This page explains how Kanon Wakabayashi (USATT# 271414)'s rating went from 547 to 543 at the Spttc Saturday Junior League event from 4 Nov 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.