This page explains how Douglas C. Bakke (USATT# 60972)'s rating went from 1521 to 1520 at the Tucson Table Tennis Club League event from 9 Mar 2013. 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.