This page explains how Chia-yeh Li (USATT# 84911)'s rating went from 1656 to 1642 at the Houston Elite League event from 26 Apr 2019. 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.