This page explains how Kouen Wakabayashi (USATT# 271264)'s rating went from 673 to 650 at the Spttc Saturday Junior League event from 11 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.