This page explains how Diann Darnall (USATT# 33603)'s rating went from 1379 to 1374 at the Alaska Open TT Tournament held on - 2 Apr 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.