This page explains how Andres Mendoza (USATT# 34662)'s rating went from 1957 to 1956 at the BTTC League event from 24 Jul 2018. 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.