This page explains how Tarun Tandon (USATT# 74872)'s rating went from 1904 to 1891 at the The Top Spin Saturday League event from 23 Feb 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.