Sean Koster
USATT#: 212045
1708 1691
TT&M Friday Night Butterfly League
16 Jul 2021
16 Jul 2021
This page explains how Sean Koster (USATT# 212045)'s rating went from 1708 to 1691 at the TT&M Friday Night Butterfly League event from 16 Jul 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.