This page explains how Abhinav Gunda (USATT# 89194)'s rating went from 1309 to 1311 at the ICC - Advanced League event from 5 Oct 2014. 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.