Des Preston
USATT#: 73084
2114 2075
Boston TTC
21 May 2019
21 May 2019
This page explains how Des Preston (USATT# 73084)'s rating went from 2114 to 2075 at the Boston TTC event from 21 May 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.