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A five-mover by Philipp Klett (1833-1910), who was a leading composer of the school of composition which prevailed in 19th century Germany.
If the black king escapes to f3 he will never be rounded up, so this must be prevented by the drastic 1.Qf2!, which threatens two discovered mates by the rook. After 1...exf2+ 2.Kxf2 renews the threats, while exposing the king to the queen and knight battery. Checks such as 2...Sb3+ are followed by 3.Sb6, threatening even more discovered mates, and the conclusion is 3...Qxb6+ 4.Rc5+ Qxg6 5.Re5. A knight check on move 1 is simply met by 2.Kh1.
In his 1978 collection of Klett's work, John Beasley described this problem as “A sheer out-of-the-blue spectacular”.
Dafydd Johnston: Spectacular fireworks in the main line. I suppose the trick of trying the most unlikely looking key might help in solving, especially with a problem of this vintage.
Any comments or questions on this problem should be addressed to
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