William Chan
USATT#: 77422
| Coach Level: Club
1832 1820
Boston TTC
4 Jun 2019
4 Jun 2019
This page explains how William Chan (USATT# 77422)'s rating went from 1832 to 1820 at the Boston TTC event from 4 Jun 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.