Mate in 1 · No. 103 · Predicted ~1300

Queen, two rooks and bishop

White to play and mate in one.

Position

White
king on g1, queen on c4, rooks on b1 and g4, bishop on c6, pawns on a2, a4, b2, b3, e2 and f3
Black
king on e5, queen on f6, rooks on f8 and g8, bishops on a7 and c8, knight on a6, pawns on c5, d5 and g6