Mate in 3 · No. 202 · ~1700 · Check

Queen, rook, bishop and knight

White to play and mate in three.

Position

White
king on g2, queen on b2, rook on f8, bishop on f7, knight on g5, pawns on d4, f2, f4, h3 and h4
Black
king on a4, rooks on c6 and d1, bishops on b3 and c1, knights on b7 and c3, pawns on a3, b4, b5, c5, d3 and d7