This page explains how Ethan Liu (USATT# 91756)'s rating went from 652 to 636 at the SVTTC Butterfly Open held on - 25 May 2014. 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.