This page explains how Emilie S. Yin (USATT# 90344)'s rating went from 1971 to 1967 at the ICC - Advanced League event from 22 Sep 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.