seeane

Okay,

So I’ve found a workaround with category_ID, but I’ll keep looking for a way with category_name.

$cat_id_open = get_cat_ID('competition');
             echo $cat_id_open;
             $cat_id_closed = get_cat_ID('closed');
             query_posts('cat='.$cat_id_open.',-'.$cat_id_closed);