This page explains how John Lee Funk (USATT# 55396)'s rating went from 1681 to 1621 at the Central Carolinas Super League event from 31 May 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.