This page explains how Jianfeng Song (USATT# 194869)'s rating went from 2105 to 2075 at the LYTTC Friday Pro League event from 22 Mar 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.