Mark Johnson
USATT#: 26863
1921 1958
Western Open
- 18 Feb 2007
- 18 Feb 2007
This page explains how Mark Johnson (USATT# 26863)'s rating went from 1921 to 1958 at the Western Open held on - 18 Feb 2007. 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.