Des Preston
USATT#: 73084
2109 2122
Boston TTC
18 Dec 2018
18 Dec 2018
This page explains how Des Preston (USATT# 73084)'s rating went from 2109 to 2122 at the Boston TTC event from 18 Dec 2018. 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.