This page explains how Xiaolong Zheng (USATT# 197606)'s rating went from 1209 to 1224 at the Austin Table Tennis League event from 14 Jul 2015. 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.