This program implements the scoring rules for Xbox Live that Bungie describes. It allows you to enter in your own level and the level of your opponents and precisely calculate how much experience you will gain or lose in a game against them.

PHP and Mac-compatible versions are also under development.

Registered users of Rampancy can download at the below link (login to download).

UPDATE: The archive has been updated to include a required font, installation instructions, and the application.