This page explains how Phil Trout (USATT# 51939)'s rating went from 1788 to 1778 at the 2005 IN State Open Championshi held on - 14 Aug 2005. 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.