This page explains how Sixing Zheng (USATT# 201725)'s rating went from 1999 to 1956 at the IndyPong Monday League event from 8 May 2023. 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.