This page explains how Ryan Crichton (USATT# 97191)'s rating went from 1545 to 1557 at the LYTTC Friday Pro League event from 15 Jun 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.