William Chan
USATT#: 77422
| Coach Level: Club
1805 1782
Boston TTC
23 Jul 2019
23 Jul 2019
This page explains how William Chan (USATT# 77422)'s rating went from 1805 to 1782 at the Boston TTC event from 23 Jul 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.