Ranking Index Calculator

This calculator uses Javascript and allows you to calculate the changes in your ranking index and grade.
= My starting grade
= My starting index
= Oppo. starting index 
Outcome
Won
Lost
Tournament Class factor
6. The Opens, Mens, Internationals
5. Most tournaments
4. Consolation events
Note that the formal ranking tables use floating point numbers throughout, but only the rounded values are published. Consequently this calculator will only give approximate values. This page can be saved to your local hard disk and run without being connected to the Internet.