This page explains how Martin Lessa (USATT# 266548)'s rating went from 1650 to 1638 at the Central Carolinas Super League event from 6 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.