Michael Halliday
USATT#: 12560
| Certified Umpire
1719 1677
Spinathon
- 25 May 2008
- 25 May 2008
This page explains how Michael Halliday (USATT# 12560)'s rating went from 1719 to 1677 at the Spinathon held on - 25 May 2008. 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.