This page explains how Richard A. Dewitt (USATT# 47261)'s rating went from 2194 to 2177 at the MATTBC event from 30 May 2014. 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.