This page explains how Judy Chen (USATT# 35087)'s rating went from 1924 to 1894 at the 2010 Junior Olympics/Nationals held on - 2 Aug 2010. 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.