John J.W. Duncan
USATT#: 1857
| Coach Level: Level 1
2207 2191
2013 Brooklyn Borough President Open
- 2 Jun 2013
- 2 Jun 2013
This page explains how John J.W. Duncan (USATT# 1857)'s rating went from 2207 to 2191 at the 2013 Brooklyn Borough President Open held on - 2 Jun 2013. 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.