This page explains how Darryl Tsao (USATT# 98262)'s rating went from 2205 to 2189 at the Swan Sunday League event from 23 Jun 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.