This page explains how Doytcho Doytchev (USATT# 92501)'s rating went from 1604 to 1605 at the HI Friday event from 13 Sep 2015. 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.