Mate in 3 · No. 217 · ~1600 · Check

Queen, rook, bishop and knight

White to play and mate in three.

Position

White
king on g4, queen on f8, rook on d8, bishop on d7, knight on c1, pawns on a2, b3, b4, c2 and e4
Black
king on b7, queen on e7, rook on e6, knights on b5 and c5, pawns on a6, b6, c4, c6, d5 and e5