Mate in 1 · No. 3 · Predicted ~900

Two rooks, two bishops and two knights

White to play and mate in one.

Position

White
king on e1, rooks on d1 and g1, bishops on b3 and e3, knights on e5 and f3, pawns on a4, c2, d2, d4, e2, g3 and h2
Black
king on h8, queen on h6, rooks on b6 and g8, bishops on a8 and c5, knights on f4 and f6, pawns on b7, d7, e6, f7, g5, g7 and h7