1800’s original dexterity game with black lady. The emphasis here is on steady hands, perseverance, and lots of patience rather than logical analysis. In his seminal book Puzzles Old and New published in 1893, Angelo John Lewis, writing under the pen name “Professor Louis Hoffmann” described the class of dexterity puzzles as those “which do not depend upon any secret, or intellectual process, but upon some knack, only to be obtained by repeated persistent effort of the ‘try and try again’ kind on the part of the operator.