This page explains how Carson Xiao (USATT# 278225)'s rating went from 1339 to 1340 at the Spttc Saturday Junior League event from 3 Jun 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.