<P> "Back to square one" is a phrase that means "to go back to the beginning, after a dead - end or failure". </P> <P> It can also refer to: </P> <Ul> <Li> Square One (puzzle), also called "Back to Square One" </Li> <Li> Back to Square One (film), a 1994 German film </Li> </Ul> <Li> Square One (puzzle), also called "Back to Square One" </Li>

Where did the phrase back to square one come from