This page explains how Lisa Lee (USATT# 275658)'s rating went from 1251 to 1151 at the Spttc Saturday Night League event from 4 May 2024. 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.