This page explains how David Trykall (USATT# 73055)'s rating went from 1844 to 1836 at the 2010 Indiana Open held on - 15 Aug 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.