John R. Houser
USATT#: 14686
| Certified Umpire
1239 1234
Butterfly Open on the North Am
- 30 Apr 2000
- 30 Apr 2000
This page explains how John R. Houser (USATT# 14686)'s rating went from 1239 to 1234 at the Butterfly Open on the North Am held on - 30 Apr 2000. 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.