William Chan
USATT#: 77422
| Coach Level: Club
822 921
QTTC January Open
- 31 Jan 2010
- 31 Jan 2010
This page explains how William Chan (USATT# 77422)'s rating went from 822 to 921 at the QTTC January Open held on - 31 Jan 2010. 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.