28 Jul 2018 - 29 Jul 2018
This page explains how Tak-Chee Chan (USATT# 219484)'s rating went from 1897 to 1904 at the Westchester July 2018 Open held on 28 Jul 2018 - 29 Jul 2018. 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.