This page explains how Guido Schnabel (USATT# 73730)'s rating went from 2031 to 2016 at the Atlanta Giant Round Robin held on - 6 Mar 2010. 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.