Mate in 3 · No. 413 · ~1900 · Check

Rook, bishop and knight

White to play and mate in three.

Position

White
king on e6, rook on c6, bishop on g4, knight on d3, pawns on b2, b3 and b4
Black
king on d4, rooks on e2 and f4, bishops on a1 and e4, pawns on a4, c5 and e3