Mate in 3 · No. 46 · Harder

Queen, rook, bishop and knight

White to play and mate in three.

Position

White
king on f7, queen on b3, rook on d8, bishop on b4, knight on h6, pawns on a4, e3, f3 and h3
Black
king on a6, rook on g5, pawns on c3, c7 and d3