This page explains how Jieping Lu (USATT# 219620)'s rating went from 819 to 1088 at the South Shore Sports & Butterfly Championships 2018 held on 29 Dec 2018 - 29 Dec 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.