William D. Goodfellow
USATT#: 90074
1329 1356
Champaign Butterfly Open Summer Giant Round Robin
- 20 Jul 2013
- 20 Jul 2013
This page explains how William D. Goodfellow (USATT# 90074)'s rating went from 1329 to 1356 at the Champaign Butterfly Open Summer Giant Round Robin held on - 20 Jul 2013. 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.