John J.W. Duncan
USATT#: 1857
| Coach Level: Level 1
0 1990
Westfield September Open
- 25 Sep 1994
- 25 Sep 1994
This page explains how John J.W. Duncan (USATT# 1857)'s rating went from n/a to 1990 at the Westfield September Open held on - 25 Sep 1994. 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.