William Chan
USATT#: 77422
| Coach Level: Club
1856 1841
Boston TTC
7 May 2019
7 May 2019
This page explains how William Chan (USATT# 77422)'s rating went from 1856 to 1841 at the Boston TTC event from 7 May 2019. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.