Mate in 3 · No. 39 · Harder

Queen and rook

White to play and mate in three.

Position

White: king on b1, queen on e8, rook on c8, pawns on b2, d4, e3, f3, g2 and h6
Black: king on f5, queen on b3, rook on b6, pawns on f7, g4 and h7