This page explains how Garo Yepremian (USATT# 89418)'s rating went from 1290 to 1283 at the LATTF event from 21 Apr 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.