This page explains how Karl Rosenberg (USATT# 81893)'s rating went from 1569 to 1615 at the Arnold TT Championships held on - 7 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.