This page explains how Mahadevan Arivazhakan (USATT# 97451)'s rating went from 322 to 317 at the The Top Spin Saturday League event from 31 Jan 2015. 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.