This page explains how Dave Skrzypek (USATT# 10073)'s rating went from 1985 to 1978 at the DAC May Open held on - 22 May 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.