Best move · No. 55 · Predicted ~900

Two rooks, bishop and knight

White to play. Find the best move.

Position

White
king on e2, rooks on a1 and b1, bishop on f7, knight on a2, pawns on a4, a5, c2, d3, f2, g2 and h3
Black
king on c7, rooks on a8 and h8, bishop on b4, knights on a6 and f6, pawns on d5, e5, g7 and h7