John B. Allen
USATT#: 3836
| Coach Level: National
2026 2019
Kentuckiana League
20 May 2009
20 May 2009
This page explains how John B. Allen (USATT# 3836)'s rating went from 2026 to 2019 at the Kentuckiana League event from 20 May 2009. 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.