William W.H. Cheung
USATT#: 1728
| International Umpire
1685 1681
Seattle Open
- 4 May 1997
- 4 May 1997
This page explains how William W.H. Cheung (USATT# 1728)'s rating went from 1685 to 1681 at the Seattle Open held on - 4 May 1997. 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.