Mate in 3 · No. 403 · ~1900 · Check

Two rooks, bishop and knight

White to play and mate in three.

Position

White: king on g7, rooks on b5 and c1, bishop on d4, knight on e7, pawns on a3, c2 and g4
Black: king on e6, queen on d7, bishop on d6, knight on b6, pawns on b7, c3, c7, f3, f4 and g5