Sean Koster
USATT#: 212045
1616 1612
TT&M Friday Night Butterfly League
16 Jun 2017
16 Jun 2017
This page explains how Sean Koster (USATT# 212045)'s rating went from 1616 to 1612 at the TT&M Friday Night Butterfly League event from 16 Jun 2017. 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.