This page explains how Vishal Vishnoi (USATT# 198991)'s rating went from 1661 to 1659 at the Swan Sunday League event from 25 Aug 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.