Sean Koster
USATT#: 212045
1753 1745
2019 Valley of the Sun Open
7 Dec 2019 - 8 Dec 2019
7 Dec 2019 - 8 Dec 2019
This page explains how Sean Koster (USATT# 212045)'s rating went from 1753 to 1745 at the 2019 Valley of the Sun Open held on 7 Dec 2019 - 8 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.