This page explains how Alex Averin (USATT# 81774)'s rating went from 2221 to 2231 at the Westchester September 2018 Open held on 29 Sep 2018 - 30 Sep 2018. 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.