Carlos Zeller
USATT#: 65087
| Certified Umpire
1735 1681
BCC Butterfly Jan Open
- 9 Jan 1999
- 9 Jan 1999
This page explains how Carlos Zeller (USATT# 65087)'s rating went from 1735 to 1681 at the BCC Butterfly Jan Open held on - 9 Jan 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.