This page explains how Viorel Onofrei (USATT# 85933)'s rating went from 1570 to 1520 at the Fremont Table Tennis Academy League event from 22 Apr 2018. 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.