This page explains how Stan Smith (USATT# 19864)'s rating went from 1246 to 1240 at the 2019 Luke White Memorial Winter Singles League event from 4 Feb 2020. 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.