Best move · No. 43 · Predicted ~900

Two rooks, bishop and knight

White to play. Find the best move.

Position

White: king on g1, rooks on b1 and f3, bishop on c1, knight on b3, pawns on a5, b2, d4, f4 and h2
Black: king on e8, rooks on f2 and h8, bishop on g7, knight on e4, pawns on a7, d5, e7, f7, g6 and h7