This page explains how Ai Hong Deng (USATT# 26418)'s rating went from 1401 to 1501 at the Boston TTC event from 6 Jan 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.