This page explains how Jason Jafu Hoford (USATT# 279417)'s rating went from 1554 to 1518 at the ICC - Advanced League event from 22 Jul 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.