This page explains how Jim Keep (USATT# 7519)'s rating went from 1839 to 1843 at the 76th Annual Michigan Closed TT Championships held on - 18 Apr 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.