Perez,Rob - Petrosian,TL

Black rook on c8.
Black queen on d8.
Black rook on e8.
Black king on g8.
Black pawn on a7.
Black bishop on b7.
Black bishop on g7.
Black pawn on b6.
Black pawn on d6.
Black knight on f6.
Black pawn on g6.
Black pawn on h6.
Black pawn on e5.
White pawn on e4.
White pawn on h4.
White pawn on a3.
White knight on c3.
White queen on d3.
White bishop on e3.
White knight on f3.
White pawn on b2.
White pawn on c2.
White pawn on g2.
White king on c1.
White rook on d1.
White rook on e1.