Mate in 3 · No. 522 · Harder

Queen, rook and two bishops

White to play and mate in three.

Position

White
king on d8, queen on e1, rook on e4, bishops on c2 and h4, pawns on a4, c4, e2 and h3
Black
king on c6, rook on f4, pawns on e3, f6 and f7