This page explains how Yong Ren (USATT# 16465)'s rating went from 2191 to 2175 at the GBTTC Table Tennis League event from 14 May 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.