Doug Wruck
USATT#: 10604
| Certified Umpire
1642 1597
Killerspin Holiday Open
- 30 Dec 2006
- 30 Dec 2006
This page explains how Doug Wruck (USATT# 10604)'s rating went from 1642 to 1597 at the Killerspin Holiday Open held on - 30 Dec 2006. 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.