Sean Koster
USATT#: 212045
1712 1720
TT&M Friday Night Butterfly League
15 Oct 2021
15 Oct 2021
This page explains how Sean Koster (USATT# 212045)'s rating went from 1712 to 1720 at the TT&M Friday Night Butterfly League event from 15 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.