Mate in 3 · No. 498 · Harder

Queen, rook and bishop

White to play and mate in three.

Position

White
king on h4, queen on c2, rook on c8, bishop on a7, pawns on f2, f3 and g4
Black
king on f6, rook on c7, knight on a4, pawns on e5, g7, h5 and h7