Mate in 3 · No. 38 · Harder

Queen and two rooks

White to play and mate in three.

Position

White
king on c1, queen on b6, rooks on d1 and h8, pawns on a3, b2, c2, d6, f2 and h2
Black
king on c8, queen on e8, rook on a7, bishop on e4, pawns on a6, b5, f7, g5 and g7