Originally posted by DrewWorks good, I got no warnings using Firefox and Microsoft Security Essentials to download the 2007 version.
I created a Microsoft excel sheet to calculate rating changes between two players.
To the best of my knowledge, the calculator is accurate. It accounts for the tiered rating system where players above 2100 and 2400 have differing formulas. Furthermore, it can calculate provisional ratings.
If you wish, you may download it here: http://rhpcalculator.webs.com/
Should you find any fault with it, please message me.
All the best,