Sean Koster
USATT#: 212045
1689 1700
TT&M Friday Night Butterfly League
23 Oct 2020
23 Oct 2020
This page explains how Sean Koster (USATT# 212045)'s rating went from 1689 to 1700 at the TT&M Friday Night Butterfly League event from 23 Oct 2020. 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.