This page explains how Balakumaran Balasubramanian (USATT# 88956)'s rating went from 221 to 220 at the Fremont Table Tennis Academy League event from 17 Nov 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.