This page explains how Kedar Jambhekar (USATT# 76173)'s rating went from 1561 to 1557 at the AITTA event from 19 Mar 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.