This page explains how Jeffery C Lou (USATT# 278364)'s rating went from 1018 to 1008 at the Spttc Saturday Junior League event from 5 Aug 2023. 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.