Duffy's single corner
Subtitle: the game of checkers
By: by far the most complete treatise ever undertaken on this popular opening, by J. M. Duffy; over 1500 variations of forced line play, 200 diagrammed positions, 96 high class problems arising from games in book.
Publisher: F. R. Wendemuth
Published: 1934
Place of publication: Chicago, Ill
Language: eng
Number of pages: 128
Subjects: Checkers.
Other titles: Single corner.