Mark Johnson
USATT#: 26863
1675 1650
2018 ICC Butterfly America Open
7 Dec 2018 - 9 Dec 2018
7 Dec 2018 - 9 Dec 2018
This page explains how Mark Johnson (USATT# 26863)'s rating went from 1675 to 1650 at the 2018 ICC Butterfly America Open held on 7 Dec 2018 - 9 Dec 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.