This page explains how Zhen Jia (USATT# 83670)'s rating went from 2140 to 2139 at the 2015 Triangle Winter Two-Person Team Tournament held on - 25 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.