Mate in 1 · No. 231 · Predicted ~1200

Rook, bishop and knight

White to play and mate in one.

Position

White: king on g2, rook on f7, bishop on e2, knight on f5, pawns on a3, c2, d2, g4 and h2
Black: king on c8, rooks on b8 and h7, bishop on g8, knight on h6, pawns on b5, b7, c7 and d7