Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2112 2127
Boston TTC
30 May 2017
30 May 2017
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2112 to 2127 at the Boston TTC event from 30 May 2017. 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.