This page explains how Doytcho Doytchev (USATT# 92501)'s rating went from 1216 to 1371 at the HI Friday event from 31 May 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.