Sean Koster
USATT#: 212045
1720 1739
TT&M Friday Night Butterfly League
22 Oct 2021
22 Oct 2021
This page explains how Sean Koster (USATT# 212045)'s rating went from 1720 to 1739 at the TT&M Friday Night Butterfly League event from 22 Oct 2021. 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.