This page explains how Chao Ouyang (USATT# 1173527)'s rating went from 1395 to 1387 at the 2022 US National TT Championships North Carolina State Qualifier held on 2 Apr 2022 - 3 Apr 2022. 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.