This page explains how Isha Bajpai (USATT# 96508)'s rating went from 1620 to 1639 at the WCTTA Saturday League event from 6 Jan 2018. 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.