This page explains how Derek Velasquez (USATT# 219831)'s rating went from 1817 to 1810 at the Austin Table Tennis League event from 15 Nov 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.