Mate in 3 · No. 171 · Harder

Queen, bishop and knight

White to play and mate in three.

Position

White
king on c6, queen on d8, bishop on g4, knight on c4, pawns on c2, e4, f2 and g2
Black
king on e6, rook on g5, bishop on e5, pawns on c3, f5 and h7