Last week’s puzzle, a mate in 2 composed by Richmond Chess Club’s Edward Bagehot Schwann, solves as follows:
If 1… a4, 2.R×c5#
If 1… Ka4, 2. Nc3#
If 1… K×c4, 2. Be2#
If 1… Kc6, 2. Nd4#
Nothing profound or difficult, but a flight-giving key, three-quarter star flights and two pin mates.
A good introduction to the chess problem art, I think.