This page explains how Yueh Yun Lu (USATT# 70350)'s rating went from 1723 to 1721 at the LATTF event from 23 Nov 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.