This page explains how Joshua Dinu Joseph (USATT# 1157745)'s rating went from n/a to 661 at the HITTA Weekly League event from 6 Jun 2021. The links below take you to pages that describe various aspects of the rating processor.

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.