This page explains how Sharath Kumar (USATT# 78578)'s rating went from 1979 to 1958 at the Topspin Open League event from 23 Jul 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.