This page explains how John F. Mcfadden (USATT# 29798)'s rating went from 1441 to 1431 at the 20th FIT Open held on - 16 Mar 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.