Sean Koster
USATT#: 212045
1810 1815
TT&M Friday Night Butterfly League
21 Oct 2022
21 Oct 2022
This page explains how Sean Koster (USATT# 212045)'s rating went from 1810 to 1815 at the TT&M Friday Night Butterfly League event from 21 Oct 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.