to be "Bobby Fischer's Best Games of Chess". Fischer first announced it would appear "after my match with Botvinnik", an event first suggested for 1962 and again in the the mid 1960s but which never took place.