This page explains how Andres Mendoza (USATT# 34662)'s rating went from 1969 to 1971 at the SATTA League event from 26 Jul 2019. 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.