Mate in 3 · No. 56 · ~2100 · Sacrifice

Queen, rook and bishop

White to play and mate in three.

Position

White
king on a1, queen on f7, rook on b6, bishop on c7, pawns on b2, b3, c2, e2 and g4
Black
king on d4, queen on d5, rook on e1, bishop on e7, knights on b1 and g2, pawns on c5, d7, e3, e4, e5, f4 and g3