Mate in 1 · No. 99 · Predicted ~600

Rook and two knights

White to play and mate in one.

Position

White: king on g1, rook on d1, knights on e5 and f1, pawns on d3, e2, g3 and h3
Black: king on a7, rooks on a8 and e8, knight on b7, pawns on a5, a6, b6, c5 and h7