Mate in 1 · No. 55 · Predicted ~1700

Two rooks, two bishops and knight

White to play and mate in one.

Position

White: king on g1, rooks on b1 and e1, bishops on b2 and c4, knight on g6, pawns on a2, b3, d2, f3, f4 and h2
Black: king on f5, rooks on g8 and h3, bishops on c8 and f8, knights on d8 and e7, pawns on b5, c5, d6, f6 and h7