Mate in 3 · No. 265 · Harder

Queen, rook, bishop and knight

White to play and mate in three.

Position

White
king on c3, queen on h6, rook on f3, bishop on a4, knight on a7, pawns on b4, d4 and h3
Black
king on c7, queen on f2, bishop on b3, knight on h5, pawns on c4 and f4