Len Winkler
USATT#: 1774
| Coach Level: Regional | Certified Referee | Regional Umpire
1467 1501
1998 Arizona Open
- 22 Feb 1998
- 22 Feb 1998
This page explains how Len Winkler (USATT# 1774)'s rating went from 1467 to 1501 at the 1998 Arizona Open held on - 22 Feb 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.