Mate in 2 · No. 623 · ~2100 · Check

Queen, rook, bishop and knight

White to play and mate in two.

Position

White
king on e1, queen on c3, rook on a6, bishop on c5, knight on d3, pawns on a4, d4, g2 and h4
Black
king on d5, queen on e6, rooks on c8 and g8, bishop on b8, knight on c7, pawns on a7, b5, d6, d7, e5 and f4