Sean Koster
USATT#: 212045
1840 1838
2022 Valley of the Sun Open
3 Dec 2022 - 4 Dec 2022
3 Dec 2022 - 4 Dec 2022
This page explains how Sean Koster (USATT# 212045)'s rating went from 1840 to 1838 at the 2022 Valley of the Sun Open held on 3 Dec 2022 - 4 Dec 2022. 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.