Bill Draper
USATT#: 215512
1506 1478
MDTTC Tuesday/Friday League
15 Feb 2019
15 Feb 2019
This page explains how Bill Draper (USATT# 215512)'s rating went from 1506 to 1478 at the MDTTC Tuesday/Friday League event from 15 Feb 2019. 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.