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 three-mover, by a great Danish composer. No real clues this
time, except to say think Tom and Jerry!
Solution to be published on Friday 10th October.
The key is 1.Sd4! zugzwang.
Now 1...Kxd4 leads to 2.Sf5+ Kd3 3.Rxd5#, and any S-move to 2.Re3+ Kxd4 3.Sf5#.
The thematic defences are therefore the various bishop retreats. Moves to the
squares e4, e6, c4, c6, b7, f7, b3 are met in each case by the capture of the
bishop by the relevant white knight, so the interesting defences are the remaining