Mate in 3 · No. 257 · Easier

Two rooks, bishop and knight

White to play and mate in three.

Position

White
king on c1, rooks on d4 and e5, bishop on c4, knight on e4, pawns on a2, b2, c2, f4, g4 and h3
Black
king on g7, rooks on a8 and h8, bishop on c8, pawns on a4, b7, c6, g6 and h5