Mate in 1 · No. 245 · Predicted ~1600

Two rooks, two bishops and two knights

White to play and mate in one.

Position

White
king on f1, rooks on b1 and d1, bishops on c4 and d2, knights on f3 and f6, pawns on a2, c2, h2, h3 and h4
Black
king on h6, queen on b5, rooks on d8 and h8, bishops on c7 and g6, knights on d6 and f4, pawns on b7, e6, e7, f5, g5 and g7