This page explains how Winston Wu (USATT# 222837)'s rating went from 1581 to 1699 at the Pittsburgh Steel City Open 2019 held on 18 May 2019 - 18 May 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.