This page explains how Toma Lee (USATT# 266545)'s rating went from 1231 to 1213 at the Central Carolinas Super League event from 15 Dec 2022. 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.