This page explains how Alexander Whigham (USATT# 56798)'s rating went from 1486 to 1466 at the HITTA Weekly League event from 1 Oct 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.