Five years ago, with the occasion of the Chess Olympiad in Dresden 2008, a quick composing tourney with two sections was organized. The required theme in the tourney was:
In a h#3 White pins (after a checkless key) his own piece on its first move. The pinned piece delivers check mate.
A: 1.Bd5 Bxf2 2.Sf4 Bxe3 3.Qd7 Bc5#
B: 1.Rd5 Rxe2 2.Sd3 Rxe3 3.Qc7 Re6#
The judge Udo Degener praised the construction hoping that no anticipation will be found. The whole play is based on the destruction of two black batteries unpinning the thematic white pieces and black Grimshaw.
The black Queen performs a selfblock while unguarding the mating square.
[Award of the Dresden 2008 QCT]
One year later, the same piece arrangement leaded to another success in a different tournament: