Mate in 3 · No. 280 · Harder

Queen, rook and bishop

White to play and mate in three.

Position

White
king on d7, queen on b2, rook on d8, bishop on g1, pawns on d2 and f2
Black
king on c4, queen on f1, rook on h2, bishop on e2, pawns on a7, e5, f4 and f7