This page explains how Pla Oulapour (USATT# 76144)'s rating went from 1040 to 1023 at the GTTTC Family/Friends Closed To held on - 31 Jan 2009. 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.