This page explains how Brandon Koh (USATT# 85572)'s rating went from 2036 to 2020 at the 2016 Butterfly Cary Cup Championship held on 31 Mar 2016 - 3 Apr 2016. 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.