Mate in 1 · No. 189 · Predicted ~1300

Two rooks, two bishops and two knights

White to play and mate in one.

Position

White
king on f1, rooks on b1 and e1, bishops on b4 and h5, knights on c6 and h4, pawns on a4, b3, c3, d3, f2 and g3
Black
king on g8, queen on h8, rooks on a1 and e8, bishops on a3 and c8, knight on d5, pawns on a7, d7, f7, g7 and h7