This difficult checkmate in two puzzle comes from Joseph William Abbott who published this tricky problem in a book entitled 121 chess problems
'The Abbott's Conundrum' - White to Move, Checkmate in 2
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ThePawnSlayer
Jan 2, 2022
0
#1
Beauty!
Btw, one can add a black pawn on g4 for an extra variation but that does not necessarily improve the problem.