This page explains how Richard B Larrumbide (USATT# 1165461)'s rating went from 1282 to 1280 at the HITTA Weekly League event from 3 May 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.