This page explains how Boliang Meng (USATT# 219976)'s rating went from 1430 to 1427 at the West Central Table Tennis event from 1 Dec 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.