This page explains how Andrew Nolan (USATT# 93776)'s rating went from 1847 to 1878 at the MDTTC Tuesday/Friday League event from 8 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.