This page explains how Jonathan Bai (USATT# 1183527)'s rating went from 618 to 616 at the Spttc Saturday Junior League event from 21 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.