Des Preston
USATT#: 73084
2155 2163
Boston TTC
12 Nov 2019
12 Nov 2019
This page explains how Des Preston (USATT# 73084)'s rating went from 2155 to 2163 at the Boston TTC event from 12 Nov 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.