Mate in 3 · No. 142 · ~1300 · Check

Queen, rook, bishop and knight

White to play and mate in three.

Position

White
king on h6, queen on f2, rook on h7, bishop on b4, knight on f1, pawns on a3, c2 and g4
Black
king on b6, rooks on d4 and e4, bishops on a5 and c8, knight on a6, pawns on a4, a7, b3, b5, b7 and e5