This page explains how Chiyako Suzuki (USATT# 34178)'s rating went from 1612 to 1609 at the Homenetmen Ararat Chapter Open held on - 29 Apr 2007. 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.