Des Preston
USATT#: 73084
2091 2090
Westford TTC December Open
5 Dec 2021 - 5 Dec 2021
5 Dec 2021 - 5 Dec 2021
This page explains how Des Preston (USATT# 73084)'s rating went from 2091 to 2090 at the Westford TTC December Open held on 5 Dec 2021 - 5 Dec 2021. 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.