Mate in 1 · No. 147 · Predicted ~1300

Queen, two rooks and two bishops

White to play and mate in one.

Position

White
king on g2, queen on f7, rooks on d4 and e1, bishops on a2 and g7, pawns on b4, d2, e2, e4, f2, f4 and g3
Black
king on h7, queen on f6, rooks on b8 and h8, bishops on c7 and f5, knight on c6, pawns on a7, e7, g5, g6 and h6