This page explains how John James Alto (USATT# 30755)'s rating went from 2419 to 2407 at the 2024 US World Championship Team Trials held on 12 Jan 2024 - 14 Jan 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.