function game_group($pReload = FALSE)
 {
     if ($pReload || is_null($this->_game_group)) {
         $value = Ultimatum_Model_Ultgamegroups::as_game_group($this->target_group_id);
         // process
         $this->_game_group = $value;
     }
     return $this->_game_group;
 }