This page explains how Leonardo Ortega (USATT# 926413)'s rating went from 1426 to 1420 at the BTTC League event from 3 Oct 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.