This page explains how Isha Bajpai (USATT# 96508)'s rating went from 281 to 280 at the WCTTA Saturday League event from 10 Sep 2016. 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.