This page explains how Ziqian Gao (USATT# 275492)'s rating went from 677 to 688 at the Spttc Saturday Junior League event from 15 Apr 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.