Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2130 2130
Boston TTC
14 Aug 2018
14 Aug 2018
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2130 to 2130 at the Boston TTC event from 14 Aug 2018. 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.