Another puzzle for an easy Reitstein day

Black to play and win

Miles-Hodgson, Zaragoza 1993

Solution

I found this one hard to spot, but applying the mantra consider all threats to biff and biffs includes checks) then 1…Qf4!! was found. White's only try is 2 hg (2 g3 Qg3+, and the f pawn is pinned) when 2…Bf2+ 3 Rf2 (3 Kh1 Qh6 mate is an unusual version of back rank mate) 3…Re1+ and 4 Rf1 Qf1+ 0-1

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