Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2114 2094
Westford TTC February 2023 Open
5 Feb 2023 - 5 Feb 2023
5 Feb 2023 - 5 Feb 2023
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2114 to 2094 at the Westford TTC February 2023 Open held on 5 Feb 2023 - 5 Feb 2023. 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.