1.Rf6? hg3! (a)
1.R3g1? h3! (b)
1.Rh1? g4! (c)

1.Rf4! (ZZ)

1. ... hxg3 (a) 2.S:g3#
1... h3 (b) 2.R:h3#
1... g4 (c) 2.Rf5#
1... gf4 2.S:f4#