Percy Johnson
USATT#: 220565
1377 1398
SpinBlock Spring Open 2019
20 Apr 2019 - 20 Apr 2019
20 Apr 2019 - 20 Apr 2019
This page explains how Percy Johnson (USATT# 220565)'s rating went from 1377 to 1398 at the SpinBlock Spring Open 2019 held on 20 Apr 2019 - 20 Apr 2019. 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.