Mate in 1 · No. 222 · Predicted ~600

Rook, bishop and knight

White to play and mate in one.

Position

White: king on e1, rook on c1, bishop on h4, knight on g5, pawn on d4
Black: king on g8, rook on f6, bishop on c8, knight on b8, pawns on d6, f7, g7 and h7