This page explains how Haiyan Cheng (USATT# 71436)'s rating went from 1286 to 1171 at the 9th Annual Bill Mason Memorial Tournament held on - 14 Mar 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.