This page explains how Barbara Clark (USATT# 89272)'s rating went from 1046 to 1045 at the 2014 Spin Magicians Open held on - 30 Aug 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.