This page explains how Phil Dillard (USATT# 71699)'s rating went from 1420 to 1415 at the Paddle Palace Atlanta Summer Open held on 5 Jun 2021 - 5 Jun 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.