Best move · No. 47 · Predicted ~1700

Two rooks and bishop

White to play. Find the best move.

Position

White
king on c1, rooks on g1 and g3, bishop on c2, pawns on a3, b2, c4, e3 and h4
Black
king on f8, rooks on a8 and g8, bishops on c6 and d4, knight on c5, pawns on a5, b7, e4 and f7