Stephen MacDonald
USATT#: 1164507
1509 1494
US Open
17 Dec 2019 - 21 Dec 2019
17 Dec 2019 - 21 Dec 2019
This page explains how Stephen MacDonald (USATT# 1164507)'s rating went from 1509 to 1494 at the US Open held on 17 Dec 2019 - 21 Dec 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.