This page explains how Travis Qiu (USATT# 278213)'s rating went from 665 to 645 at the Spttc Saturday Junior League event from 2 Mar 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.