Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2145 2162
Boston TTC
10 Mar 2020
10 Mar 2020
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2145 to 2162 at the Boston TTC event from 10 Mar 2020. 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.