Mate in 3 · No. 258 · Harder

Queen and bishop

White to play and mate in three.

Position

White: king on g1, queen on d6, bishop on f6, pawns on c5, f2, g2 and h3
Black: king on f8, rook on g6, bishop on e8, knight on e7, pawns on a5, f7, g5 and h6