SELECT SUM("Goal Diff.") FROM table_11816 WHERE "Losses" > '1' AND "Wins" < '0'
Which team has a Losses value larger than 1 and a Wins value smaller than 0?
CREATE TABLE table_11816 (
    "Pos." real,
    "Wins" real,
    "Ties" real,
    "Losses" real,
    "Goals" text,
    "Goal Diff." real,
    "Points" text
)