Sean Koster
USATT#: 212045
1703 1683
TT&M Friday Night Butterfly League
23 Dec 2022
23 Dec 2022
This page explains how Sean Koster (USATT# 212045)'s rating went from 1703 to 1683 at the TT&M Friday Night Butterfly League event from 23 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.