Ralph L. Stadelman
USATT#: 10217
1930 1915
2015 Valley of the Sun
5 Dec 2015 - 6 Dec 2015
5 Dec 2015 - 6 Dec 2015
This page explains how Ralph L. Stadelman (USATT# 10217)'s rating went from 1930 to 1915 at the 2015 Valley of the Sun held on 5 Dec 2015 - 6 Dec 2015. 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.