This page explains how Martin Lessa (USATT# 266548)'s rating went from 1652 to 1627 at the Central Carolinas Super League event from 23 Jan 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.