Mark Johnson
USATT#: 26863
1409 1416
Swan Sunday League
17 Mar 2019
17 Mar 2019
This page explains how Mark Johnson (USATT# 26863)'s rating went from 1409 to 1416 at the Swan Sunday League event from 17 Mar 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.