This page explains how Jackie Feng (USATT# 70467)'s rating went from 1851 to 1788 at the West Jersey Table Tennis Club League event from 21 Apr 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.