This page explains how Devaditya Dassarma (USATT# 86001)'s rating went from 1570 to 1550 at the LYTTC May Open held on - 3 May 2015. 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.