This page explains how Neil Grey (USATT# 6269)'s rating went from 883 to 904 at the Mid-Florida Tour - Lakeland September Classic Open 2013 held on - 21 Sep 2013. 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.