Sean Koster
USATT#: 212045
1686 1730
US Nationals
2 Jul 2018 - 7 Jul 2018
2 Jul 2018 - 7 Jul 2018
This page explains how Sean Koster (USATT# 212045)'s rating went from 1686 to 1730 at the US Nationals held on 2 Jul 2018 - 7 Jul 2018. 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.