This page explains how Stu Sinykin (USATT# 3841)'s rating went from 1843 to 1834 at the Minnesota Saturday Open event from 6 Oct 2012. 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.