This page explains how Jinpeng Xiao (USATT# 85228)'s rating went from 1664 to 1667 at the 2018 Triangle Winter Two-Person Teams Tournament held on 27 Jan 2018 - 28 Jan 2018. 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.