Len Winkler
USATT#: 1774
| Coach Level: Regional | Certified Referee | Regional Umpire
1313 1334
1997 Arizona Open
- 23 Feb 1997
- 23 Feb 1997
This page explains how Len Winkler (USATT# 1774)'s rating went from 1313 to 1334 at the 1997 Arizona Open held on - 23 Feb 1997. 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.