Chigaev,M - Petrosyan,T1

Black rook on a8.
Black knight on b8.
Black king on e8.
Black pawn on b7.
Black knight on e7.
Black pawn on f7.
Black pawn on g7.
Black pawn on a6.
Black pawn on c6.
Black queen on d6.
Black rook on g6.
Black pawn on d5.
White pawn on c4.
White pawn on d4.
White pawn on e4.
Black pawn on h4.
White pawn on b3.
White knight on c3.
White pawn on e3.
Black bishop on h3.
White pawn on a2.
White knight on d2.
White bishop on e2.
White pawn on g2.
White rook on a1.
White queen on e1.
White rook on f1.
White king on g1.