This page explains how Alexander Geronimo (USATT# 270105)'s rating went from 1595 to 1566 at the HITTA Weekly League event from 21 Nov 2021. 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.