TY  - BOOK
AU  - Watkins John J
TI  - Across the board: mathematics on the chessboard 
SN  - 0691115036
AV  - QA 95 
U1  - 793.74 
PY  - 2004///
CY  - Princeton, N.J., Oxford
PB  - Princeton University Press
KW  - Mathematical recreations
KW  - Chess
N1  - Includes bibliographical references and index
ER  -