This page explains how Ming-Chun Paul Lee (USATT# 264526)'s rating went from 1527 to 1519 at the Spttc Saturday Night League event from 21 Sep 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.