Doug Wruck
USATT#: 10604
| Certified Umpire
1160 1157
1998 Midwest & Illinois Closed
- 21 Nov 1998
- 21 Nov 1998
This page explains how Doug Wruck (USATT# 10604)'s rating went from 1160 to 1157 at the 1998 Midwest & Illinois Closed held on - 21 Nov 1998. 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.