Mate in 1 · No. 108 · Predicted ~900

Queen, two rooks and bishop

White to play and mate in one.

Position

White
king on g1, queen on g6, rooks on b1 and f1, bishop on h6, pawns on a3, c4, f3 and f4
Black
king on g8, queen on e8, rook on b8, bishop on c7, knights on a6 and c6, pawns on a5, f7, g5, g7 and h7