This page explains how Justin Chang (USATT# 1174326)'s rating went from 310 to 517 at the ASLT April 2023 Tournament held on 31 Mar 2023 - 2 Apr 2023. 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.