Des Preston
USATT#: 73084
2122 2087
Boston TTC
1 Jan 2019
1 Jan 2019
This page explains how Des Preston (USATT# 73084)'s rating went from 2122 to 2087 at the Boston TTC event from 1 Jan 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.