Des Preston
USATT#: 73084
2136 2109
Boston TTC
7 Mar 2017
7 Mar 2017
This page explains how Des Preston (USATT# 73084)'s rating went from 2136 to 2109 at the Boston TTC event from 7 Mar 2017. 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.