This page explains how Bill Milstead (USATT# 221289)'s rating went from 1582 to 1585 at the Richmond TTC Weekly League event from 7 Jul 2021. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.