This page explains how Shawn Fong (USATT# 85265)'s rating went from 1718 to 1690 at the ICC - Advanced League event from 29 Mar 2015. 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.