This page explains how Chi Su (USATT# 221180)'s rating went from 1254 to 1254 at the Fremont Table Tennis Academy League event from 21 Oct 2018. 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.