This page explains how Shishir Mahajan (USATT# 197089)'s rating went from 1530 to 1517 at the NASHUA TABLE TENNIS CLUB event from 14 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.