This page explains how Jason Li (USATT# 94536)'s rating went from 1768 to 1681 at the 2017 ITTF North American Hopes held on 29 Apr 2017 - 30 Apr 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.