Mark Johnson
USATT#: 26863
1842 1838
Berkeley Open on the JOOLA NA
- 6 Sep 2009
- 6 Sep 2009
This page explains how Mark Johnson (USATT# 26863)'s rating went from 1842 to 1838 at the Berkeley Open on the JOOLA NA held on - 6 Sep 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.