This page explains how Sally Huang Moyland (USATT# 94880)'s rating went from 294 to 284 at the ICC - Sunday Beginners League event from 9 Nov 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.