This page explains how Chip Salmon (USATT# 1050)'s rating went from 1404 to 1393 at the P&W Aircraft TTC - May 2013 Open held on - 19 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.