Mate in 2 · No. 700 · ~2100 · Check

Queen, rook, bishop and knight

White to play and mate in two.

Position

White
king on f7, queen on e1, rook on e3, bishop on f4, knight on c8, pawns on b4, c3, d4 and g4
Black
king on b5, queen on b2, rook on a5, bishop on a3, knights on a2 and c6, pawns on a4, b3, c7 and d6