This page explains how Chen Xu (USATT# 275290)'s rating went from 1204 to 1204 at the Spttc Saturday Night 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.