Mate in 3 · No. 184 · Harder

Queen, rook and two bishops

White to play and mate in three.

Position

White
king on h2, queen on d8, rook on f8, bishops on a2 and b2, pawns on e4 and f4
Black
king on g7, rook on e7, bishop on h5, knight on f6, pawns on a5, b5, b6, e5 and h7