This page explains how Yi Gu (USATT# 54085)'s rating went from 2046 to 2023 at the LYTTC Friday Pro League event from 5 Jan 2024. 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.