This page explains how Surya Kalapatapu (USATT# 263733)'s rating went from 170 to 166 at the Fremont Table Tennis Academy League event from 13 Jun 2021. 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.