Angela Guan
USATT#: 77760
| Certified Umpire
1509 1478
Intermediate League
12 May 2011
12 May 2011
This page explains how Angela Guan (USATT# 77760)'s rating went from 1509 to 1478 at the Intermediate League event from 12 May 2011. 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.