This page explains how Nader Fahimi (USATT# 201540)'s rating went from 1603 to 1600 at the LYTTC Friday Pro League event from 10 Nov 2017. 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.