There are two (or more) threats in the try, which are refuted by multiple black moves. In solution these refutations become defences, followed by threats from the try.
Scheme of the theme:
1.X? ~ 2.AB, 1…a! / b!
1.Y a 2.A, 1…b 2.B
Mażul, Waldemar
Szachista, 1998
1st Prize
FIDE Album 1998-2000
mate in 2 moves
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