William Chan
USATT#: 77422
| Coach Level: Club
1761 1753
Boston TTC
11 Feb 2020
11 Feb 2020
This page explains how William Chan (USATT# 77422)'s rating went from 1761 to 1753 at the Boston TTC event from 11 Feb 2020. 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.