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 ratings processor.
The ratings 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.