This page explains how Sagar Arun (USATT# 79386)'s rating went from 2188 to 2139 at the The Top Spin Saturday League event from 1 Dec 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.