This page explains how Katy Guo (USATT# 1182787)'s rating went from 1422 to 1419 at the IndyPong Monday League event from 27 May 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.