This page explains how Richard Martin (USATT# 81133)'s rating went from 1980 to 1989 at the Sunflower State Games held on - 24 Jul 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.