This page explains how TERRY HAYNES (USATT# 195284)'s rating went from 822 to 819 at the 2015 Luke White Memorial Winter Singles League event from 3 May 2015. 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.