This page explains how Andrew J. Lewis (USATT# 85501)'s rating went from 1139 to 1132 at the Trolley Car Table Tennis Club September Open held on - 20 Sep 2014. 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.