This page explains how Haiyan Cheng (USATT# 71436)'s rating went from 978 to 1011 at the Paddle Palace Club Spring Open held on 6 May 2017 - 7 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.