This page explains how Oishik Mukherjee (USATT# 216430)'s rating went from 1620 to 1610 at the Westchester March 2019 Open held on 30 Mar 2019 - 31 Mar 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.