thepokerdb houses more multi-table tournament results than anywhere on the Internet.  When it comes to calculating a true rank for online players, more data is better.  Not only is our data not limited to large-scale prize pools, we also add in a small negative figure for non-cash tournaments.  This means that volume isn't the number one determining factor in high rankings.

What is the formula used to determine Online Rankings?

All players in the Upper 15%
10 * (Sqrt(players) / Sqrt(finishing position)) * (1 + Sqrt(buy-in))

All players in the Lower 85% receive negative points
((Entire point pool of all upper 15% / number of players in the lower 85%) * 0.25) * -1