Walter Lam
USATT#: 79912
| Coach Level: State | Certified Referee | National Umpire
1918 1851
US Open
17 Dec 2019 - 21 Dec 2019
17 Dec 2019 - 21 Dec 2019
This page explains how Walter Lam (USATT# 79912)'s rating went from 1918 to 1851 at the US Open held on 17 Dec 2019 - 21 Dec 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.