This page explains how Ethan Keller (USATT# 95531)'s rating went from 1913 to 1921 at the Experior Club League event from 12 May 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.