This site now hosts a complete archive of PDF versions of The Problemist Supplement, from 1992 to the current year. This magazine is aimed mainly at newcomers to chess composition, so it is recommended for those who want to find out more about chess problems. You can find the archive here.
This week’s problem is a longer helpmate, a genre we have not featured for some
time. With only a king and bishop to work with, White clearly needs to rely on the
black pieces to block off their own monarch's flights. Older hands will probably
guess the main feature of the solution.