This page explains how Tuan-Anh Ngoc Tran (USATT# 52187)'s rating went from 2230 to 2231 at the Austin Table Tennis League event from 22 Jun 2013. 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.