This page explains how Ethan Keller (USATT# 95531)'s rating went from 2169 to 2149 at the Experior Club League event from 5 Oct 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.