Sean Koster
USATT#: 212045
1823 1831
TT&M Friday Night Butterfly League
17 Feb 2023
17 Feb 2023
This page explains how Sean Koster (USATT# 212045)'s rating went from 1823 to 1831 at the TT&M Friday Night Butterfly League event from 17 Feb 2023. 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.