Best move · No. 50 · Predicted ~1000

Two rooks, bishop and knight

White to play. Find the best move.

Position

White: king on f1, rooks on a1 and h1, bishop on e6, knight on e5, pawns on a3, b4, f4 and h3
Black: king on h8, queen on e7, rooks on a8 and e8, knight on b8, pawns on a6, b5, f5, g6 and h6