This page explains how Huafeng Fan (USATT# 1173928)'s rating went from 1192 to 1221 at the PINGPOD LEAGUE NIGHT event from 17 Jan 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.