Mate in 1 · No. 228 · Predicted ~700

Queen, rook, bishop and knight

White to play and mate in one.

Position

White
king on g1, queen on b3, rook on b1, bishop on c2, knight on h3, pawns on a2, a4, e4, g4 and h2
Black
king on b8, queen on d8, rooks on a8 and c8, bishops on g8 and h6, pawns on a5, b7, c7, f6 and f7