This page explains how Arun Jha (USATT# 126317)'s rating went from 1488 to 1486 at the Bay Area Table Tennis Federation event from 12 Jan 2009. 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.