This page explains how Cynthia Hall Ranii (USATT# 87850)'s rating went from 354 to 328 at the ICC CA State Open held on - 19 May 2013. 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.