Sean Koster
USATT#: 212045
1596 1589
TT&M Friday Night Butterfly League
15 Feb 2019
15 Feb 2019
This page explains how Sean Koster (USATT# 212045)'s rating went from 1596 to 1589 at the TT&M Friday Night Butterfly League event from 15 Feb 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.