This page explains how Tianyi Zhou (USATT# 95031)'s rating went from 2080 to 2069 at the Central Carolinas Super League event from 5 Dec 2019. 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.