Mate in 2 · No. 835 · ~1700 · Sacrifice

Queen, rook and bishop

White to play and mate in two.

Position

White: king on b4, queen on e8, rook on d7, bishop on a4, pawns on a3, b2, c3, c4 and f4
Black: king on a6, queen on a7, bishop on d5, knights on a5 and c8, pawns on b3, b6, b7, c6, c7 and d3