Des Preston
USATT#: 73084
2163 2170
Boston TTC
19 Nov 2019
19 Nov 2019
This page explains how Des Preston (USATT# 73084)'s rating went from 2163 to 2170 at the Boston TTC event from 19 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.