Players are ranked on Item Score, it is based on various values. This makes the ranking dynamic and competitive.
This is the tier of the item, each part has a tier, the higher your item, the higher the tier and thus the points.
Is it a SoX item? If your item is Sun, you'll get more point than a Som item.
The higher your plus, the more points you get. A +9 item gets more points than a +8 item and so on.
Advance Elixir's give out points only if your items has Adv. Elixir applied to it.