Mate in 1 · No. 203 · Predicted ~1600

Queen, two rooks and bishop

White to play and mate in one.

Position

White
king on g1, queen on g5, rooks on b1 and e1, bishop on g4, pawns on c4, d2, d4 and e2
Black
king on g3, queen on d8, rooks on d7 and h8, bishop on b8, pawns on a6, b6, d5, g6 and h7