This page explains how Alan Santos (USATT# 33592)'s rating went from 1661 to 1668 at the 2019 Club Championships League Tournament event from 18 Jan 2020. 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.