Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2052 2046
Boston TTC
21 Oct 2014
21 Oct 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2052 to 2046 at the Boston TTC event from 21 Oct 2014. 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.