This page explains how Michael G. Dewynter (USATT# 21312)'s rating went from 1874 to 1907 at the Sacramento October Open held on - 2 Oct 2004. 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.