This page explains how Gail Kendall (USATT# 46331)'s rating went from 1212 to 1117 at the NYAC Table Tennis League event from 12 Feb 2004. 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.