This page explains how Ming-Chun Paul Lee (USATT# 264526)'s rating went from 1537 to 1527 at the Spttc Saturday Night League event from 7 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.