Mate in 1 · No. 107 · Predicted ~700

Queen, two rooks, bishop and knight

White to play and mate in one.

Position

White
king on g1, queen on d3, rooks on b1 and e1, bishop on a4, knight on f6, pawns on a3, b4, d2, e3, f3, g3 and h2
Black
king on h8, queen on a8, rooks on c8 and f8, bishops on b6 and e8, knight on c7, pawns on a6, b7, d6, e7, g5, g7, h5 and h7