Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2130 2096
Boston TTC
16 Feb 2016
16 Feb 2016
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2130 to 2096 at the Boston TTC event from 16 Feb 2016. 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.