This page explains how Manohar Karthikeyan (USATT# 94381)'s rating went from 2249 to 2251 at the Sky High Winter Open held on - 8 Feb 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.