A javascript tool to calculate rating change after a USATT certified tournament.
Usage:
1. Click the "Add New Match Row" button to add a new row to the table if you played more than 1 match in the tournament.
2. Enter opponent's rating and select whether you win the match.
3. Click the "Calculate My New Rating" button to get your post-tournament rating.
Disclaimer: the calculation is based on USATT rating explaination, assuming your opponents' ratings are not adjusted.