John P. Pratt
USATT#: 9196
1497 1480
Huntsman World Senior Games
- 13 Oct 2000
- 13 Oct 2000
This page explains how John P. Pratt (USATT# 9196)'s rating went from 1497 to 1480 at the Huntsman World Senior Games held on - 13 Oct 2000. 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.