This page explains how Vidyadhara Gubbi (USATT# 74807)'s rating went from 1455 to 1538 at the Intermediate League event from 19 Mar 2009. 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.