This page explains how Dido Dutta (USATT# 98251)'s rating went from 2200 to 2199 at the 2017 Fremont April Open held on 14 Apr 2017 - 16 Apr 2017. 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.