This page explains how Leonardo Ortega (USATT# 926413)'s rating went from 1098 to 1044 at the BTTC League event from 31 Jan 2017. 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.