Sibashvili,G - Petrosian,DG

White rook on b8.
Black king on d7.
Black pawn on e7.
Black pawn on c6.
Black knight on d6.
Black pawn on f5.
Black pawn on h5.
Black pawn on b4.
White pawn on d4.
White pawn on h4.
White pawn on e3.
White bishop on f3.
White pawn on g3.
Black rook on c2.
White pawn on f2.
White king on g1.