Mate in 1 · No. 177 · Predicted ~1300

Queen, two rooks, bishop and knight

White to play and mate in one.

Position

White
king on c1, queen on f3, rooks on d1 and f1, bishop on b3, knight on c5, pawns on a2, a4, b2, c3, c4 and e4
Black
king on f8, queen on e8, rooks on a8 and c8, bishops on d8 and h7, knights on d6 and g8, pawns on c7, d5, e7, f7 and g7