This page explains how Yang Hua (USATT# 91872)'s rating went from 370 to 893 at the 31st Taiwanese and Chinese American Athletic held on - 20 Jun 2015. 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.