This page explains how Radha Krushna M Kanchanapelly (USATT# 83335)'s rating went from 1323 to 1313 at the AZ PTTC Monday event from 16 May 2011. 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.