Cao,S - Ruck,R

Black king on b8.
Black rook on d8.
Black pawn on b7.
Black pawn on f7.
Black pawn on a6.
Black bishop on e6.
Black queen on f5.
Black rook on h5.
White queen on b4.
White pawn on c4.
White pawn on h4.
White knight on b3.
White pawn on a2.
White pawn on g2.
White rook on e1.
White bishop on f1.
White king on g1.