This page explains how Owen Xiao (USATT# 278221)'s rating went from 960 to 947 at the Spttc Saturday Junior League event from 7 Jun 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.