This page explains how Changbo Lu (USATT# 202365)'s rating went from 1550 to 1719 at the 2018 Butterfly Cary Cup Open held on 29 Mar 2018 - 1 Apr 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.