Mate in 3 · No. 367 · ~1700 · Check

Queen, rook and bishop

White to play and mate in three.

Position

White: king on a5, queen on g8, rook on d2, bishop on h4, pawns on b3, e2, e3, f2 and g2
Black: king on h5, rooks on e7 and f8, bishops on e8 and h2, knight on h3, pawns on e4, f5, f7, g3, g5 and g6