Best move · No. 18 · Predicted ~1900

Queen, two rooks, bishop and knight

White to play. Find the best move.

Position

White
king on g1, queen on h5, rooks on a1 and f1, bishop on c1, knight on b1, pawns on a2, b2, c3, f6, g2 and h2
Black
king on h7, queen on d8, rooks on b8 and f7, bishops on c8 and g7, knights on c6 and h6, pawns on a6, b5, c7, d4 and d7