Len Winkler
USATT#: 1774
| Coach Level: Regional | Certified Referee | Regional Umpire
1477 1467
Arizona Open
- 21 Mar 1999
- 21 Mar 1999
This page explains how Len Winkler (USATT# 1774)'s rating went from 1477 to 1467 at the Arizona Open held on - 21 Mar 1999. 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.