This page explains how Xiaoyuan Fan (USATT# 271000)'s rating went from 1042 to 1022 at the PINGPOD LEAGUE NIGHT event from 25 Sep 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.