This page explains how Emily Goodwin (USATT# 197456)'s rating went from 1143 to 1142 at the WCTTA Saturday League event from 10 Nov 2018. 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.