This page explains how Sichan Kanyavong (USATT# 76385)'s rating went from 645 to 718 at the Sacramento Spring Open held on - 18 Apr 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.