This page explains how Ronald Yu (USATT# 32315)'s rating went from 1981 to 2017 at the Silicon Valley Championships held on 1 Apr 2022 - 3 Apr 2022. 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.