This page explains how Mohit Shah (USATT# 83352)'s rating went from 1309 to 1309 at the Eldersburg Friday Night League event from 7 Oct 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.