This page explains how Robert G. Johnson (USATT# 15048)'s rating went from 1374 to 1558 at the Sunburst Tour. 2005 #4 held on - 11 Jun 2005. 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.