This page explains how Tianyi Zhou (USATT# 95031)'s rating went from 1847 to 1834 at the Central Carolinas Super League event from 1 Nov 2018. 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.