Mate in 1 · No. 18 · Predicted ~700

Queen, two rooks, bishop and knight

White to play and mate in one.

Position

White
king on g1, queen on d2, rooks on d1 and f2, bishop on b1, knight on c3, pawns on a3, a4, b3, e2, f3 and h2
Black
king on d8, queen on h4, rooks on g8 and h8, bishop on a6, knights on c8 and f4, pawns on b5, d7, e6, e7 and g5