This page explains how David Trykall (USATT# 73055)'s rating went from 1854 to 1823 at the Indy Giant RR & 2-Man Teams held on - 6 Jun 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.