Sean Koster
USATT#: 212045
1527 1493
TT&M Friday Night Butterfly League
22 Jun 2018
22 Jun 2018
This page explains how Sean Koster (USATT# 212045)'s rating went from 1527 to 1493 at the TT&M Friday Night Butterfly League event from 22 Jun 2018. 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.