This page explains how Narasimhan Ramakrishnan (USATT# 25608)'s rating went from 1775 to 1605 at the Kentuckiana League event from 21 May 2008. 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.