David J. Roddick
USATT#: 70987
622 592
2022 Butterfly November Tournament
6 Nov 2022 - 6 Nov 2022
6 Nov 2022 - 6 Nov 2022
This page explains how David J. Roddick (USATT# 70987)'s rating went from 622 to 592 at the 2022 Butterfly November Tournament held on 6 Nov 2022 - 6 Nov 2022. 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.