Mate in 3 · No. 126 · Harder

Queen, rook, bishop and knight

White to play and mate in three.

Position

White
king on b1, queen on f8, rook on g4, bishop on c2, knight on h6, pawns on a3, b2 and f2
Black
king on e5, bishop on a8, pawns on b5, g5, g7 and h5