This page explains how Andrew Ji (USATT# 95857)'s rating went from 1990 to 1978 at the 2023 Georgia Games Championships held on 15 Jul 2023 - 16 Jul 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.