This page explains how Svetlana Lepilova (USATT# 216593)'s rating went from 2099 to 2052 at the Spttc Saturday Night League event from 1 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.