This page explains how Simen Potaychuk (USATT# 21163)'s rating went from 1995 to 1993 at the 2013 Best of the West Open held on - 29 Sep 2013. 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.