Teams are placed in pools by the number of USSSA points that team has.  Points are taken - usually eight days before the tournament start date. That means PRIOR to the weekend BEFORE my tournament.  So if you play in a tournament the weekend before mine, you probably will not have the points listed.  The date the points are taken will be posted on the game schedule as well as the points the team has.  In an "open" tournament, all teams are considered equal. I do not  seed by AA or AAA or Major  classification.  I use total points only.  Any team not having points will be listed ast last seed.  In the case of two or more teams not having points, then the teams will be listed in alphabetical order.