This page explains how Tristan Boch (USATT# 197944)'s rating went from 1900 to 1854 at the Austin Table Tennis League event from 28 Aug 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.