This page explains how Shane Olff (USATT# 87639)'s rating went from 1099 to 1007 at the March Westchester Table Tennis Open held on - 25 Mar 2012. 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.