This page explains how Brian Shen (USATT# 221433)'s rating went from 1573 to 1570 at the PINGPOD LEAGUE NIGHT event from 20 Dec 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.