Chess problems:
Conventions in Retroanalysis: A Plea for Consistency and Completeness , 2002
" A Free Lunch in Chess and Logic? ," The Mathematical Intelligencer , Volume 25, Number 3, 2003, 53-55
Some composed problems [various dates, periodicals]
Various contributions to (and maintenance of) ChessProblem.net
" Wrong-footed ," The Problemist Supplement , March 2008
Chess games: