This page explains how Ryan Wing H H Yam (USATT# 76360)'s rating went from 894 to 884 at the Sacramento Fall Open held on - 7 Nov 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.