John P. Pratt
USATT#: 9196
1514 1487
2002 US National Championships
- 22 Dec 2002
- 22 Dec 2002
This page explains how John P. Pratt (USATT# 9196)'s rating went from 1514 to 1487 at the 2002 US National Championships held on - 22 Dec 2002. 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.