This page explains how Darren So (USATT# 1173251)'s rating went from 225 to 215 at the Fremont Table Tennis Academy League event from 26 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.