This page explains how Danny Hui (USATT# 70967)'s rating went from 1841 to 1811 at the ICC Juniors and Adults League event from 4 Aug 2008. 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.