This page explains how Ling Fan (USATT# 73523)'s rating went from 2008 to 1897 at the Central Carolinas Super League event from 27 Feb 2020. 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.