Obregon,A - Valerga,D

Black rook on a8.
Black queen on d8.
Black rook on f8.
Black king on g8.
Black pawn on b7.
Black bishop on e7.
Black pawn on f7.
Black pawn on g7.
Black pawn on h7.
Black knight on e6.
White pawn on c5.
White queen on d5.
White pawn on g5.
White pawn on b4.
White pawn on h4.
White knight on b3.
White knight on c3.
Black bishop on d3.
White bishop on e3.
White pawn on f2.
White rook on c1.
White king on e1.
White rook on h1.