Mark Johnson
USATT#: 26863
1871 1830
ICC - Advanced League
18 May 2009
18 May 2009
This page explains how Mark Johnson (USATT# 26863)'s rating went from 1871 to 1830 at the ICC - Advanced League event from 18 May 2009. 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.