This page explains how Leonardo Ortega (USATT# 926413)'s rating went from 1471 to 1437 at the BTTC League event from 12 Dec 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.