This page explains how Samuel Hacksoo Lim (USATT# 94295)'s rating went from 1604 to 1571 at the Spttc Saturday Night League event from 7 Dec 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.