This page explains how Narasimhan Ramakrishnan (USATT# 25608)'s rating went from 1944 to 1926 at the 2013 Aurora Fall Open held on - 6 Oct 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.