Carl M Duvall
USATT#: 265134
| Certified Umpire
1159 1154
Butterfly Spin &Smash December Open
3 Dec 2021 - 5 Dec 2021
3 Dec 2021 - 5 Dec 2021
This page explains how Carl M Duvall (USATT# 265134)'s rating went from 1159 to 1154 at the Butterfly Spin &Smash December Open held on 3 Dec 2021 - 5 Dec 2021. 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.