This page explains how Xianyu Hui (USATT# 34589)'s rating went from 1825 to 1805 at the Los Angeles Table Tennis Association event from 28 Nov 2009. 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.