Len Winkler
USATT#: 1774
| Coach Level: Regional | Certified Referee | Regional Umpire
1492 1490
California State Open
- 27 Jun 1999
- 27 Jun 1999
This page explains how Len Winkler (USATT# 1774)'s rating went from 1492 to 1490 at the California State Open held on - 27 Jun 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.