This page explains how Jeff Pratt (USATT# 81159)'s rating went from 1303 to 1303 at the AITTA League Singles held on - 1 Jun 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.