This page explains how Steve Steve De Luca (USATT# 264911)'s rating went from 1335 to 1277 at the Edgeball Chicago International Table Tennis Open held on 26 Oct 2019 - 27 Oct 2019. 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.