This page explains how George Pirumyan (USATT# 223924)'s rating went from 1478 to 1434 at the West Central Table Tennis event from 3 Nov 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.