This page explains how Kedar Jambhekar (USATT# 76173)'s rating went from 1545 to 1541 at the AITTA event from 18 Nov 2012. 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.