William D. Goodfellow
USATT#: 90074
1320 1320
2015 South Shore Butterfly Open
- 25 Oct 2015
- 25 Oct 2015
This page explains how William D. Goodfellow (USATT# 90074)'s rating went from 1320 to 1320 at the 2015 South Shore Butterfly Open held on - 25 Oct 2015. 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.