This page explains how Todd Sweeris (USATT# 10417)'s rating went from 2578 to 2577 at the 1997 Southern Open held on - 26 Oct 1997. 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.