This page explains how Senthilkumar Sekaran (USATT# 85630)'s rating went from 1825 to 1823 at the Charlotte-Russian Open event from 11 May 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.