This page explains how Hailong Shen (USATT# 75153)'s rating went from 2470 to 2454 at the Bay Area Table Tennis Federation event from 18 Sep 2011. 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.