This page explains how Panno Dok (USATT# 59781)'s rating went from 2027 to 1991 at the AZ PTTC Monday event from 14 Mar 2011. 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.