Jeff Pratt
USATT#: 81159
| Certified Umpire
678 677
AITTA League Singles
- 2 May 2010
- 2 May 2010
This page explains how Jeff Pratt (USATT# 81159)'s rating went from 678 to 677 at the AITTA League Singles held on - 2 May 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.