John B. Allen
USATT#: 3836
| Coach Level: National
2067 2064
Butterfly Spin &Smash December Open
3 Dec 2022 - 4 Dec 2022
3 Dec 2022 - 4 Dec 2022
This page explains how John B. Allen (USATT# 3836)'s rating went from 2067 to 2064 at the Butterfly Spin &Smash December Open held on 3 Dec 2022 - 4 Dec 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.