This page explains how Darryl Tsao (USATT# 98262)'s rating went from 1665 to 1652 at the ICC - Advanced League event from 2 Sep 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.