This page explains how Michael Shieh (USATT# 17295)'s rating went from 1923 to 1943 at the San Francisco Bay Area CLC event from 30 Oct 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.