John P. Pratt
USATT#: 9196
1540 1529
U.S. Open Championships
- 7 Jul 2007
- 7 Jul 2007
This page explains how John P. Pratt (USATT# 9196)'s rating went from 1540 to 1529 at the U.S. Open Championships held on - 7 Jul 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.