John Drissen
USATT#: 71533
1241 1239
Schaumburg November Open
- 10 Nov 2007
- 10 Nov 2007
This page explains how John Drissen (USATT# 71533)'s rating went from 1241 to 1239 at the Schaumburg November Open held on - 10 Nov 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.