This page explains how Vidyadhara Gubbi (USATT# 74807)'s rating went from 1573 to 1557 at the Intermediate League event from 29 Dec 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.