Perez Ponsa,F - Pereira,Si

Black rook on a8.
Black bishop on c8.
Black rook on f8.
Black king on g8.
Black queen on c7.
Black bishop on e7.
Black knight on g7.
Black pawn on a6.
Black knight on c6.
Black pawn on d6.
Black pawn on h6.
Black pawn on c5.
Black pawn on e5.
Black pawn on f5.
White knight on g5.
White knight on h5.
White bishop on a4.
White pawn on c4.
White pawn on a3.
White pawn on d3.
White pawn on h3.
White bishop on d2.
White pawn on f2.
White pawn on g2.
White rook on b1.
White queen on d1.
White rook on f1.
White king on g1.