William (Bill) Robbins
USATT#: 32476
| Certified Umpire
1240 1175
Fall Open
11 Nov 2017 - 11 Nov 2017
11 Nov 2017 - 11 Nov 2017
This page explains how William (Bill) Robbins (USATT# 32476)'s rating went from 1240 to 1175 at the Fall Open held on 11 Nov 2017 - 11 Nov 2017. 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.