This page explains how Mark J Arnold (USATT# 81189)'s rating went from 1754 to 1756 at the Corpus Christi TT League event from 10 May 2013. 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.