This page explains how Doytcho Doytchev (USATT# 92501)'s rating went from 1926 to 1902 at the LYTTC Friday Pro League event from 10 Feb 2017. 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.