This page explains how Mridula Anand (USATT# 203037)'s rating went from 1321 to 1320 at the WCTTA Saturday League event from 2 Feb 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.