Mark Johnson
USATT#: 26863
1733 1722
ICC Butterfly Winter Open
24 Feb 2019 - 24 Feb 2019
24 Feb 2019 - 24 Feb 2019
This page explains how Mark Johnson (USATT# 26863)'s rating went from 1733 to 1722 at the ICC Butterfly Winter Open held on 24 Feb 2019 - 24 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.