This page explains how Caleb Liu (USATT# 272715)'s rating went from 508 to 466 at the ICC - Sunday Beginners League event from 10 Apr 2022. 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.