This page explains how Darius Fahimi (USATT# 202343)'s rating went from 1670 to 1691 at the Westchester 2017 November Open held on 18 Nov 2017 - 19 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.