Mate in 1 · No. 209 · Predicted ~1700

Queen, two rooks, two bishops and two knights

White to play and mate in one.

Position

White
king on h1, queen on b6, rooks on a1 and e1, bishops on e4 and e5, knights on a5 and f4, pawns on c3, d2, e2, g2, h2 and h4
Black
king on b8, queen on b4, rooks on a8 and c8, bishops on d8 and g6, knights on e6 and f8, pawns on a6, a7, b7, c5, c7, d5, d6 and f6