This page explains how Qingyu Zhou (USATT# 274614)'s rating went from 1198 to 1186 at the Austin Table Tennis League event from 8 May 2024. 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.