This page explains how Eugene Zhang (USATT# 215719)'s rating went from 1089 to 1096 at the Butterfly MDTTC August Open held on 26 Aug 2017 - 26 Aug 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.