This page explains how Xiaolong Zheng (USATT# 197606)'s rating went from 1636 to 1623 at the Austin Table Tennis League event from 4 Nov 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.