This page explains how Ali H Ammar (USATT# 264944)'s rating went from 1819 to 1806 at the Westchester October 2022 Open held on 29 Oct 2022 - 30 Oct 2022. The links below take you to pages that describe various aspects of the ratings processor.

The ratings 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.