Our third problem, though “only” a mate in two, proved difficult for most and impossible for some. However, this is the whole point! These compositions are supposed to be a challenge, and solving them should give the reader real satisfaction.

White mates in two. ORGAN PIPE.
1st Prize, Maggar Sakkelet, 1974.
1.Kg1! (Lloyd’s Organ Pipe theme doubled) when mate next move is impossible to stop!

As is so common, the answer turned out to be the most innocuous looking, counter intuitive move!