Petrosyan,M - Sibashvili,G

Black rook on c8.
Black rook on d8.
Black king on g8.
Black pawn on a7.
Black pawn on f7.
Black pawn on g7.
Black pawn on h7.
Black queen on b6.
Black knight on c6.
Black pawn on b5.
White knight on f5.
White pawn on b4.
Black bishop on d4.
Black knight on g4.
White pawn on a3.
White queen on b3.
White bishop on e3.
White pawn on g3.
White pawn on f2.
White bishop on g2.
White pawn on h2.
White rook on b1.
White rook on f1.
White king on g1.