Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2102 2095
Boston TTC
14 May 2019
14 May 2019
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2102 to 2095 at the Boston TTC event from 14 May 2019. 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.