Davina Isenberg
USATT#: 264091
1254 1248
TT&M Friday Night Butterfly League
1 Feb 2019
1 Feb 2019
This page explains how Davina Isenberg (USATT# 264091)'s rating went from 1254 to 1248 at the TT&M Friday Night Butterfly League event from 1 Feb 2019. 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.