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Chess Problem 1992g4f601


feenschach, 1992


LEO b7
PAO a5
VAOs c1, h1
MAO b4

1.Kh4!  (2.Sxe3 & 3.Sg4#)

1...MAd5 2.LEa6 & 3.LExd6#
1...MAc2 2.LEc6 & 3.LExc3#

Each black defence blocks a bP, which the wLE can then threaten with ustoppable capture and mate. If the bPs weren’t blocked, the threat to capture them with mate could be refuted my merely moving them, because Leos, Paos and Vaos move and capture in different ways.

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